104 NORTH AMERICAN FAUNA 67 



FiGUEE 36. — All-purpose or cloverleaf trap and drift fence in shrub swamp at 

 Patuxent Wildlife Research Center, Laurel, Md. 



I LEAD OR 



DRIFT FENCE 



_GATHERING 

 CAGE 



I I FUNNEL 



BAFFLE 



1 

 I 



DOOR 



FUNNEL 



1 



RAMP 



FiGUEE 37. — All-purpose or cloverleaf trap. 



