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It is true that a good many people never have an opportunity to study the conditions present in the ocean or to observe the animals found in its waters and on its beaches. However, with the improved transportation and awakened interest in the subject, there are more and more students of this fascinating subject. Many o... | {
"Header 1": "MARINE ZOOLOGY",
"token_count": 2055,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
} |
The methods of studying the conditions of the ocean are largely by survey methods, use of light disks, pressure gauges, electric thermocouple temperature recorders, hydrogen ion analysis apparatus, oxygen tension analyses, and chemical analysis for salinity. Samples of sea water can be obtained from various depths by... | {
"Header 1": "MARINE ZOOLOGY",
"token_count": 637,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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#### TYPICAL PACIFIC SHORE ANIMALS
| NAME | HABITAT ZONE |
|-----... | {
"Header 1": "MARINE ZOOLOGY",
"token_count": 1630,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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| NAME | habitat<br>zone |
|-----------------------------------------------------------------|-------------------------------------------|
| Ophvwroidea | ... | {
"Header 1": "Typical Pacific Shore Animals—Cont'd",
"token_count": 2703,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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not definitely determined) Physalia pelagica, Portuguese-man-of-war Porpita linnaeana, (sp. identification not ... | {
"Header 1": "Typical Pacific Shore Animals—Cont'd",
"token_count": 789,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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#### NAME HABITAT ZONE Euphole grubei Lumhrinereis sp. (possibly young fiori dana), red sandworm Capitellides teres Paraxiothea (Olymenella) torguata Polydora ciliata, burrowing worm Mollusca Gastrofoda Tethys protea, sea hare FleurophyUidm, nudibranch Crepidula plana, flat slipper shell Crepidula fo-rnicata, arched sl... | {
"Header 1": "Typical Animals From the Gulf of Mexico—Texas Coast—Cont'd",
"token_count": 1964,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
} |
(Has not been identified) Elasmobranchii Galeocerdo arciicnis, tiger shark Carcharias platyodon, cub shark Eeniceps (Sphyrna) tihuro, bonnethead or shovelhead shark Sphyrna tudes, hammerhead shark Alopias vulpes, thresher shark Carcha/rodon carchaHas, man-eater shark Dasyatis sabina, stingaree Dasyatis americana, south... | {
"Header 1": "Typical Animals From the Gulf of Mexico—Texas Coast—Cont'd",
"token_count": 424,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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#### NAME HABITAT ZONE Ogcocephalus radiatus, short-nosed batfisli Chilomycfterus schoepfi, spiny boxfish Trichiurus leptwrus, cutlass fish Synodus foetens, lizard fish Ancylopsetta quadrocellata, oceEated fluke Symphurus plagiusa, tongue fish Chaetodipterus faber, spadefish Spheroides marmoratus, southern swellfish La... | {
"Header 1": "Typical Animals From the Gulf op Mexico—Texas Coast—Cont'd",
"token_count": 2023,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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The deer family, including some of the most magnificent animals in the world—caribou, moose, elk, mule deer, black-tailed deer, and the Virginia deer—has fortunately, with few exceptions, proved to be
tough and tenacious. Caribou may still be observed in large numbers in the ]\Iount McKinley region and in other sui... | {
"Header 1": "Typical Animals From the Gulf op Mexico—Texas Coast—Cont'd",
"token_count": 1472,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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As indicated in the foregoing paragraphs, the natural range of many game animals of great potential value was formerly much more extensive than it is at present. The buffalo which ranged so widely over the continent is now virtually extinct in <sup>a</sup> wild state. The pronghorned antelope, considered by Seton to ha... | {
"Header 1": "Typical Animals From the Gulf op Mexico—Texas Coast—Cont'd",
"Header 2": "The Natural Range of \"Wild Animals",
"token_count": 1116,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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The story of the development of America is full of meaning as it bears on our natural resources. Man's inventive genius, coupled with his occupation of the land, has ''modified the earth," to use Marsh's expressive statement, and has helped, in all too many instances, to make his surroundings less favorable for his own... | {
"Header 1": "Typical Animals From the Gulf op Mexico—Texas Coast—Cont'd",
"Header 2": "The Coming of Civilization and a Declaration of Indefensibles",
"token_count": 2031,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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Earlier ideals of ultra clean farming might well be replaced by a better balanced program according to the best information available at present.
