128 Pbofograpby for the Sportsman Naturalist 



spot we have baited, screen it well so that it 

 will be invisible to the sharp, inquisitive eyes of 

 our sitter, and, with ourselves hidden at the end of 

 seventy-five or one hundred feet of the rubber 

 tubing, wait for our subject to put in his appear- 

 ance. Whether we obtain a picture or not 

 depends entirely upon our ability to wait patiently 

 and quietly for an indefinite period. The one 

 absolutely necessary precaution is quietness. 

 The smaller mammals are easily frightened by 

 any unexpected movement or noise, and slight 

 carelessness on the part of the operator will often 

 cause them to leave and not return for a number 

 of hours, if, indeed, they will do so again that 

 same clay. 



Mr. Carlin, using this method, did some remark- 

 able work on the small mammals of the Bitter Root 

 Mountains. Among these he secured several fine 

 pictures of the Rocky Mountain pika, or, as it is 

 locally called, the little chief hare. These are 

 the only photographs, of which I know, that have 

 ever been secured of this interesting little animal. 

 Of him Mr. Carlin says : " He lives in certain 

 parts of the Rocky Mountain system among the 

 great masses of broken slide rock, and in many 

 ways is one of the most interesting little animals 

 on our continent. In the lower altitudes, say 

 about four thousand feet, he is out and about a 

 good deal of the winter, but in the high altitudes, 



