The American Naturalist, Volumen21Essex Institute, 1887 |
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Página 606
... living . Perhaps he may think that in the animal world alone this war- fare is going on ; but if he turns to the vegetable kingdom with the idea that here there can be no such struggle , a short time will convince him of his mistake ...
... living . Perhaps he may think that in the animal world alone this war- fare is going on ; but if he turns to the vegetable kingdom with the idea that here there can be no such struggle , a short time will convince him of his mistake ...
Página 607
... living long enough to perfect seed , and thus be the means of continuing their kind . Each one of the many ways of resisting the attacks of ani- mals has been only gradually acquired . From a small begin- ning , the importance of which ...
... living long enough to perfect seed , and thus be the means of continuing their kind . Each one of the many ways of resisting the attacks of ani- mals has been only gradually acquired . From a small begin- ning , the importance of which ...
Página 660
... living race , and in many points showing apian affinities . MINERALOGY AND PETROGRAPHY . Petrographical News . - In the August number of the Geolog- ical Magazine Mr. J. J. H. Teall describes an interesting suite of hornblende rocks ...
... living race , and in many points showing apian affinities . MINERALOGY AND PETROGRAPHY . Petrographical News . - In the August number of the Geolog- ical Magazine Mr. J. J. H. Teall describes an interesting suite of hornblende rocks ...
Página 665
... living until after the ripening of the spores in the ball . At this time the tissue begins a rapid growth , and , as a conse- quence , a cylindrical stalk is quickly produced . This forces the ball through the overlying earth , and ...
... living until after the ripening of the spores in the ball . At this time the tissue begins a rapid growth , and , as a conse- quence , a cylindrical stalk is quickly produced . This forces the ball through the overlying earth , and ...
Página 685
... living African explorers . On a map of the African continent given in the issue of May 27 appears " St. Stanley's Falls . " -Professor Prestwich , who for thirteen years has held the chair of geology at Oxford , England , has resigned ...
... living African explorers . On a map of the African continent given in the issue of May 27 appears " St. Stanley's Falls . " -Professor Prestwich , who for thirteen years has held the chair of geology at Oxford , England , has resigned ...
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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