- 6. Know your wildlife. Count your quail, turkeys, and deer, and so regulate the take that the seed stock will not be drawn upon. If you are a landowner, join with your ne... | {
"Header 1": "Typical Animals From the Gulf op Mexico—Texas Coast—Cont'd",
"Header 2": "The Coming of Civilization and a Declaration of Indefensibles",
"token_count": 563,
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(By a. Richards, University of Oklahoma)
Embryological knowledge has been a common property of mankind since before the period of recorded history, and Aristotle embodied with surprising accuracy in his extensive treatises on animal life a great many facts in regard to the development of animals. Because of the natur... | {
"Header 1": "COMPARATIVE EMBRYOLOGY",
"token_count": 2016,
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In each of these subdivisions the cleavage patterns take different forms, and therefore allow us to recognize six distinct modes by which the separation of egg substances into definite areas is accomplished; thus the different plans of embryonic organization are established. These six types are radial, disynmietrical, ... | {
"Header 1": "COMPARATIVE EMBRYOLOGY",
"token_count": 2039,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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Coeloblastulae, that is, blastulae containing cleavage cavities, may be either equal or unequal, depending upon the amount of yolk present. If the size of the cavity is greatly reduced, we approach the second type, the stereohlastula, which is a solid embryo, but here again the dimensions of the cells may be uniform or... | {
"Header 1": "COMPARATIVE EMBRYOLOGY",
"token_count": 2023,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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In mammals the reproduction is entirely sexual and in all of the higher forms the development is intrauterine (within the uterus). With the exception of those of the lowest group, Prototheria, the eggs of mammals bear only a meager amount of yolk.
The ovaries are small, ovoid, paired organs which are attached one on ... | {
"Header 1": "MAMMALIAN DEVELOPMENT",
"token_count": 2050,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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#### Organs and Systems
After the three germ layers (ectoderm, endoderm, and mesoderm) have been established in the embryo, the next step is differentiation of these layers each in various ways for the formation of particular organs and systems of organs. The fate of the germ layers has been concisely summarized in... | {
"Header 1": "MAMMALIAN DEVELOPMENT",
"token_count": 1227,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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"Like father like son" is an ancient adage. Since man has been able to think, he has pondered the problem of heredity. Although very early he had observed evidence of the inheriting of parental characters by offspring of the various forms of life with which he was familiar and was convinced by these observations that h... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "The History of a Great Discovery",
"token_count": 853,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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From the fundamental law which Mendel discovered, several corollaries can be drawn, based on factors responsible for the distributional behavior of inheritable characters. These corollaries are
Principle of Dominance.—The determiner for one member of <sup>a</sup> pair of contrasting characters (pairs of contrasting c... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "Derivatives of Mendel's Law",
"token_count": 570,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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With the simple facts in mind of how heredity works, it is desirable to consider the germinal background of the laws governing it.
The tiny sperm cells of both plants and animals and the egg cells which, deprived of their food-containing yolk, are about equally small, contain within them something that determines all... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "The Physical Basis",
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In the F<sub>1</sub> generation, these cases seem to produce perfect examples of blending inheritance, but the F<sub>2</sub> generation exemplifies the 1:2:1 ratio so beautifully that these exceptional cases are often used to explain Mendel's law to beginning students.
The Andalusian breed of chickens includes both b... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "The Physical Basis",
"token_count": 787,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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Since there are other genes than those concerned with sex on the X-chromosome, it is to be expected that their inheritance will differ somewhat in the two sexes. This is strikingly illustrated by certain abnormalities of man in cases where the abnormal condition is inherited as a recessive; for example, color blindness... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "Sex Linkage",
"token_count": 2047,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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Lethal when homozy- | Abnormality dominant | | |
#### DATA ON HUMAN HEREDITY-CONT'D
| TRAIT | HOW INHERITED | DOMINANCE ... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "Sex Linkage",
"token_count": 2038,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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Since the families from which college students come can reasonably be taken as a eugenic group, several studies have been made of the sizes of the families represented on the campuses of various American colleges and universities. The writer kept a record for a ten-year period of the sizes of the families represented... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "Sex Linkage",
"token_count": 956,
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It must be admitted that the present racial situation has been brought about through the advance of humanitarianism and science. The cure for the situation must come through the application of greater humanitarian and scientific measures. The many corrective panaceas that have been suggested must be tested carefully an... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "What Can Be Done?",
"token_count": 2040,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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The nervous system and sense organs constitute merely a more delicate, complex, and effective mechanism for the reception of the stimuli to which even the undifferentiated protoplasm of Amoeba responds.
