Humboldt Library of Popular Science Literature, Том 1Humboldt Publishing Company |
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Стр. 25
... Carnivora , Hyænictis and Ictitherium as inter- calary , or , perhaps , linear types be- tween the Viverrida and the Hyo- nidæ . But if it can be shown that A , B , and C exhibit successive stages in the degree of modification , or ...
... Carnivora , Hyænictis and Ictitherium as inter- calary , or , perhaps , linear types be- tween the Viverrida and the Hyo- nidæ . But if it can be shown that A , B , and C exhibit successive stages in the degree of modification , or ...
Стр. 26
... Carnivora , the walruses Let us now endeavor to find some and the eared seals are intercalary cases of true linear types , or forms forms between the fissipede Carnivora which are intermediate between others and the ordinary seals , so ...
... Carnivora , the walruses Let us now endeavor to find some and the eared seals are intercalary cases of true linear types , or forms forms between the fissipede Carnivora which are intermediate between others and the ordinary seals , so ...
Стр. 35
... Carnivora , which are so well repre no way to oppose the hypothesis that sented in the Tertiaries . No Inseo- the older are the progenitors of the tivora are certainly known , nor any more recent forms , while , in some opossum - like ...
... Carnivora , which are so well repre no way to oppose the hypothesis that sented in the Tertiaries . No Inseo- the older are the progenitors of the tivora are certainly known , nor any more recent forms , while , in some opossum - like ...
Содержание
WORK IN GEOLOGY BY ARCHIBALD GEIKIE F R S | 7 |
On the Border Territory between Animals and the Vegetable Kingdom | 26 |
tionfrom Morphology or Structurefrom Geology | |
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abundant adapted allied Amphibia animals appear Arctic Australia Bats biological birds body branches Carnivora cause Cetacea character Charles Darwin classification conception continent creation Crustacea Cuvier Darwinian descent distinct distribution doctrine Eocene epoch Erasmus Erasmus Darwin Europe evidence evolution evolutionary evolutionism existence extinct fact fauna fishes flora Foraminifera forms fossil genera genus geological gradually groups human HUMBOLDT hypothesis ical idea important insects instinct islands knowledge Lamarck land larvæ less living Lyell Mammalia mammals Marsupials ment Mesozoic mind Miocene modification natural selection naturalist North observed ocean organic Origin of Species Palearctic period phenomena philosophical phosphorescence physical plants possess present principle progress region relations remarkable reptiles scientific South America structure sub-region supposed surface theory things tion tropical true truth types Ungulata universe vegetation whole Zoology