Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Том 69American Philosophical Society, 1930 |
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Сторінка 133
American Philosophical Society. UPPER CRETACEOUS DINOSAUR FAUNAS OF NORTH AMERICA By LORIS S. RUSSELL ( Read February 7 , 1930 ) THERE is an unfortunate tendency on the part of some palæontologists to discuss the fossil vertebrates of North ...
American Philosophical Society. UPPER CRETACEOUS DINOSAUR FAUNAS OF NORTH AMERICA By LORIS S. RUSSELL ( Read February 7 , 1930 ) THERE is an unfortunate tendency on the part of some palæontologists to discuss the fossil vertebrates of North ...
Сторінка 134
American Philosophical Society. Western Europe Central North - western Southern Southern New Jersey Wyoming Colorado Montana Montana Alberta Saskatchewan North - western New Mexico Hornerstown Fort Union Tullock Willow Creek Paskapoo ...
American Philosophical Society. Western Europe Central North - western Southern Southern New Jersey Wyoming Colorado Montana Montana Alberta Saskatchewan North - western New Mexico Hornerstown Fort Union Tullock Willow Creek Paskapoo ...
Сторінка 158
... North America . To this stage may be referred the dinosaurs of the Lance , Hell Creek , Ravenscrag , Laramie , Arapahoe , and Denver formations . These are all presumably of Danian age . It might be preferable to designate these stages ...
... North America . To this stage may be referred the dinosaurs of the Lance , Hell Creek , Ravenscrag , Laramie , Arapahoe , and Denver formations . These are all presumably of Danian age . It might be preferable to designate these stages ...
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Why the 200Inch Teleschope By ELIHU THOMSON | 13 |
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