Under the general title of '' (^Idntributions to Canadian Palajontology'' 

 it is proposed to pul)lish, from time to time, such papers as cannot be 

 conveniently included in either, of the volumes on the PaliBozoic or 

 Mesozoie Fossils of ( 'anada now in course of preparation. These 

 papers and the plates which illustrate them will be paged and num- 

 bered consecutively, and an index will be prepared for each volume as 

 soon as completed. 



The part now presented contains a desci-iptive report on the fossils 

 collected by Dr. (t. M. Dawson and other officers of the Survej^ in the 

 years 1881-S4, both inclusive, from the Laramie and Cretaceous rocks 

 of the Bow and Belly Eiver district. It consists of eighty-nine pages of 

 letterpi-ess, illustrated by eleven lithographic plates. 



ALFEBD E. C. SBLWYN. 



(teological and Natural History Survey Office, 

 Ottawa, 4th Aug., 1885. 



