tv^ 



((1,0 ^S 



Thi.s publication is intended to contain desci'ij^tions and figures of some 

 of the organic remains of the Mesozoic rocks of the Dominion. 



The present Part is devoted to a monograph on tlie Invertehrata 

 collected l)y Mr. .James l\icliards(>ii fi'om the Cnal-i)earing rocks of the 

 Queen Charlotte Islands, in the summer of 1872. 



The tigures, Plates I. to X., have been drawn from nature and litho- 

 graphed b}- Mr. A. H. Foord, F.G.8., the artist to the Survey. 



ALFEKD E. C. SFLWYN. 



Geological Survey Ofkick, f^ 

 Montreal, November oOf/t, 187<J. J 



