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, 1854 - 250 pagina's |
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Pagina 7
... Structure of Organized Bodies 36 SECTION III . Differences between Animals and Plants 41 CHAPTER THIRD . FUNCTIONS AND ORGANS OF ANIMAL LIFE 44 SECTION I. Of the Nervous System and General Sensation 44 Of the Special Senses 1. Of Sight ...
... Structure of Organized Bodies 36 SECTION III . Differences between Animals and Plants 41 CHAPTER THIRD . FUNCTIONS AND ORGANS OF ANIMAL LIFE 44 SECTION I. Of the Nervous System and General Sensation 44 Of the Special Senses 1. Of Sight ...
Pagina 12
... Nervous fibres , showing the loops as they terminate in the skin of a frog . 7. Gray substance of the brain , magnified . 8. Head of an embryo fish , to show its cellular structure throughout . 9. Diagram , to show the nervous system ...
... Nervous fibres , showing the loops as they terminate in the skin of a frog . 7. Gray substance of the brain , magnified . 8. Head of an embryo fish , to show its cellular structure throughout . 9. Diagram , to show the nervous system ...
Pagina 31
... structure which have a predomi- nant character in the full - grown animal , but which are shaded off , and vanish ... nervous system . 20. Again , we have a means of appreciating the relative grade of animals by the comparative study ...
... structure which have a predomi- nant character in the full - grown animal , but which are shaded off , and vanish ... nervous system . 20. Again , we have a means of appreciating the relative grade of animals by the comparative study ...
Pagina 44
... systems of organs , which are wanting in plants , the nervous system and the muscular system under its influence . The nervous system , therefore , is the grand characteristic of the animal body . It is the centre from which all the ...
... systems of organs , which are wanting in plants , the nervous system and the muscular system under its influence . The nervous system , therefore , is the grand characteristic of the animal body . It is the centre from which all the ...
Pagina 45
... . the pituitary body ; 7 . the pineal body . ( See figures 9 and 21. ) The spinal marrow is made up by the union of four nervous columns . bral nerves , and are designed chiefly for the organs. NERVOUS SYSTEM AND GENERAL SENSATION . 45 .
... . the pituitary body ; 7 . the pineal body . ( See figures 9 and 21. ) The spinal marrow is made up by the union of four nervous columns . bral nerves , and are designed chiefly for the organs. NERVOUS SYSTEM AND GENERAL SENSATION . 45 .
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adapted albumen allantois Ammonites Animal Kingdom appear aquatic arteries Articulata Articulates auricles become belong birds blood body bones brain branches called canal carboniferous cartilaginous cavity cells Cercaria chorion chyle circulation classes composed containing crabs Crinoids crustaceans crystalline lens cuttle-fish digestive distinct Distoma distribution divided Echinoderms eggs embryo enclosed epoch fauna female fishes fluid formation fossils frog furnished Gasteropods germ germinative vesicle gills head heart higher Illustrations important Infusoria insects intestine jaws jelly-fishes layer less limbs living lower lungs magnified mals mammals 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 seen 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