BIOTIC ASSOCIATIONS OF COCKROACHES — ROTH & WILLIS 273 



Sphaerodactylus sp. 



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

 above lizard is found in houses. 



Thecadactylus sp. 



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

 above hzard is found in houses. 



Undetermined geckos 



Natural prey. — Cockroaches, AustraHa, Flinders River (Froggatt, 

 1906) : The lizard lived in the walls of the hut and hunted cockroaches 

 upon the roof at night. Arno Atoll (Usinger and La Rivers, 1953). 



Family IGUANIDAE 

 Anolis carolinensis Voigt 

 Experimental prey. — Diploptera punctata, U.S.A. (Eisner, 1958), 



Anolis cristatellus Dumeril and Bibron 



Natural prey. — Blattella sp., Cariblatta delicatula, Epilampra 

 wheeleri, Periplaneta americana, Periplaneta australasiae, and Sym- 

 ploce flagellata, Puerto Rico (Wolcott, 1924) : The last-named cock- 

 roach may have been 6*. ruficollis Rehn and Hebard, the females of 

 which are hard to distinguish from flagellata. Rehn and Hebard 

 (1927) stated that in all probability flagellata does not occur on the 

 island of Puerto Rico. Wolcott (1950) stated that Symploce ruficollis 

 [ = bilabiata] serves as food for the crested lizard. 



Cockroaches, Puerto Rico (Schmidt, 1920) : Of 100 stomachs ex- 

 amined, 16 contained Orthoptera, including cockroaches. Puerto Rico 

 (Wolcott, 1924) : One hundred A. cristatellus had eaten 8 cock- 

 roaches, 4.14 percent of the total food, or 25 percent of the food for 

 8 lizards. 



Anolis pulchellus Dumeril and Bibron 



Natural prey. — Cockroaches, Puerto Rico (Wolcott, 1924) : Two 

 small cockroaches found in 50 lizards examined. 



Anolis equestris Merrem 



Experimental prey. — Neostylopyga rhombifolia, U.S.A. (Eisner, 

 personal communication, 1958.) 



