Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 131
... upper deposits of the Upper Miocene may be observed a very rich fauna of pond Mollusca . Here , among others , may be found Planorbis ( Gyraulus ) multiformis in three forms ( applanatus , dealbatus and kleini ) , Limnaea ( Radix ) dila ...
... upper deposits of the Upper Miocene may be observed a very rich fauna of pond Mollusca . Here , among others , may be found Planorbis ( Gyraulus ) multiformis in three forms ( applanatus , dealbatus and kleini ) , Limnaea ( Radix ) dila ...
Стр. 178
... Upper Cretaceous Triceratops as many as 10 . In certain dinosaurs ( Compsognathus , Ornithomimus and others ) the astragalus is closely attached to the lower end of the tibia , just as in the young ostrich ( in adult birds the ...
... Upper Cretaceous Triceratops as many as 10 . In certain dinosaurs ( Compsognathus , Ornithomimus and others ) the astragalus is closely attached to the lower end of the tibia , just as in the young ostrich ( in adult birds the ...
Стр. 255
... Upper Carboniferous of North America . B , Terebratula subsella , fam . Terebratulidae , Upper Jurassic of France . C , Plicigera trigonella , fam . Spiriferidae , Middle Triassic of Italy . D , Trigonella fleuriausa , fam ...
... Upper Carboniferous of North America . B , Terebratula subsella , fam . Terebratulidae , Upper Jurassic of France . C , Plicigera trigonella , fam . Spiriferidae , Middle Triassic of Italy . D , Trigonella fleuriausa , fam ...
Содержание
THE STRUGGLE FOR EXISTENCE AND NATURAL | 1 |
Various types of the struggle for existence | 45 |
Is survival a privilege of the bearers of useful | 62 |
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Abel accidental according adapted adult allied America ammonites amphibians ancestors angiosperms Animals and Plants appear belonging Bennettitales birds bones butterflies Carinatae chance chap characters colour common complex Craniata Cretaceous Crossopterygii Darwin definite direction derived determined direction dicotyledons dinosaurs Dipnoi dorsal due to convergence embryo evolution exhibit external extinct female fins fishes formation forms Fürbringer genera genus groups gymnosperms hind-limbs independently insects instance Kuznetzov lamarckiana latter living Lotsy lower male mammals manifested means mimicry Monochlamydeae monocotyledons mutations natural selection number of individuals observed occur ontogeny opinion organisation Origin of Species Ornithischia orthogenesis Osborn parallel pectoral peculiar phenomena phylogeny Piperales placenta Placentalia Polycarpicae polyphyletic polyphyletic origin possess primitive produced Pseudosuchia pterosaurs Ratitae referred regarded remarkable reptiles resemblance Russian Saurischia says seeds shell similar skull structure struggle for existence sub-species teeth Teleostomi tendency tetrapods theory tion transformation varieties Vavilov vertebrates Vries wings