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 13
... Portion of intestine , showing the lacteals of man , and their entrance into a vein . 55. Jaws of an Echinoderm , ( Echinarachnius parma . ) 56. Jaws of a sea - urchin , ( Echinus granulatus . ) 57. Beak of a cuttle - fish . 58. Portion ...
... Portion of intestine , showing the lacteals of man , and their entrance into a vein . 55. Jaws of an Echinoderm , ( Echinarachnius parma . ) 56. Jaws of a sea - urchin , ( Echinus granulatus . ) 57. Beak of a cuttle - fish . 58. Portion ...
Pagina 14
... Portion of a vein opened , to show the valves , 83. Network of capillary vessels . 84. Dorsal vessel of an insect , with its valves . 85. Cavities of the heart of mammals and birds . 86. 66 87 . 66 66 66 of a reptile . 66 66 of a fish ...
... Portion of a vein opened , to show the valves , 83. Network of capillary vessels . 84. Dorsal vessel of an insect , with its valves . 85. Cavities of the heart of mammals and birds . 86. 66 87 . 66 66 66 of a reptile . 66 66 of a fish ...
Pagina 15
... Portion of a plant - like polyp , ( Campanularia ) a , the cup which bears tentacles ; b , the female cup , containing eggs ; c , the cups in which the young are nursed , and from which they issue . 144. Young of the same , with its ...
... Portion of a plant - like polyp , ( Campanularia ) a , the cup which bears tentacles ; b , the female cup , containing eggs ; c , the cups in which the young are nursed , and from which they issue . 144. Young of the same , with its ...
Pagina 26
... portion of her works with enthusiasm , and neverthe- less remain strangers to the spirit of the whole , ignorant of the plan on which it is based , and fail to acquire a proper conception of the varied affinities which combine beings ...
... portion of her works with enthusiasm , and neverthe- less remain strangers to the spirit of the whole , ignorant of the plan on which it is based , and fail to acquire a proper conception of the varied affinities which combine beings ...
Pagina 39
... portion of the brain . But the gray substance of the brain is composed of very minute granulations , interspersed with clusters of larger cells , as seen in figure 7 . 46. The tissues above enumerated differ from each other more.
... portion of the brain . But the gray substance of the brain is composed of very minute granulations , interspersed with clusters of larger cells , as seen in figure 7 . 46. The tissues above enumerated differ from each other more.
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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...