THE 



CANADIAN EECOBD 



OF SCIENCE. 



VOL. VI. JULY, 1895. No. 7. 



Descriptions of eight new species of fossils from 

 the (Galena) Trenton limestones of Lake Winnipeg 



AND THE ItED KlVER VALLEY. 



By J. F. White aves. 



The following descriptions are communicated, by per- 

 mission of the Director of the Geological Survey of 

 Canada, for publication in advance of an official Eeport on 

 the fossils of the Cambro-Silurian rocks of Lake Winnipeg 

 and its vicinity, now in course of preparation by the 

 writer, in which it is hoped that these and many other 

 species will be fully illustrated. This Iieport is intended 

 to form the third part of the third volume of the 

 " Palaeozoic Fossils " of Canada. 



ALG^E. 



Chondrites patulus. (Sp. nov.) 



Thallus frondose, continuous, spreading widely in the 

 same plane, and consisting of a thin, uniformly lln.i 

 expansion, devoid of midrib or veins, which is doubly, 

 deeply and widely trifnrcate at a short distance from the 

 laterally expanded base of attachment, with the secondary 



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