40 BULLETIN 32, TtNITED STATES NATIONAL MtlSEtfM. 



IIELODEKMID^. 



Gray ; Cope, Proc. Acad. Nat. Sci. PliiLi., 1864, '228 ; 1866, 322. 



Heloderma Wiegmanii. 



Helodkrma iiorriduji Wiegmann, Isis, 1829, p. 627; HcrpctoJogia Mexicana 1834, pi. i, 

 Gray, Catal. Liz. Brit. Mus., 1845. 

 Tebiiautcpec, Sumichrast ; Presidio, West Mexico, Forrer. 



ANGUID^. 



Boulenger, Aun. Mag. Nat. Hist., 1884, 121, Do. + Gen7io?/oMfZa', Cope, Proc. Acad. Nat. 

 Sci.PIiila., 1864,228. 



Gerrhonotus Wiegmann. 



Herp. Mes., 1834, p. 31, Isis, 1828, p. 370 ; Ptei-ogasterus Peale and Green, Journ. Acad. 

 Phila., 1830, p. 233. 



Gerrhonotus liooephalus Wiegmann, Beitr. zur Ampbib.,Isi8, 1828, p. 379; Bo- 

 court, Miss. Sci.auMex.,iii, Rept.,p. 342, jjl. xxi A, figs. l-2-2a; Gerrhonotus tessela- 

 tns Wiegmann, Herp. Mex., 1834, pars, i, p. 32, pi. x, fig. 3 ; Id., Dum. et Bibr., Erp. 

 G6n., Hist. Kept., t. v, 1839, p. 405 ; Id., Gray, Catal. spec. Liz. Brit. Mus., 1845, p. 53; 

 Id., Aug. Dum6ril, Catal. Rept. Mus. Paris, 1851, p. 143; ? Gerrhonotus infernalis 

 Baird, Proc. Acad. Pbila., 1858, p. 255; Id., Emory's U.H. & Mex. Bound. Surv., 

 1859, p. 11; Cope, Proc. Acad. Pbila., 1866, p. 322; (rerrhonotns lemniscatns liocoiwt, 

 Arch. MuH. Bull., t. vii, 1872, p. 105 ; Id., O'Sbaugbnessy, Ann. and Mag. Nat. Hist., 

 1873, p. 45. 

 Vera Cruz, Sartorius ; Puebla, Comision Creogrdfica ; Oaxaca, Guanajuato, Dug^s, 



Gerrhoxotus OPHIURUS Cope, Proc. Acad. Pbila., 1866, 322. 

 Orizaba, Vera Cruz, Sumichrast. 



Gerrhonotus ventralis Peale et Green, Cope, Proc. Acad. Pbila., 1866, p. 3215 

 Fterogasterus ventralis Peale et Green, Journ. Acad. Pbila., 1830, vi, p. 233.* 

 Probably valley of Mexico, E. D. Cope. 



Gerrhonotus .aiodestus Cope ; Fterogasterus modeslus Cope, Proc. Acad. Pbila., 1877, 

 p. 97. 

 ? Guatemala. 



Gerrhonotus deppei Wiegmann, Herp. Mex., 1834, p. 32, pi. ix, fig. 3; O'Sbaugb- 

 nessy, Ann. and Mag. Nat. Hist., 1873, p. 45 ; Cope, Proc. Amer. Philos. Soc, 1877, 

 p. 9G; Bocourb, Miss. Sci. au Mex., iii. Kept., ]). 325, pi. xxi A, figs. 3-3a.; Abronia 

 deppei Gray, Ann. and Mag. Nat. Hist., ii, p. 389 ; Catal. spec. Liz., 1845, p. 53. 

 Mexico, Deppe. 



Gerrhonotus taeniatus Wiegmann, Isis, 1828, p. 379 ; Id., Herp. Mex., 1834, p. 32, pi. 

 ix, fig. 1 ; Id. Dum. et Bibr., Erp. G6n., t. v, 1839, p. 399 ; O'Sbaugbnessy, Ann. and 

 Mag. Nat. Hist., 1873, p. 45; Id., Cope, Proc. Amer. Pbilos. Soc, 1877, p.96(10tli 

 C. H. T. A.); Bocourt, Miss. Sci. auMex., iii, Eept., p. 327, pi. xxi A, figs. 4-4a-5; 

 Abronia taeniata Gray, Catal. spec. Liz. Brit. Mus., 1845, p. 53. 

 Orizaba, SHmich7'ast. 



*Additional specimens of this species confirm the validity of the character I assigned to this species 

 as above, as distinct from the G. liocephalus. Those are the longer body .and shorter limbs, the pres- 

 ence of a large single preocular plate instead of two, and the nuiform coloration. I add that the inter- 

 parietal plate is longer and narrower, .and in one specimen now before me the anterior two internas.als 

 are both in fiont ol' t!ic nasal plate instead of one being above it. In this specimen there is no anterior 

 interfi-ontonasal. 



