AUTHOR’S EDITION. 
DEPARTMENT OF THE INTERIOR. 
UNITED STATES GEOLOGICAL AND GEOGRAPHICAL SURVEY. 
F. V. HAYDEN, U.S. Geologist-in-Charge. 
XXXIII.—ON A CARNIVOROUS DINOSAURIAN FROM THE 
DAKOTA BEDS OF VOLORA DO. 
XXXIV.—A CONTRIBUTION TO THE KNOWLEDGE OF THE ICH- 
THYOLOGICAL FAUNA OF THE GREEN RIVER SHALES. 
XXXV.—ON THE GEN US ERISICHTHE, 
BY 
E. D. COPE. 
EXTRACTED FROM THE BULLETIN OF THE SURVEY, Vot. II, No, 4. 
WasHINGTON, August 15, 1877. 
