The Doctrine of Descent and DarwinismD. Appleton, 1875 - 334 páginas |
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Página 4
... shows that with the development of mankind , the store of words must also have uncon- sciously and instinctively increased . The multiplicity of languages is due to the dispersion of nations , whose idiosyncrasies are reflected in the ...
... shows that with the development of mankind , the store of words must also have uncon- sciously and instinctively increased . The multiplicity of languages is due to the dispersion of nations , whose idiosyncrasies are reflected in the ...
Página 9
... shows us at a , the femur , or thigh bone , and at b , the tibia , or lower leg bone ; but instead of the bones of the tarsus and me- tatarsus , the latter of which affords attachment to the C FIG . I. m n b toes , we find only the long ...
... shows us at a , the femur , or thigh bone , and at b , the tibia , or lower leg bone ; but instead of the bones of the tarsus and me- tatarsus , the latter of which affords attachment to the C FIG . I. m n b toes , we find only the long ...
Página 10
... shows that the bird's leg consists of the thigh , or femur ( a ) , and the shank or tibia ( b ) , two tarsal ( m n ) , and three or four metatarsal bones ( c ) , and the toes , or phalanges ; that the upper tarsal bone is anchylosed ...
... shows that the bird's leg consists of the thigh , or femur ( a ) , and the shank or tibia ( b ) , two tarsal ( m n ) , and three or four metatarsal bones ( c ) , and the toes , or phalanges ; that the upper tarsal bone is anchylosed ...
Página 24
... shows that this capacity for saturation , and this mobility , essentially characterize the combinations of carbon ; and the sum of these motions and displacements , of which a great part has already been susceptible of mathematically ...
... shows that this capacity for saturation , and this mobility , essentially characterize the combinations of carbon ; and the sum of these motions and displacements , of which a great part has already been susceptible of mathematically ...
Página 34
... shows , as the older zoology represented it , that in the actual forms the ground plan , or " ideal types , " find very diversified expression . A further result of this descriptive inquiry is the tree - like grouping of the members of ...
... shows , as the older zoology represented it , that in the actual forms the ground plan , or " ideal types , " find very diversified expression . A further result of this descriptive inquiry is the tree - like grouping of the members of ...
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Palavras e frases frequentes
according adaptation already Ammonites Amphibians animal world apes appearance Ascidian birds body bone brain causes Cetacea character characteristics comparative anatomy complete connection continent Darwin dentition derivation diverge doctrine of Descent Echinoderms embryo Eocene exhibit existence external facts families fauna fish formation fossil Gastrula gemmules genera genus geological Goethe grade gradually groups Haeckel heredity higher horse human hypothesis idea individual infer intermediate forms investigation islands lancelet language larva larvæ likewise linguistic lower mammals Marsupials Medusa ment merely metamorphosis modifications morphological mutability natural selection observations Oolite organisms origin ovum peculiar pedigree perfect period phase phenomena placenta plants polypes possess present primordial progenitors races regard relations remains reproduction reptiles Rütimeyer says scarcely scientific separate sexual Silurian skull species strata structure systematic terrestrial animals theory of selection tion transformation true Ungulata Ungulates varieties vertebral column Vertebrata vertebrate animals whole