Natural prey.—Cockroaches, British Guiana (Beebe, 1925a): This is a terrestrial lizard found near clearings. The stomach contents of 4 out of 40 lizards contained cockroaches.

Unidentified lizards

Natural prey.—Cockroaches, West Indies (H., 1800).

Experimental prey.Blatta orientalis, U.S.A. (Rau, 1924): Rau called the predator a common gray lizard.

Periplaneta americana, Germany, Frankfurt am Main, Zoological Garden (Lederer, 1952): Newly molted cockroaches were accepted as food, but others were usually passed by or consumed unwillingly.

Order SERPENTES

Family COLUBRIDAE

Heterodon platyrhinos Latreille

Synonymy.Heterodon contortrix [Dr. Doris M. Cochran, personal communication, 1957].