The American Naturalist, Volumen21Essex Institute, 1887 |
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Página 611
... cause to rue the visit . Honey - bees have often been found dead , with many pairs of glands or pollen - masses attached to them ; for , visiting the flowers and extracting numbers of the masses , they become entangled , and finally ...
... cause to rue the visit . Honey - bees have often been found dead , with many pairs of glands or pollen - masses attached to them ; for , visiting the flowers and extracting numbers of the masses , they become entangled , and finally ...
Página 612
... cause the plant to be rejected by all animals . It grows in very poor soil , and has but few plants to contend with ; so that the acridity serves . to protect it in much the same way as if it had a milky juice . The sixty or more ...
... cause the plant to be rejected by all animals . It grows in very poor soil , and has but few plants to contend with ; so that the acridity serves . to protect it in much the same way as if it had a milky juice . The sixty or more ...
Página 624
... causing him to make com- parison of sections , of association of species and individual vari- ations , as well as drilling him in the identifying of genera and species ; using the local facts , because I find better results from the ...
... causing him to make com- parison of sections , of association of species and individual vari- ations , as well as drilling him in the identifying of genera and species ; using the local facts , because I find better results from the ...
Página 629
... cause that is easy to foresee , namely , the great fragility of the scapula . I could have had long bones in abundance , but the shoulder- blades were for the most part either in fragments , or so injured that the necessary measurements ...
... cause that is easy to foresee , namely , the great fragility of the scapula . I could have had long bones in abundance , but the shoulder- blades were for the most part either in fragments , or so injured that the necessary measurements ...
Página 641
... caused by a slight unevenness of the surface of the boulder . This boulder is only a short distance from one previously de- scribed as " Thunder Bir's Track's Brother , " some four miles northwest of Brown's Valey , and , like No. 2 ...
... caused by a slight unevenness of the surface of the boulder . This boulder is only a short distance from one previously de- scribed as " Thunder Bir's Track's Brother , " some four miles northwest of Brown's Valey , and , like No. 2 ...
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Términos y frases comunes
Amer AMERICAN NATURALIST animals appear Artiodactyla Bering Island bones botany breed called cells character chemical color compounds conclusions Condylarthra contains crystals cusps described dike E. D. Cope Eocene evolution eyes facts fauna feet figures fossils four Gard genera genus geological geologists geology Göhrde groups Heptodon hornblende hornless stags horns hundred Hyracotherium Ichthyosaurus incisors inferior molar infra-spinous insects Island J. B. LIPPINCOTT COMPANY known Lambdotherium larvæ lower Menodus mineral Miocene molars natural North notes observed occur original paper Philadelphia plane plants plates polled cattle pollinia portion premolars present probably Proc Prof Professor Protohippus published recently region represented River rocks sandstone says scapular scapular index schists scientific sea-cow sections seen side skull species specimens Spiders structure student superior molars synonymy Taconic teeth tion varieties Vilmorin XXI.-NO