Marcou’s Geology of North America. 329 
Boston, 1858, p. 42,) attains a very considerable development, 
and according to my observations has a thickness of four or five: 
establishes a connection between the New Red of France and 
that of America.” Thus one single fossil—that one, a species of 
Pine, and only “very much resembling the Pinites Fleurotit 
beds next beneath pa “perhaps Belemnites.” The pra- 
dent observer would have said, “establishes nothing;” and such is 
as Triassic, or “Terrain du Nouveau Gres Rouge.” Such a re- 
gion—1000 miles by 800—would take in quite a respectable 
part of the continent of Europe. | 
_ The Triassic will probably be identified over the Rocky Moun- 
tain Region. But this going ahead of discovery shows more 
agerness than good judgment or science. 
4. Jurassic Rocks in the Rocky Mountains. 
The strata referred by the author to the Jurassic age were ob- 
Served by him over the Llano Estacado and other regions in the 
SECOND SERIES, Vou. XXVI, No. 73.—NOV., 1858. | 
43 m 
