GEOLOGICAL SURVEY OF CANADA. 



ALFRED B. C. SELWYN, F.G.S., DIRECTOR. 



palj:ozoic fossils. 



• VOL. II, PART I 



BY E. BILLINGS, F.G.S. 



PALAEONTOLOGIST, G.S.C. 



DAWSON BROTHERS. 

 August, 1874. 



