Prongbuck 217 



But all this permanent residence of one spot seems to be migra- 

 in regions where the winter is mild and the snow light. In the 

 northern part of the range a different habit prevails. At the 

 first heavy snow the Antelope of the Upper Jackson's Hole 

 travel 150 miles southward to the Red Desert. Those on the 

 prairies of the Saskatchewan move into the coulees and brakes, 

 100 miles southward and westward. Those of the Plains near 

 the Rockies go toward the foot-hills, and those on the open 

 country about the Black Hills flock thither from all points of 

 the compass. 



Edwin Carter tells me that the Antelope used to winter 

 in vast numbers about Colorado Springs, and were common 

 in the surrounding country all the rest of the year. 



As noted later. Major James B. Pond told me that during a 

 blizzard in the winter of 1868-9 he saw the Antelope crowded 

 in every sheltered valley along the railway line from Cheyenne 

 to Denver. 



At Medicine Hat, Alberta, I was informed that a snow- 

 storm in winter would concentrate the antelope in coulees and 

 places of shelter. But these are temporary congregations, and, 

 according to Dr. E. L. Munson, a few days of fine weather 

 causes them to scatter again. He also remarks'^ that he *' found 

 Antelope rare during the summer along the Sun River and the 

 Teton, but reasonably plenty in winter." 



Richardson says:'** "Some of them remain the whole year 

 on the South Branch of that river [Saskatchewan], but they are 

 merely summer visitors to the North Branch [about 200 miles 

 away]. They come every year to the neighbourhood of Carl- 

 ton-house, when the snow has mostly gone, * * * and 

 they retire to the southward again in the autumn as soon as 

 the snow begins to fall." Then he adds an item which affords 

 interesting light on the relentless process of developing a 

 migratory instinct. "Almost every year [he says] a small herd 

 lingers on a piece of rising ground not far from Carlton-house, 

 until the snow has become too deep on the Plains to permit 

 them to travel over them. Few, or none of that herd, however, 



'« Loc. cit. >» F. B. A., 1829, 1, p. 263. 



