C'O.W. 
JUL 2 9 1236 
CANADA 
DEPARTMENT OF MINES 
Hon. T. a. Cbbrar, Minister; Charles Camseu., Deputy Minister 
NATIONAL MUSEUM OF CANADA 
W. H. Collins, Acting Director 
BULLETIN No. 80 
Geological Series, No. 53 
Revision of the Genus Calapoecia 
BilUngs 
BY 
Ian Cox 
OTTAWA 
J. O. PATENAUDE, I.S.O. 
PRINTER TO THE KING’S MOST EXCELLENT MAJESTY 
1988 ' 
' 
Price, 25 cents 
