The American Journal of Science, 204. sējumsJ.D. & E.S. Dana, 1922 |
No grāmatas satura
1.–5. rezultāts no 89.
40. lappuse
... beds of the Middle Eocene . THE SUBDIVISIONS OF HYRACHYUS . Hyrachyus agrestis Group . Hyrachyus agrestis Leidy 1871 , genoholotype . Hyrachyus agrarius Leidy 1871 , synonym . Hyrachyus bairdianus ( Marsh ) 1871 . This group , besides ...
... beds of the Middle Eocene . THE SUBDIVISIONS OF HYRACHYUS . Hyrachyus agrestis Group . Hyrachyus agrestis Leidy 1871 , genoholotype . Hyrachyus agrarius Leidy 1871 , synonym . Hyrachyus bairdianus ( Marsh ) 1871 . This group , besides ...
42. lappuse
... beds near Fort Bridger , Wyoming , by O. Harger in 1871 , consists of a fairly complete skull and jaws , with all the dentition except 12.3 and P1 . The series of lower teeth measure precisely the same as do those of the type of H ...
... beds near Fort Bridger , Wyoming , by O. Harger in 1871 , consists of a fairly complete skull and jaws , with all the dentition except 12.3 and P1 . The series of lower teeth measure precisely the same as do those of the type of H ...
53. lappuse
... beds were orig- inally not sufficiently defined , and especially that between the most important beds , E , and E2 , which was somewhat arbitrary owing to the gradual passage of one into the other ; there has also been a change of ...
... beds were orig- inally not sufficiently defined , and especially that between the most important beds , E , and E2 , which was somewhat arbitrary owing to the gradual passage of one into the other ; there has also been a change of ...
54. lappuse
... beds named above have led to results here communicated . " The limit between the Upper Ordovician ( Barrande's Bande D5 ) and the Lowest Silurian beds in central Bohemia is a very sharp one , both from the petrographic and the ...
... beds named above have led to results here communicated . " The limit between the Upper Ordovician ( Barrande's Bande D5 ) and the Lowest Silurian beds in central Bohemia is a very sharp one , both from the petrographic and the ...
55. lappuse
... beds . EB Priodon beds . ᎬᏰ - E1y Dubius beds . Εγ About thirty years ago Jahn ( 1. c . ) proposed to desig- nate as E1a the graptolitic shales in which the calcareous concretions are absent , and the upper part of E , ( shales with ...
... beds . EB Priodon beds . ᎬᏰ - E1y Dubius beds . Εγ About thirty years ago Jahn ( 1. c . ) proposed to desig- nate as E1a the graptolitic shales in which the calcareous concretions are absent , and the upper part of E , ( shales with ...
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Citi izdevumi - Skatīt visu
Bieži izmantoti vārdi un frāzes
ammonium chloride appears aragonite atoms bands barium basalt Bayer's beds biotite bowlders brachiopods calcite canine cent chemical chloride clays colloidal color composition compound cone cone-in-cone Cope crystalline crystals deposits described determined Devonian diameter Dinictis Eocene evidence fanglomerates fault plane fauna feet feldspar formation fossils gabbro genus Geological Glass gneiss granite graptolites Holotype Hyrachyus igneous indices John Day JOUR lake Laue photographs layer length leucite limestone liquid lower Marsh mass material measurements melting method miles minerals Miocene mixture molar Nimravus Nimravus debilis occur orthoclase oxide Payette platycopis Pogonodon Pogonodon davisi posterior premolars present probably quartz lode quartzite Reagan refraction region ridge rocks salt sandstone SCI.-FIFTH SERIES sediments serrulidens shales silicates skull solution space groups sparagmite species specimen stibnite strontium structure surface symmetry temperature thickness tion Triassic trilobites U. S. Geol upper zone