Van Devender, Robert Wayne.Cole, Charles J.2005-10-062005-10-061977http://hdl.handle.net/2246/202312 p. : ill. ; 26 cm.Includes bibliographical references (p. 11-12)."Tantilla vermiformis has been known from only seven specimens, all from Nicaragua, only one of which has precise locality data. We report here the discovery of 25 specimens in Costa Rica and present new information on the biology of the species: distribution, ecology, reproduction, external morphology, osteology, hemipenes, chromosomes and relationships. We designate USNM 32338 as the lectotype"--P. [1].7591189 bytesapplication/pdfen-USTantilla vermiformis.Snakes -- Costa Rica -- Guanacaste.Snakes -- Nicaragua.Reptiles -- Costa Rica -- Guanacaste.Reptiles -- Nicaragua.text