The American Antelope 
15 
ages and sexes, which sometimes perform a sort of migration 
to some region more favorable for winter quarters. In the 
old days some of these winter herds were immense. Major 
J. B. Pond wrote Thompson Seton: ''In the winter of 1868-69, 
I travelled on the new railroad for the first time from Denver 
to Cheyenne. The Antelope had all left the open plains, and 
FIG. 8. PRONGHORN. Antilocapra americana 
Photographed in the City Park, Denver, Colo., by E. R. Warren 
were now sheltering among the foothills. For ten or twelve 
miles in Cache la Poudre Valley, and all the way west of the 
train, about three quarters to one half a mile away, was one 
long band of Antelope, twenty to forty rods wide, practically 
continuous and huddled together for warmth. Their numbers 
changed the color of the country. That winter many wagon- 
loads were brought to Denver and sold, three or four carcasses 
for two bits (25 c.) that being the smallest coin in use." 
