MAMMALIA 



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bait with meat, in a meat-shop bait with grain. Vienna sausage, 

 toasted bacon, toasted cheese, raw meat, fish, apple, vegetables, oat- 

 meal, etc., may be tried; if one substance does not tempt the rats, try 

 others. Put the traps in runways and hidden places. It may be well 





PIG. 152. Guillotine or "snap" rat and mouse traps with wooden bases. 



to wash the traps and handle them with gloves to keep them from 

 smelling of the human hands. 



Another type of trap is the wire cage trap, Fig. 153, which has the 

 advantage of catching under favorable conditions, a number, perhaps a 



FIG. 153. Wire rat trap. xK- 



couple of dozen, rats at one time. Such a trap should be partially 

 covered with boards or sacking and should be baited with some form of 

 bait such as was mentioned above. It is often well to leave the trap 

 open, for a few nights, to get the rats accustomed to going in and out of 



