CANADA 
DEPARTMENT OF MINES 
Hon. T. a. Cberab, Ministeb; Chables Camsell, Deputy Minister 
NATIONAL MUSEUM OF CANADA 
W. H. CoujNS, Acting Director 
BULLETIN No. 80 
Geological Series, No. 53 
Revision of the Genus Calapoecia 
Billings 
BY 
Ian Cox 
OTTAWA 
J. O. PATENAUDE, I.S.O. 
PRINTER TO THE KING’S MOST EXCELLENT MAJESTY 
1936 
Price, 25 cents 
LIBRARY 
NATIONAL MUSEUM 
OF. CANADA >-; V - 
. . . . 
