64 BULLETIN 32, UNITED STATES NATIONAL MUSEUM. 



Ren'a dugesi Bocourt; Siagonodon dugesi Bocourt, Miss. Sci. iiii Mex., Rei)tilo8, p. M?, 

 pi. xxi, fig. 9; XXX, fig. 4. 

 Guanajuato, Duges. 

 Kena iiumilis Baird, Girard, Catal.,loc. cit., p. 143 ; Stenostoma humilc Cope, Check 

 List Batr. Kept. N. Amer., p. 44. 

 Lower California, Belding. 



epa:^^odonta. 



TYPHLOPID^. 



Typhlops Schn. 

 Dum.et Bibr.,vi,279. 



Typhlops microstomus Cope, Proc. Acad. Phila., 1866, 125. 



Yucatan, Schott. 

 Typhlops basimaculatus Cope, Proc. Acad. Phila. , 1866, p. 320 ; TijiMops perditus Pe- 

 ters, Monatsbor. Acad. Berlin, 1869, p. 435. 

 Cordova and Orizaba, Sumichrast. 

 Typhlops tenuis Salvin, Proc. Zool. Soc. London, 1860, p. 454. 

 Guatemala, Salvin. 



Helminthophis Pet(^rs. 



Monatsber. K., Akad. Wiss., 1860, p. 517. HioUipMops Jan, Arch. p. 1. Zoologia, i, 1861, 



p. 186. 

 Helminthophis FRONTALIS Peters, loc. cit., fig. 1 : Bocourt, Miss. Sci. Mex., 502, pi. xxx, 

 fig. 2. 

 Costa Rica, Hoffman. 



Liotyphlops Peters. 



Gesellsch. Nat. Freunde Berlin, 1881, 69. 



Liotyphlops albirostris Peters, Monatsber. Berl. Akad. Wiss., 1881, p. 69; Bocourt, 



Miss. Sci. Mex., 501, pi. xxx, fig. 1 ; Rliinotyphlops albirostris Peters, Monatsber. Ak. 



Wis. Berlin, 1857, p. 402. 

 Veragua, Central America, Peters. 



Anomalepis Jan. 



Jan et Sordelli Iconogr. des Ophidiens, 1864, p. 6. 



Anomalepis mkxicanus Jan, loc. cit., pis. v, vi, fig. 1 ; Bocourt, Miss. Sci. Mex., 503, pi. 

 xxix, figs. 4, 5. 

 "Mexico," Jan. 



ASINEA. 



PYTHONID^. 



Loxocemus Cope. 



Proc. Acad. Phila., 1861, pp. 76-304. 



Loxocemus bicolor Cope, loc. cit., Giinther, Ann. and Mag. Nat. Hi.st.,1863; Loxo- 

 cemus siimichrastii Bocourt, Journ. de Zoologie, 1876, p. 404 ; Platoseryx brounii Jan, 

 Elenco, 1663, p. 20 ; Icouographied. Ophidcns 3d Liv. pi. 3. 

 Guatemala, Dow; Tehuantepec, Sumichrast ; Colima, Xanlus. 



CHARINID^E. 



Charina Gray. 



Catal. Brit. Mus., 1849, p. 113 ; IVenona Baird, Girard, Catal. N. Am. Reptiles, Serpents, 



p. 139, 1853. 

 Charina bottje Blainv., Nouvelles Ann. Mus. Hist. Nat., iii, 1834, p. 57. 

 ^ower California, Botta. 