Such stimuli may be classed as chemical, clectrical, thermal (heat), mechanical, or photic (light). The reactions o... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "What Can Be Done?",
"token_count": 2037,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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Ahnost every modern student of psychology or physiology knows of Pavlov's experiment with the dog whose mouth watered when a bell was rung as a signal of feeding time. This Pavlov called a conditioned reflex. It has been produced experimentally in a great many kinds of animals. Conditioned reflexes years ago were calle... | {
"Header 1": "GENETICS AND EUGENICS",
"Header 2": "What Can Be Done?",
"token_count": 477,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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(By W. M. Winton, Texas Christian University)
Paleontology deals with fossils. One of the most difficult biological concepts to define satisfactorily is the term fossil. Broadly speaking, the word should refer to records left by organisms and not by nonvital forces. Expressions such as "fossil ripple marks," "fossil ... | {
"Header 1": "PALEONTOLOGY",
"token_count": 2034,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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The second methodf is based on the fact that many marine or ganisms suddenly disappear from the seas which they have long occupied. This extinction is caused by a change in food supply, a change in temperature or other factor, or by the appearance of new enemies. A rapid extinction of <sup>a</sup> species, in terms o... | {
"Header 1": "PALEONTOLOGY",
"token_count": 1853,
"source_pdf": "datasets/websources/biochem/textbookofzoolog00pott.pdf"
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It is likely that no student of modern biology has gone far before he has realized something of a progressive relationship between the various groups of animals in the animal kingdom. Phylogeny refers to the background of what has gone before in producing a race or phylum and incorporates the thought that different spe... | {
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"token_count": 1533,
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The establishment of relationships between the chordate and nonchordate animals has been one of the perplexing problems in the study of phylogeny. Different students of this problem have in vestigated the possible relationships of such nonehordate groups as the flatworms, nemertine worms, annelids, arachnids, insects, ... | {
"Header 1": "PHYLOGENETIC RELATIONS OF ANIMAL GROUPS AND THE THEORY OF EVOLUTION",
"Header 2": "Ancestry of the Vertebrates",
"token_count": 2023,
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Following this, when one side infolds to form a gastrula with two germ layers, the embryo is almost identical to the diploblastic coelenterates as represented by Hydra. Following this, the third germ layer forms between the others and results in the triploblastic metazoan.
#### Basis for the Theory of Evolution
One... | {
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"Header 2": "Ancestry of the Vertebrates",
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The adaptation has proceeded along two lines. The limbs have become elongated by the elevation of the heel, thus putting the animal on tiptoe ajid fitting it for rapid flight from its enemies on the grass-covered open prairie. At the same time the neck and head became elongated to enable the animal to graze the ground ... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2026,
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A, primitive scheme; B, lungfish; C, primitive amphiblan (urodele); D, frog; E, snake; F, lizard; G, bird; H, mammal; ec, te, external and internal carotids; va, ventral aorta; da, dorsal aorta; db, ductus Botalli; p, pulmonary artery; s, subclavian; c, coeliac. Vessels carrying venous blood are black; those with mixed... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2032,
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Survival of the Fittest was the outcome which Darwin saw result ing from such a struggle. Those individuals which were best adapted to the environment into which they were born have been the ones to win out in the struggle and leave offspring for a future generation. The inheritance of favorable or unfavorable charac... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2029,
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Reese, Albert M.: Economic Zoology, Philadelphia, 1924, P. Blakiston's Son and Co.
Shull, A. F.: Principles of Animal Biology, New York, 1934, McGraw-Hill Book Co.
Storer, Tracy I.: General Zoology, New York, 1943, McGraw-Hill Book Co. Van Cleave, H. J.: Invertebrate Zoology, New York, 1931, McGraw-Hill Book Co. ... | {
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"Header 2": "Ancestry of the Vertebrates",
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—: The Biology of Insects, New York, 1928, The Macmillan Co.
Comstock, J. H.: Introduction to Entomology, Ithaca, N. Y., 1933, Comstock Pub. Co.
—, and Comstock, A. B.: How to Know Butterflies, Ithaca, N. Y., 1920, Comstock Pub. Co.
