66.7/3 
CAs 
THE CANADIAN JOURNAL 
NEW SERIES. 
No. XXVII.—MAY, 1860. 
ON THE DEVONIAN FOSSILS OF CANADA WEST. 
BY E. BILLINGS, F.G.S. 
Extracted from the Report of the Geological Survey of Canada 
for 1860,—in preparation. 
Tue Devonian Rocks of Canada West consist of portions of the 
Oriskany Sandstone, Schoharie Grit, Onondaga Limestone, Corni- 
ferous Limestone, Hamilton, Portage, and Chemung Groups, The 
fossils of the first of these formations are about to be published by 
Professor Hall, in his forthcoming third volume of the Palceontology 
of New York; and I shall therefore postpone the examination of 
such as we have from that rock until after the appearance of that 
work. Under the term Corniferous Limestone, as it will be used 
hereafter throughout this paper, are included all those rocks which 
would probably in the State of New York be divided into three 
groups,—the Schoharie Grit, Onondaga Limestone, and Corniferous 
Limestone. At any rate, the two latter seem to be in Canada united 
by their paleontological characters. The Hamilton Shales we classify 
as a separate formation immediately overlying the Corniferous Lime- 
stone. The Portage and Chemung Groups are also distinct ; but I 
shall leave the examination of their fossils for some future occasion. 
Vou. V. U 
