GEOLOGICAL SURVEY OF CANADA 



ROBERT BELL, M.D., Sc.D. (CANTAB), LL.D., F.R.S. 



CAMBRIAN EOCKS 



CAPE BRETON 



G. F. MATTHEW, LL.D., D.Sc., F.R.S.C. 



OTTAWA 



PRINTED BY S. E. DAWSON, PRINTER TO THE KING'S MOST 

 EXCELLENT MAJESTY. 



1903 