--, and --: A Manual for the Study of Insects, Ithaca, N. Y., 1930, Comstock Pu... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2039,
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#### Reptiles, Birds, and Mammals
Adams, Charles C.: The Conservation of Predatory Mammals, J. Mammalogy 6: No. 2, May, 1925.
Agassiz, Louis: Turtles, Contrib. to Nat. Hist. of U. S., No. 1, 1857.
Anthony, H. E.: Field Book of North American Mammals, New York, 1928, G. P. Putnam's Sons.
Apgar, A. C.: Birds of... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2043,
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P.: Life History of the Kangaroo Rat, U. S. Dept. Agric. Bull. No. 1091 (1922).
Warren, E. R.: The Mammals of Colorado, New York, 1910, G. P. Putnam's Sons.
The Beaver: Its Work and Its Ways, Baltimore, 1926, Williams and Wilkins Co.
Wetmore, Alexander: The Migration of Birds, Cambridge, Mass., 1926, Harvard Univ... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2051,
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A., and Christensen, R. B.: Guide to the Study of Animal Parasites,
- New York, 1930, McGraw-Hill Book Co. y, A. E.: Nemathelminthes, Vol. II. Shipley, A. E.: Cambridge Nat. Hist., London, 1922.
- Stunkard, H. W.: Parasitism: A Biological Phenomenon, Scientific Monthly, 1929, pp. 349-362.
#### Marine Zoology
- Arno... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2028,
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2: --: 45-50, 1904.
- The Behavior of Corymorpha, Univ. California Publ. Zool. 2: 333-340, -: 1905.
- The California Shore Anemone, Bunodactis xanthogrammica, Univ. Cali--: fornia Publ. Zool. 3: 41-45, 1906.
- Biological Studies on Corymorpha. II. The Development of C. palma from the Egg, Univ. California Publ. Zool. 3... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2036,
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-: Studies in Evolution and Eugenics, New York, 1923, Harcourt, Brace & Co.
The Size of College Families, J. Hered. 15: 407-415, 1924. --:
Human Genetics and Its Social Import, New York, 1933, Harcourt, Brace & Co.
Hunt, H. R.: Some Biological Aspects of War, New York, 1930, Galton Publ. Co. Huntington, E.: Tom... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 2030,
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Shimer, Hervey W.: Introduction to a Study of Fossils, New York, 1933, The Macmillan Co.
#### Phylogeny
Darwin, Charles: Origin of Species, ed. 6, London, 1880.
-: Variation in Animals and Plants Under Domestication, London, 1868.
The Descent of Man, London, 1871.
Dendy, Arthur: Outlines of Evolutionary Bio... | {
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"Header 2": "Ancestry of the Vertebrates",
"token_count": 523,
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Abdomen (ab do'men), the portion of the trunk posterior to the thorax of an animal.
Aboral (abo'ral), opposite the mouth.
Absorption (ab sorp'shun), the process of taking in soluble foods by the circula tory medium or by the protoplasm directly.
Accommodation (akom <sup>6</sup> da'shiin), the power of adjustment ... | {
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Chemotropism (kē mŏt'rō pĭz'm), response of an organism to chemical changes. Chlorophyll (klo'ro fil), the green coloring matter in plants and a few animals which is active in photosynthesis.
Chromosomes (kromosomz), bodies formed in the nucleus during mitosis which constitute the physical basis of inheritance.
C... | {
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(See Endosarc.)
Endopodite (en dop'6 dit), the internal or principal branch of a biramous ap pendage of Crustacea.
Endosarc (en'do sark), the area of c^-toplasm within a cell which is surrounded by ectoplasm; substance of this is endoplasm.
Endoskeleton (en do skel'e tiin), the bony, cartilaginous, or other inter... | {
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Homologous (hô mỏl'ō gus), similar in structure and origin, but different in function.
Homonomous (hō mŏn'ō mŭs), slight or no differentiation of body segments. Homozygote (hō mô zī'gōt), a zygote or resulting organism in which the cor-
responding genes are alike.
Hormone (hôr'mōn), the essential substance of a... | {
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Mesoderm (měs'ô dûrm), the middle germ layer and its later derivatives.
Mesoglea (měs ô glē'a), a jellylike substance found in Coelenterata between the ectoderm and endoderm.
