Practical Game-Preserving. 



362 



plan of the trap, A being the inner compartment with the 

 dotted line showing the cage which is dropped into it ; 

 B, B, B, B, are the entrances, working as in Fig. 54. 

 The rats wishing to enter, attracted by a tame brown one, 

 which is in the cage at A, and well provided with food, 

 work round and round till they come to the openings at B, 

 and pushing in, as shown in Fig. 54, get into the body of 

 the trap, when the flap c falls down again, thus preventing 

 their getting out. 



At Fig. 55 is an illustration of another kind of rat- 



Fig. 55. Frost's Rat-Trap 

 (Section). 



Fig. 56.- Frost's Rat-Trap 

 (Front View, Shut). 



trap, which I consider an improvement on the old form of 

 cage-trap, and if a treadle bridge were substituted for 

 the bait on the hook it would be still better. It is made 

 of galvanised wire, the bottom being oblong, about i5in. 

 to i8in. long by 6in. wide; the top and ends form a semi- 

 circle, and the sides are flat. A B (Fig. 55) is the door 

 which slides over the top, leaving the front open, and is 

 held in the ordinary manner with the wire loop, C, by 

 the hook, D. At each bottom corner of the door is a lever, 

 E, twisted round a wire at G, and attached to a coiled 

 spring, F. Immediately the bait is touched the door is 

 released, and the springs, acting on the levers, close the 



