The American Naturalist, Volumen21Essex Institute, 1887 |
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Página 612
... occur , the seeds , being heavy , would fall to the ground close to the parent plant , and the purpose of the development of the feathery appendage would be defeated ; but , drying so rapidly , they are in a condition to be carried by ...
... occur , the seeds , being heavy , would fall to the ground close to the parent plant , and the purpose of the development of the feathery appendage would be defeated ; but , drying so rapidly , they are in a condition to be carried by ...
Página 624
... occur in nature . This is not accomplished by simply walk- ing over the ground and pointing out the phenomena to the class . In one way and another they must be led to see for them- selves ; they must gather the facts , study and ...
... occur in nature . This is not accomplished by simply walk- ing over the ground and pointing out the phenomena to the class . In one way and another they must be led to see for them- selves ; they must gather the facts , study and ...
Página 625
... occur in the rocks , and the determining of the characters , the names , and the horizon , each man for himself . And if the rocks are crystalline and not fossiliferous , this de- termines beforehand that there are not present the best ...
... occur in the rocks , and the determining of the characters , the names , and the horizon , each man for himself . And if the rocks are crystalline and not fossiliferous , this de- termines beforehand that there are not present the best ...
Página 636
... occur . I shall now call attention to some of the most curious specimens . Figs . 4 and 5 show respectively the lowest and the highest indices . The breadth is the same in each , but the length of the latter is little more than two ...
... occur . I shall now call attention to some of the most curious specimens . Figs . 4 and 5 show respectively the lowest and the highest indices . The breadth is the same in each , but the length of the latter is little more than two ...
Página 642
until they are perfectly smooth . The face of the boulder upon which these occur is about two feet long and one and a half feet in width . DIAGRAM N ° 3 صلاح ী 30 16 Inches 40 Centimetres There is a Dakota tradition relating to these ...
until they are perfectly smooth . The face of the boulder upon which these occur is about two feet long and one and a half feet in width . DIAGRAM N ° 3 صلاح ী 30 16 Inches 40 Centimetres There is a Dakota tradition relating to these ...
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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