Principles of Zoölogy : Touching the Structure, Development, Distribution, and Natural Arrangement of the Races of Animals, Living and Extinct with Numerous Illustrations: Part I, Comparative Physiology, for the Use of Schools and CollegesGould and Lincoln, 1859 - 250 pagina's |
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Pagina 10
... Temperate Faunas III . Tropical Faunas 198 204 SECTION III . Conclusions 207 CHAPTER FOURTEENTH . GEOLOGICAL SUCCESSION OF ANIMALS ; OR , THEIR DISTRIBUTION IN TIME • • 214 SECTION I. Structure of the Earth's Crust 214 · · SECTION II ...
... Temperate Faunas III . Tropical Faunas 198 204 SECTION III . Conclusions 207 CHAPTER FOURTEENTH . GEOLOGICAL SUCCESSION OF ANIMALS ; OR , THEIR DISTRIBUTION IN TIME • • 214 SECTION I. Structure of the Earth's Crust 214 · · SECTION II ...
Pagina 12
... temperate fauna extends , along the mountains of Mexico and Central America , much farther towards the Equator than it does on the lower levels . In the same manner , the southern warm fauna extends northward , along the Andes . FIG . 1 ...
... temperate fauna extends , along the mountains of Mexico and Central America , much farther towards the Equator than it does on the lower levels . In the same manner , the southern warm fauna extends northward , along the Andes . FIG . 1 ...
Pagina 32
... temperate climates ; and these latter , in their turn , differ from those of tropical regions . Certainly , no one will maintain it to be the effect of accident that the monkeys , the most perfect of all brute animals , are found only ...
... temperate climates ; and these latter , in their turn , differ from those of tropical regions . Certainly , no one will maintain it to be the effect of accident that the monkeys , the most perfect of all brute animals , are found only ...
Pagina 136
... temperate climates , and remain unchanged until the following spring . During this time , the principle of life in the egg is not extinct , but is simply inactive , or in a latent state . This tenacity of life is displayed in a still ...
... temperate climates , and remain unchanged until the following spring . During this time , the principle of life in the egg is not extinct , but is simply inactive , or in a latent state . This tenacity of life is displayed in a still ...
Pagina 187
... temperate , and the tropical faunas : in the same manner as we have arctic , temperate , and tropi- cal floras . Hence , also , animals dwelling at high elevations upon mountains , where the temperature is much reduced , resemble the ...
... temperate , and the tropical faunas : in the same manner as we have arctic , temperate , and tropi- cal floras . Hence , also , animals dwelling at high elevations upon mountains , where the temperature is much reduced , resemble the ...
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albumen allantois Ammonites Animal Kingdom appear aquatic arteries Articulata Articulates auricles become belong birds blood body bones brain branches called canal carboniferous Carnivora cartilaginous cavity cells Cercaria chyle classes cloth composed contains corresponding crabs crustaceans crystalline lens cuttle-fish digestive distinct Distoma distribution divided Echinoderms eggs embryo enclosed epoch fauna fishes fluid formation fossils frog furnished Gasteropods geological germ germinative germinative vesicle gills head heart Illustrations important Infusoria insects intestine jaws jelly-fishes layer less limbs living lower lungs magnified mals mammals membrane metamorphoses mode mollusks muscles namely natural nerves nervous system oxygen peculiar period plants polyps portion Radiates regions reptiles resemblance respiration respiratory organs Rhizodonts rocks SECTION shell showing Silurian similar skin species star-fishes structure surface teeth temperate tentacles terrestrial animals Tertiary tion tissues trachea tropical types upper vegetative ventricle vertebrated animals vesicle White-fish whole worms yolk young Zoology
Populaire passages
Pagina 189 - Experiments of dredging in very deep water have also taught us that the abyss of the ocean is nearly a desert. Not only are no materials found there for sustenance, but it is doubtful if animals could sustain the pressure of so great a column of water, although many of them are provided with a system of pores, (260,) which enables them to sustain a much greater pressure than terrestrial animals. America, one species takes...