Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 176
... extremities ( sometimes of the vertebrae ) were hollow . In the Sauropoda the bones of the extremities were nearly solid , but the ( trunk ) vertebrae possessed cavities , sometimes very extensive ( for instance , in Pelorosaurus ) .1 ...
... extremities ( sometimes of the vertebrae ) were hollow . In the Sauropoda the bones of the extremities were nearly solid , but the ( trunk ) vertebrae possessed cavities , sometimes very extensive ( for instance , in Pelorosaurus ) .1 ...
Стр. 342
... extremities ( if present ) , was submitted by me ( 1922 ) : — A. ICHTHYOMORPHI . Fish - like animals . Without paired extremities ; jaws are either wanting , or , if present , are without teeth . Series I. Marsipobranchii ( or ...
... extremities ( if present ) , was submitted by me ( 1922 ) : — A. ICHTHYOMORPHI . Fish - like animals . Without paired extremities ; jaws are either wanting , or , if present , are without teeth . Series I. Marsipobranchii ( or ...
Стр. 425
... extremities in Amphibia and their bearing on the question of the origin of the extremities of Tetrapoda . Moscow , 1915 ( in Russian ) . SCHMALHAUSEN , J .: Ueber die Autostylie der Dipnoer und der Tetrapoda . Revue Zool . Russe , III ...
... extremities in Amphibia and their bearing on the question of the origin of the extremities of Tetrapoda . Moscow , 1915 ( in Russian ) . SCHMALHAUSEN , J .: Ueber die Autostylie der Dipnoer und der Tetrapoda . Revue Zool . Russe , III ...
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 |
Авторские права | |
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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