The American Naturalist, Volumen21Essex Institute, 1887 |
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Página 644
... tion may be adopted without affecting its integrity ; it affords the means of immediately representing new discoveries , and of either tentatively or finally distinguishing phenomena of doubt- ful significance ; and it permits ...
... tion may be adopted without affecting its integrity ; it affords the means of immediately representing new discoveries , and of either tentatively or finally distinguishing phenomena of doubt- ful significance ; and it permits ...
Página 647
... tion of the potter's trade , rather than as advancing new ideas . This , however , must not be taken as adverse criticism , but , on the contrary , as a recognition of an important point in the articles . In connection with them the ...
... tion of the potter's trade , rather than as advancing new ideas . This , however , must not be taken as adverse criticism , but , on the contrary , as a recognition of an important point in the articles . In connection with them the ...
Página 661
... tion of the original augite into hornblende appear to increase as the pressure to which the rock - mass was subjected is seen to have been greater . Generally , though not always , the alteration in the composition of the rock is ...
... tion of the original augite into hornblende appear to increase as the pressure to which the rock - mass was subjected is seen to have been greater . Generally , though not always , the alteration in the composition of the rock is ...
Página 662
... tion is : Sio , 52.28 CaO 19.62 MgO 15.17 MnO 8.32 FeO 3.83 It crystallizes in red , brown , or black crystals bounded by the planes OP , P , P. , 2P , Po , P , and -P . The habit of these is deter- mined by the greater or less ...
... tion is : Sio , 52.28 CaO 19.62 MgO 15.17 MnO 8.32 FeO 3.83 It crystallizes in red , brown , or black crystals bounded by the planes OP , P , P. , 2P , Po , P , and -P . The habit of these is deter- mined by the greater or less ...
Página 666
... tion , two years ago , to the great abundance of the Ash - Rust ( Æcidium fraxini Schwein ) upon the Green Ash ( Fraxinus viridis ) in Lincoln . Last year I noted the fact that this rust was very rare in the same locality . This year ...
... tion , two years ago , to the great abundance of the Ash - Rust ( Æcidium fraxini Schwein ) upon the Green Ash ( Fraxinus viridis ) in Lincoln . Last year I noted the fact that this rust was very rare in the same locality . This year ...
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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