GEOLOGICAL SURVEY OF CANADA. 



SIR W. E. LOGAN, P.R.S., DIRECTOR. 



PALEOZOIC FOSSILS. 



VOLUME I. 



CONTAINING DESCRIPTIONS AND FIGURES OF NEW OR LITTLE KNOWN 

 SPECIES OF ORGANIC REMAINS 



FltOM THE 



SILURIAN EOCKS. 



1861-1865. 



BY 



E. BILLINGS, F.G.S. 



MONTREAL : DAWSON BROTHERS. 

 LONDON, NEW YORK, AND PARIS : BAILLlfiRE. 



1865. 



