84 BULLETIN 32, UNITED STATES NATIONAL MUSEUM. 



Tantilla reticulata Cope, loc. cit., 1860, p. 77. 



Veragua, Panama, Mitchell. 

 Tantilla virgata Giiuther; Microdromus virgatus Gunther, 1872, p. 17, pi. iv; Roma- 

 locranium virgatum Bocourt, Miss. Sci. Mex., p. 585, pi. xxxvi, fig. 4. 

 Costa Rica, Salvin. 

 Tantilla veumiformis Hallowell; Cope, Proc. Acad. Phil., 18tJl, p. 74 ; Lioninia ver- 

 viiformis Hallowell, loc. cit., 18G0, p. 484. 

 Nicaragua, Slim])son. 

 Tantilla miniata Cope, Proc. Acad. Phila., 1863, p. 100; (" mmiaior," errore typogr.) 



Mirador, Vera Cruz, Sartorius. 

 Tantilla bimaculata Cope, Journ. Acad. Phila., 1875, p. 143. 



Mazatlau, Bischoff. 

 Tantilla planiceps Blainville, Baird and Girard, Catal., p. 154. 



Lower California, Botta. 

 Tantilla calamarina Cope, Proc. Acad. Phila., 1866, p. 320. 



Guadalaxara, Major; Puebla, Comision Geografica ; Valleys of Toluca or Mexico, 

 Eoge. 



Cercocalamus Giiuther. 



Ann. and Mag. Nat. Hist., 1863, January. 

 Cercocalamus collaris Giinther, loc. cit., pi. iii, fig. A. 

 " Central America," Giinther. 



' Enullus Cope, 



Peabody Acad. Sciences, Salem, 1869, p. 80; Proc. Amer. Philos. Soc, 1870, p. 558. 

 Enulius murinus Cope, Proc. Amer. Philos. Soc, 1870, p. 558. 

 Nicaragua, MacNiel. 



Leptocalamus Giiuther. 



Ann. Mag. Nat. Hist., 1872, p. 16. 



Leptocalamus unicolor Fischer; Geophisunicolor Fischer, Abhaudl. d. Natur.-Wiss, 

 Vereins Bremen, 1881, p. 227. 



"Mexico," Fischer. 



As Fischer remarks, this speciesshould be geuerically distinguished from i?/'a6f?osoj«a 

 ou account of the presence of a long posterior maxillary tooth, the dentition being 

 syucranterian. The other characters are, two nasal scuta ; loreal reaching the eye ; 

 no preocular ; one pair geueials ; anal double. 



Elapoidis Boie. 



Isie von Oken, 1827, p. 519 ; Dum. Bibr., Erp. G6u., vii, p. 123 ; Jau, Arch. p. Zoologia, 

 1862 ; Catostoma Wagler, Nat. Syst. d. Amphib., 1830, p. 194 ; Geophis Wagler, loc. 

 cit., p. 342. 



Elapoidis chalyb.eus Wagl. ; Catostoma chalyhaum Wagh^, Nat. Syst. Amphib.^ 

 1830, p. 194 ; Elapoidis sitboldii Jan, Arch, per la Zoologia, Modeua, ii, 1862, p. 21 • 

 Iconographie d. Ophidiens, livr. 12, pi. i, fig. 4 ; Geophis chali/bceus "Wagler," Bo- 

 court, Miss. Sci. Mex., p. 530. 

 Guatemala, Bocourt ; mountains south of plateau, Sartorius. 



Elapoidis psephotus Cope; Catostoma psephotum Cope, Journ. Acad. Phila., 1875, 

 p. 146. 

 Costa Rica, Gabi. 



