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 11
... animals , and the order of their successive appearance in the layers of the earth's crust . The four Ages of Nature , mentioned at page 221 , are represented by four zones , of different shades , each of which is subdivided by circles ...
... animals , and the order of their successive appearance in the layers of the earth's crust . The four Ages of Nature , mentioned at page 221 , are represented by four zones , of different shades , each of which is subdivided by circles ...
Pagina 18
... animals . These are called varieties , and seldom endure beyond the causes which occasion them . Several genera ... Animal Kingdom . For each of these groups , whether larger or smaller , we involuntarily picture in our minds an image ...
... animals . These are called varieties , and seldom endure beyond the causes which occasion them . Several genera ... Animal Kingdom . For each of these groups , whether larger or smaller , we involuntarily picture in our minds an image ...
Pagina 19
... animal which embodies most fully the characters of a group , as the type of that group . Thus we might , perhaps , regard an ... ( animals which nurse their young . ) 2. Birds . 3. Reptiles . 4. Fishes . The class of MAMMALS INTRODUCTION . 19.
... animal which embodies most fully the characters of a group , as the type of that group . Thus we might , perhaps , regard an ... ( animals which nurse their young . ) 2. Birds . 3. Reptiles . 4. Fishes . The class of MAMMALS INTRODUCTION . 19.
Pagina 24
... animals , ( Infusoria , ) from their being found specially abundant in water infused with vegetable matter . These minute beings do not , however , constitute a natural group in the Animal Kingdom . Indeed , a great many that were for ...
... animals , ( Infusoria , ) from their being found specially abundant in water infused with vegetable matter . These minute beings do not , however , constitute a natural group in the Animal Kingdom . Indeed , a great many that were for ...
Pagina 25
... animals . 2. To enumerate and name the animals which are found on the globe , to describe their forms , and investigate their habits and modes of life , are the principal , but by no means the only objects of this science . Animals are ...
... animals . 2. To enumerate and name the animals which are found on the globe , to describe their forms , and investigate their habits and modes of life , are the principal , but by no means the only objects of this science . Animals are ...
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Veelvoorkomende woorden en zinsdelen
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...