U (^ / ^ Vol. 78, pp. 141-154 8 October 1965 PROCEEDINGS OF THE BIOLOGICAL SOCIETY OF WASHINGTON THE SMALLER TEIID LIZARDS {GYMNOPHTHALMUS AND BAG HI A) OF THE SOUTHEASTERN CARIBBEAN ' By Richard Thomas Miami, Florida The recent herpetological and ornithological collecting led by Albert Schwartz in the Lesser Antilles has resulted in the acquisition of enough new material o£ the genera Gymnoph-thalmus and Bachia (formerly Scolecosaurus; see below) that an attempt can be made at clarifying their respective statuses in this region. I was fortunate in being able to participate in this collecting and in addition in being able to collect on Tobago and Trinidad in a brief search for pertinent compara-tive material. I wish to express my appreciation to Dr. Schwartz for his support of this work and the use of his collections, here de-noted as the Albert Schwartz Field Series (ASFS), and to the following persons for loan of specimens in their care: Mr. Charles M. Bogert, American Museum of Natural History (AMNH); Miss A. G. C. Grandison, British Museum (Natural History) (BM); Dr. WilHam E. Duelknan, University of Kansas (KU); Dr. Ernest E. Williams, Museum of Compara-tive Zoology, Harvard (MCZ); Dr. Charles F. Walker, Mu-seum of Zoology, University of Michigan (UMMZ); Dr. Doris M. Cochran, United States National Museum (USNM); Pere R. Pinchon, Seminaire College, Fort-de-France, Mar-tinique (SC, specimens unnumbered); and Mr. Dennis R. Paulson (DRP). Specimens from my own private collection have been designated RT, and specimens from my collecting on Trinidad and Tobago by T. In addition, Mr. Paulson and Dr. Williams helped me greatly in obtaining necessary litera-ture, for which they have my appreciation. I also wish to 17— Proc. Biol. Soc. Wash., Vol. 78, 1965 (141)