The American Naturalist, Volumen21Essex Institute, 1887 |
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Página 661
... varieties , —a compact brown , a uralitic , and an actinolitic variety . The saussuritization of the plagioclase and the altera- tion of the original augite into hornblende appear to increase as the pressure to which the rock - mass was ...
... varieties , —a compact brown , a uralitic , and an actinolitic variety . The saussuritization of the plagioclase and the altera- tion of the original augite into hornblende appear to increase as the pressure to which the rock - mass was ...
Página 662
... varieties . In later years Wiik , Herwig , and Doelter examined monoclinic pyroxenes with the view of deciding as to whether Tschermak's observations would be found to apply generally . Their results , however , were not conclusive ...
... varieties . In later years Wiik , Herwig , and Doelter examined monoclinic pyroxenes with the view of deciding as to whether Tschermak's observations would be found to apply generally . Their results , however , were not conclusive ...
Página 703
... varieties only the early and the late , scarcely differing . In 1806 , in America , McMahon3 knew the same only , and but two varieties are named by Bridgeman 4 in 1832. In France , in 1824,5 three varieties - le dur , le demi - dur ...
... varieties only the early and the late , scarcely differing . In 1806 , in America , McMahon3 knew the same only , and but two varieties are named by Bridgeman 4 in 1832. In France , in 1824,5 three varieties - le dur , le demi - dur ...
Página 704
few varieties , -one with a rough root , one with a globular , smooth root , one with variegated leaves , and a fourth which is very much dwarfed . Other varieties are named , but the differences are very unessential . In French works ...
few varieties , -one with a rough root , one with a globular , smooth root , one with variegated leaves , and a fourth which is very much dwarfed . Other varieties are named , but the differences are very unessential . In French works ...
Página 706
... varieties the white , the Swiss , the silver , the curled Swiss , and the Chilian chards . To this we may add less improved forms , such as the sea - beet . SEA - BEET . Beta sylvestris spontanea marina . Lob . , Obs . , 1576 , 125 . B ...
... varieties the white , the Swiss , the silver , the curled Swiss , and the Chilian chards . To this we may add less improved forms , such as the sea - beet . SEA - BEET . Beta sylvestris spontanea marina . Lob . , Obs . , 1576 , 125 . B ...
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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