BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 283 



Class MAMMALIA" 



Order MARSUPIALIA 



Family DIDELPHIDAE 



Monodelphis sp. 



Natural prey. — Cockroaches, British Guiana (Beebe, 1925a) : The 

 above opossum is nocturnal and arboreal but nests on the ground in 

 grass. 



Order INSECTIVORA 



Family ERINACEIDAE 



Erinaceus europaeus Linnaeus 



Experimental prey. — Blattella germanica, France (Brumpt and 

 Urbain, 1938) : Two hedgehogs were fed cockroaches infested with 

 Prosthenorchis elcgans and P. spirilla. 



Erinaceus sp. 



Common name. — Hedgehog. 



Natural prey. — Cockroaches, England (Samouelle, 1841 ; Cowan, 

 1865). 



Order CHIROPTERA 



Family MOLOSSIDAE 



Molossus sp. 



Natural prey. — Cockroaches, British Guiana (Beebe, 1925a) : The 

 above bat is a common house bat of the area. 



Order PRIMATES 



Family LEMURIDAE 



Lemur coronatus Gray 



Natural prey. — Blattella germanica, France (Brumpt and Urbain, 

 1938) : The monkey apparently became infested naturally with Pros- 

 thenorchis spirula for which B. germanica was the intermediate host 

 in the monkey house. 



Lemur fulvus E. Geoffrey 



Natural prey. — Blattella germanica, France (Brumpt and Urbain, 

 1938) : See comment under Lemur coronatus. 



1° Classification of Mammalia follows Simpson (1945). 