Mesonephros (měs ô něf'ros), the vertebrate kidney of forms from lamprey to amphibians inclusive.
Mesorchium (mě sôr'kĭ ŭm), the mesenter... | {
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Parasite (par'asit), an organism that lives on or within and at the expense of another organism.
Parenchyma (pa reng'ki ma) . (See Mesenchj-me.)
Parietal (pari'etal), pertaining to the walls of the coelom.
Parthenogenesis (par the no jen'e sis), the development of an egg without fertilization.
Pathology (path... | {
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GLOSSARY 919
Regeneration (rē jēn ēr ā'shūn), the replacement of mutilated parts or an entire animal from a portion of one.
Renal (re'nal), pertaining to the kidney.
Rennin (ren'in), an enzyme constituent of gastric juice of mammals and capable of coagulating the protein portion of milk.
Reproduction (re prod... | {
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Threshold (thresh'old), the minimum strength of stimulus necessary to get a response.
Thrombin (throm'bin), the substance of the blood which plays an important part in clotting.
Thyroxin (thi rok'sen or -sin), the hormone which is produced by the thyroid
Tissue (tish'ū), an organization of similar cells into a ... | {
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#### INDEX
Α
Abdomen, 348, 639 Abducens nerve, 527 Abductor muscle, 524 Abductor muscle, 524
Abomasum, 633
Abyssal zone, 713, 770
Acanthocephala, class, 175, 1
Acarina, order, 266, 295, 297
Accipiter, 590
cooperi, 589
Accommodation, 402
Acetabulum, 495, 522, 611
Achiridae, family, 452
Acidian larva, 367
Acipenser... | {
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W., 48
Belonidae, family, 451
Belostomatidae, family, 318
Benthos, 769
Beroë ovata, 157, 159
Bidder's organ, 542
Bighorn, 631
Billbugs, 324
Binary flission, 90 Bêche-de-mer, 235 Billbugs, 324 Binary fission, 90 Biogenetic law, 870 Biological effects of radiations, 697 Biological effects of rau point of view, 17 Biology... | {
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411, 639 Catostomidae, family, 450 Catostomidae, family, 450
Cats, 629
Cattle, 630
Caudata, order, 484
Caudina, 224
Cave fishes, 451
Cavier, 447, 456
Cavies, 625
Cebidae, family of monkeys, 635
Cecum, 648
Cell division, 61
principle, 49 Cecum, 943 Cell division, 61 principle, 49 theory, its influence, 52 Cellular diffe... | {
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Robert, 61 Chaos diffluens, 85 Chaparral bird, 591 Characters, unit, 823 Charadriiformes, order, 591 Charybdea, 137 Cheek pouches, 624 Cheek podches, o Cheiloschisis, 656 Chela, 270 Chelicerae, 292 Chelonia, order, 548 Cheloniidae, family, 550 Chelydridae, family, 549 Chemotropism, 77 Chenopodium, 183 Chenopodium, 183
... | {
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Coitus, 409, 814 Colaptes auratus, 594 Coleoptera, order, 265, 322 Coleps, 70 Collar cells, 119 Collared lizard, 553 Collembola, order, 265, 311 Colloid, 53 Colloid, 53
Colloidal state, 53
Collown, 288
Coloboma, 665
Colony formation, 864
Color blind inheritance, 833
Coloration in amphibia, 474
Colubridae, 557
Colubrida... | {
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508 Cuticle, 81, 201 nonchitinous, 194 Cuticula, 200 Cuticula, 308 Cybiidae, family, 453 Cycloid scale, 444 Cyclophyllidae, order, 161 Cyclopia, 665 Cyclops, 264, 265, 281, 283 Cyclosis, 95 Cyclospondyll, order, 422
Cyclostomata, class, 410, 412
economic relations, 413
Cynocephalus, a baboon, 636
Cynoglossidae, famil... | {
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762 Didelphia, 617 Didelphis virginiana, 619
| | D 597 650 ... | {
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centrolectular, ova |
| Diverticulae, 213 Dobson flies, 322 Dog, 628 Dog, 628 |... | {
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317
Escocidae, 450
Esophagus, 203
