PLATE IV 
From a photograph by F. Kk. Vreeland 
OSBORN’S MOUNTAIN CARIBOU IN THE ROCKY MOUNTAINS, ABOUT 
FIFTEEN MILES NORTHWEST OF MOUNT SIR ALEXANDER 
From a photograph by E. R. Sanborn. Courtesy of New York Zoological Park 
HERD OF CAPTIVE MUSK-OXEN IN NEW YORK ZOOLOGICAL PARK 
