Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томи 10 – 11American Philosophical Society, 1967 |
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Сторінка 118
... important impulses , two towards the centres of the sun and earth respectively , and two tangential to the earth's orbit , and to its circumference . Of the several motions , the orbital one is by far the most important . Next in point ...
... important impulses , two towards the centres of the sun and earth respectively , and two tangential to the earth's orbit , and to its circumference . Of the several motions , the orbital one is by far the most important . Next in point ...
Сторінка 323
... important stream in this region . The north branch passes along the north side of the range , receiving very many of its tributaries , and most of its waters from it , but takes its rise far to the westward of the range near the sources ...
... important stream in this region . The north branch passes along the north side of the range , receiving very many of its tributaries , and most of its waters from it , but takes its rise far to the westward of the range near the sources ...
Сторінка 495
... importance than questions of structure and process and condition questions not of the when , but of the how and why ... important discovery of a fresh - water stra- tum of blue clay , apparently lower in position than the Hadrosaurus ...
... importance than questions of structure and process and condition questions not of the when , but of the how and why ... important discovery of a fresh - water stra- tum of blue clay , apparently lower in position than the Hadrosaurus ...
Зміст
Three | 27 |
Pending nominations Nos 534 535 536 and 537 were | 28 |
Present ten members | 105 |
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American American Philosophical Society anticlinal appear appointed April arkite axis Bache barometric beds bitumen black slate blue Boston Carboniferous Chair character clay Coal Measures Committee Cresson Cretaceous dated declination Devonian disc disturbances Donations east elected feet thick fissure formation Fraley Franklin Institute Geological gravity gray hard Hayden Hills Historical Society horizon inches iron January Judge Kentucky lamellæ Lesley letter Library were announced Library were received lignite limestone London magnetic March Meeting meteors miles Missouri Missouri River motion mountains nearly neutral point observations Paint Creek Pending nominations Pennsylvania petroleum Philadelphia Philosophical Society plants plate polarity present President Prof referred remarkable River rock sand sandrock Sandstone septum Shale Soapstone Society was adjourned solar species specimens Spirifera stone stream surface temperature tion Trego upper valley variation Venango County wood