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 12
... showing the effect of the eye on rays of light . 15. Position of the eye of the snail . 16. Eyes ( ocelli ) of the spider . 17. Eye - spots of a star - fish , ( Echinaster sanguinolentus . ) 18. Compound eyes , showing the arrangement ...
... showing the effect of the eye on rays of light . 15. Position of the eye of the snail . 16. Eyes ( ocelli ) of the spider . 17. Eye - spots of a star - fish , ( Echinaster sanguinolentus . ) 18. Compound eyes , showing the arrangement ...
Pagina 13
... showing the terminal cups . 33. Portion of a Nereis , showing the gills as organs of motion . 34-43 . Modifications of the fore - arm . 34. Monkey . 35. Deer . 36. Tiger . 37. Whale . 38. Bat . 39. Pigeon . 40. Turtle . 41. Sloth . 42 ...
... showing the terminal cups . 33. Portion of a Nereis , showing the gills as organs of motion . 34-43 . Modifications of the fore - arm . 34. Monkey . 35. Deer . 36. Tiger . 37. Whale . 38. Bat . 39. Pigeon . 40. Turtle . 41. Sloth . 42 ...
Pagina 14
... showing its incipient rings . 105. Embryo of a vertebrate , showing the dorsal furrow . 106-8 . Sections of the embryo , showing the formation of the dorsal canal . 109. Section , showing the position of the embryo of a vertebrate , in ...
... showing its incipient rings . 105. Embryo of a vertebrate , showing the dorsal furrow . 106-8 . Sections of the embryo , showing the formation of the dorsal canal . 109. Section , showing the position of the embryo of a vertebrate , in ...
Pagina 15
... showing its reproduction by buds . 133. Vorticella , showing its reproduction by division . 134. Polyps , showing the same . 135. A chain of Salpæ . 136. An individual salpa ; m , the mouth ; a , embryos . 137. Cercaria , or early form ...
... showing its reproduction by buds . 133. Vorticella , showing its reproduction by division . 134. Polyps , showing the same . 135. A chain of Salpæ . 136. An individual salpa ; m , the mouth ; a , embryos . 137. Cercaria , or early form ...
Pagina 16
... showing its imperfect organization . 154. Section of the earth's crust , to show the relative positions of the rocks composing it ; E , plutonic or massive rocks ; M , metamor- phic rocks ; T , trap rocks ; L , lava . 1. Lower Silurian ...
... showing its imperfect organization . 154. Section of the earth's crust , to show the relative positions of the rocks composing it ; E , plutonic or massive rocks ; M , metamor- phic rocks ; T , trap rocks ; L , lava . 1. Lower Silurian ...
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Veelvoorkomende woorden en zinsdelen
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