U. S. GEOLOGICAL SI'UVEY 



MONOGRAPH 65 PLATE CCXXXVI 



SKELETONS OF MEGACEROPS ACER, MALE AND FEMALE 



Mounted in the Colorado Museum of Natural History, Denver, by J. D. Figgins, Director. Photograph furnished by courtesy of Mr. Figgins. 

 Height of male to top of dorsal spine, 1,759 millimeters. One twenty-fifth natural sije 



