Proceedings of the American Philosophical Society Held at Philadelphia for Promoting Useful Knowledge, Томи 41 – 42The Society, 1902 |
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Сторінка 137
... Cretaceous . The general results given in my paper in the Revista do Museu Paulista , Vol . II ( abstract in English , p . 372 ff . ) , have not been essentially changed , either by my later investigations or by those of Dr. Ortmann ...
... Cretaceous . The general results given in my paper in the Revista do Museu Paulista , Vol . II ( abstract in English , p . 372 ff . ) , have not been essentially changed , either by my later investigations or by those of Dr. Ortmann ...
Сторінка 207
... Cretaceous which overlies the older beds, probably Jurassic and Lower Cretaceous, and underlies the Fort Union, which here contains mammalian remains, correlating it with the Torrejon of New Mexico; (2) the excellent exposures of the ...
... Cretaceous which overlies the older beds, probably Jurassic and Lower Cretaceous, and underlies the Fort Union, which here contains mammalian remains, correlating it with the Torrejon of New Mexico; (2) the excellent exposures of the ...
Сторінка 207
... Cretaceous which overlies the older beds , probably Jurassic and Lower Cretaceous , and underlies the Fort Union , which here contains mammalian remains , córrelating it with the Torrejon of New Mexico ; ( 2 ) the excellent exposures of ...
... Cretaceous which overlies the older beds , probably Jurassic and Lower Cretaceous , and underlies the Fort Union , which here contains mammalian remains , córrelating it with the Torrejon of New Mexico ; ( 2 ) the excellent exposures of ...
Сторінка 209
... Cretaceous and Lower Tertiary forma- tions in this locality , and to give a little light tending toward the clearing up of the problem concerning the boundary between the Mesozoic and the Cenozoic ages in the Rocky Mountains , I will ...
... Cretaceous and Lower Tertiary forma- tions in this locality , and to give a little light tending toward the clearing up of the problem concerning the boundary between the Mesozoic and the Cenozoic ages in the Rocky Mountains , I will ...
Сторінка 210
... weather into " bad land " forms . The material is principally rather soft sandy clay , with hard , almost black concre- tions and hard sandstone layers . In the latter there 210 DOUGLASS - CRETACEOUS AND LOWER TERTIARY . [ April 3 ,
... weather into " bad land " forms . The material is principally rather soft sandy clay , with hard , almost black concre- tions and hard sandstone layers . In the latter there 210 DOUGLASS - CRETACEOUS AND LOWER TERTIARY . [ April 3 ,
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Africa AMER AMERICAN PHILOSOPHICAL SOCIETY animals appear April Asia Australia auta autic beds belong blastopore body brachiopods Cambaroides Cambarus canals cells Central chromosomes cœlom connection contains crude oil Crustacea crystals curves Decapods deposits distillates distribution division domeykite drones eggs enteron Eocene equation evidence existence fact fauna Feb'y fertilization follicle formation forms fossils freshwater genera genus geographer geological Greater Antilles hydrocarbons islands Jan'y Jurassic land larva larvæ later Lower Cretaceous male mantle mass Mesozoic method Mexico Miocene nature Noctua North northern nuclei observed Ocean Oligocene origin parthenogenesis Pennsylvania petroleum Philadelphia PHILOS plate Pliocene polar body posterior Potamobius present probably PROC produced Prof queen region relation represented river sandstones separated shown solution South America southern species spermatocyte spermatogonia spermatozoa stage Terebratulina Tertiary theory tion Upper Cretaceous Zool