Esox, 451
Estrogenic hormone, 676
Etheostomidae, family, 454
Ethiopian region, 712
Ethmoid bone, 465
Euarctos americanus, brown bear, 629
Eubrauchinus, 283 Eubranchipus, 283 Euconulus chersinus trochulus, 240 Eucosmidae, family, 328 Eudorina, 75 Eugenic groups, 841 measures, 844
Euge... | {
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475 skull, 517 spinal cord, 527 Strecker's, 482 swamp tree, 473 Texan cliff, 479
Frog—Cont'd
tiee, 485
vascular system, 503
vens, 508
vertebral column, 520
visceral skeleton, 519
Frogs, 411, 472
Frontal bones, 465
Frontonia, 70, 71
Frontoparietal bone, 517
Fruit flies, 330
Fulica americana, 591
Fungiform papillae, 65... | {
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| |
| Gorgonacea.<br>order,<br>143 | |
| Gorgonia.<br>143 | |
| Gorr'onocpnhalus, | |
| 219 | |
| Gorilla.<br>637 | |
| 637<br>g... | {
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<sup>308</sup> Hemi penes, <sup>572</sup> Hemiptera, order, 266, <sup>318</sup> Hemocyanin, 244, <sup>394</sup>
Hemoglobin, 57, 205, 375, 513 Hemolymph, 394 Hemophilia, 839 Hemophiliacs, 395 Hemophinacs, 395 Hepatic caeca, 229 portal vein, 434, 509 Heredity, 821 physical basis, 824 Hermaphroditic condition, 112 Herma... | {
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178
Neoscona benjamina, 296
Neotropical region, 713
Nephridia, 110, 188, 195, 206, 207, 214, 393
Nephridial ducts, 189
Nephridiopore, 195, 206, 207
Nephridiopores, 201
Nephridium, 203
Nephrostomes, 195, 199, 206, 207
Nephrostomes, 195, 199, 206, 207
Nephrostomes, on free kidney, 514 Nephrostomes, on frog kidney, 514 Ne... | {
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399 tissue, 107 Nettling cells, 135 Neural arch, 465 folds, 536 plate, 536, 815 tube, 537, 817, 818 Neurocoele, 372, 527 Neuroepithelial, 404 cells, 153 Neuron, 107 Neurones, 405 Neuropodium, 196, 197 Neuroptera, order, 266, 322 Neutroptera, order, 266, 322 Neutrons, 698 Newt, common (triturus), 484 Nicotinic acid, 389... | {
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Petromyzon, 413 ochraceus, 227 marinus, 415
Petromyzontia, subclass, 412 Petropedetes newtonl, 480 Phagocytosis, 395 Phalangida, order, 266, 295, 299 Phalaropes, 591 Pharyngeal clefts, 360 Pharyngobranchial, 428 Phasmidae, family, 318 Pheasants, 590 Phidippus workmanii, 296 Philodina, 190 Philomycus carolinensis, 240... | {
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Reproductive function, 407 system, frog, 531 Reptiles, classification, 547 flying, 546 Reptilia, 411 class, 545 Resources, nonrenewable, 794 renewable, 794 Respiration, aerial, 392 Respiratory system, 110 chicken, 603 frog, 514 phrynosoma, 566 vertebrates, 390 tree, 223 482 Salamanders, 411, 472 Salamandra salamandra, ... | {
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Teague, 194 Semicircular canals, 437, 529, 608 Semilunar valves, 459, 510 Seminal groove, 200, 209 receptacles, 202 |
| Semicircular canals, 437, 529, 608 |
| Semilunar valves, 459, 510 ... | {
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Thyroxine, 668
Thysanotera, order, 265, 320
Thysanosoma, 765
Thysanosoma, 765
Thysanotera, order, 265, 309
Tibia, 293, 306, 347
Tibiofibula of frog, 522
Tibiotarsus, 612
Tick, sheep, 330
Ticks, 266, 298
Tiedemann's bodies, 230, 231, 233
Tiger, 629
beetles, 324
salamander, 484
ambystoma tigrinum, 480 ambystoma tigrinum,... | {
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E., 23, 43, 284
von Mohl, 49
Vorticella, 70, 71
Vulpes fulva, red fox, 628
Vulture, 589
California, 589 California, 589
#### W
Walking legs, 270
Wallace, Alfred R., 711
Walrus, 629
Wasps, 266, 331
solitary, 335
Water, 58
dog, 487
flea, 264
moccasins, 556, 559
striders, 318
Water-vascular system, 230, 231
Wa... | {
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"token_count": 928,
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