Chapters on EvolutionChatto & Windus, 1883 - Всего страниц: 383 |
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Стр. xiv
... Gills . 236 . 197 161. Newts 238 . 197 162. Hippocampus , or Sea - horse 111. Development of Sea - urchin 112. Rosy Feather - star and Young 113. Development of Crinoid . 239 198 163. Amblystoma . 242 198 164. Cecidomyia 246 . 199 165 ...
... Gills . 236 . 197 161. Newts 238 . 197 162. Hippocampus , or Sea - horse 111. Development of Sea - urchin 112. Rosy Feather - star and Young 113. Development of Crinoid . 239 198 163. Amblystoma . 242 198 164. Cecidomyia 246 . 199 165 ...
Стр. 21
... gills are then removed from the medium from which they derive the oxygen for breathing , the whale breathes by lungs , and , as every one knows , requires to ascend periodically to the surface of the water to inhale the air directly ...
... gills are then removed from the medium from which they derive the oxygen for breathing , the whale breathes by lungs , and , as every one knows , requires to ascend periodically to the surface of the water to inhale the air directly ...
Стр. 33
... gill - clefts in his neck in early life , which clefts are of no use whatever to their possessor ; if he finds that other structures , found permanently in lower animals , have a temporary existence in human development- is he not ...
... gill - clefts in his neck in early life , which clefts are of no use whatever to their possessor ; if he finds that other structures , found permanently in lower animals , have a temporary existence in human development- is he not ...
Стр. 42
... gills or breathing organs ; ee and ff , " oars " or locomotive organs . may , without exception , be referred to the butterfly type . From which declarations a third may naturally be drawn , namely , that the bodies of all insects and ...
... gills or breathing organs ; ee and ff , " oars " or locomotive organs . may , without exception , be referred to the butterfly type . From which declarations a third may naturally be drawn , namely , that the bodies of all insects and ...
Стр. 50
... gills ; the life of the air - breather being , as a matter of fact , associated with a structural perfection excelling that of the aquatic and gill- bearing animal . So also the degradation of organs and parts which accompanies ...
... gills ; the life of the air - breather being , as a matter of fact , associated with a structural perfection excelling that of the aquatic and gill- bearing animal . So also the degradation of organs and parts which accompanies ...
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Часто встречающиеся слова и выражения
adult air-bladder Amoeba animal or plant animal world animalcule animals and plants appear appendages ascidian Axolotl barnacle become biological bird body bone buds Campodea carpels cells changes chiton cilia colonial common connected constitution crab cross-fertilisation crustaceans curious Darwin degeneration descent discover evolution exhibit existence fact favour fertilisation firstly fish flowers fossil frog geological germ gills higher animals idea illustrated individual insects jaws lampshells lancelet larva larvæ latter life-history likewise limbs living lobster marsupials ment metamorphosis missing links modification molluscs named naturalist nature Nauplius neighbours notochord organisation organs origin pairs phases pistil pollen pollen-grains possess present primitive primrose produced protoplasm pteropod quadrupeds race regarded remarks represented reptiles resemblance Sacculina scientific sea-squirt seen segments skull species spine sponge stage stamens Starfishes stigma structure tail theory tion to-day trace variation varied vertebrate whilst wings worm young zoophyte