Bull. 1078, U. S. Dept. of Agriculture. 



PLATE VI. 



Fig. I. — Pitfall for Catching Beavers. 



This should be dug across a beaver trail, 5 to 6 feet deep, and lined with boards or tin around the 

 sides at the bottom to keep the beavers from digging out. Three beavers were caught in three 

 successive nights in the pit illustrated. 



Fig. 2. — Heavy Trap for Catching Beavers Alive in Water. 



This was used with success bv field assistants of the Biological Survey, but is too heavy and ex- 

 pensive for general use. Weight ib pounds: cost about S50. A trap of similar type is illustrated 

 in text Figure 7 (p. 21). (Photograph by T. H. SchefEer.) 



