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CANADA 
DEPARTMENT OF MINES 
Hon. T. A. Crerar, Minister; Charles Cambell, Deputy Minister 
NATIONAL MUSEUM OF CANADA 
W. H. Collins* Acting Director 
BULLETIN No. 77 
Geological Series, No. 52 
Hooded Hadrosaurs of the Belly 
River Series of the Upper Cretaceous 
By 
C. M. Sternberg 
Musculature and Functions 
in the Ceratopsia 
By 
L. S. Russell 
OTTAWA 
J. 0. PATENAUDE, I.S.O. 
PRINTER TO THE KING'S MOST EXCELLENT MAJESTY 
1935 
Price , 25 cents 
