184. HOMAiooEiNixna:. 221 



a. g (¥.159; C.44). Duenas, Guatemala. O. Salvin.Eaq. [01 



h. $ (V. 147 ; 0. 49). Guatemala. F. D. Godman, Esq. ) 



[P-]- [ 



c. ? (V. 136 ; 0. ?). Hacienda Rosa de Dr. Rothscliuh [C.]. ( 



Jerieho, Nicaragua. } 



(Types oiH.jani.) 



9. Homalocranium boulengeri. 



Homalocranium boulengeri, Gunth. Biol. C.-Am., Rept. p. 148, 

 pi. lii. fig. F (1895). 



Eye not half as long as the snout. Eostral a little broader than 

 deep; internasals more than half as long as the praefrontals; frontal 

 hexagonal, obtuse-angled in front, acute-angled behind, scarcely 

 longer than broad, longer than its distance from the end of the 

 snout, shorter than the parietals ; nostril between two nasals, the 

 posterior of which is in contact with the preeocular ; two post- 

 oculars ; temporals 1 -1- 1 ; seven upper labials, third and fourth 

 entering the eye; jfirst lower labial in contact with its fellow behind 

 the symphysial ; four lower labials in contact with the anterior 

 chin-shields, which are longer than the posterior. Scales in 15 

 rows. Ventrals 161 ; anal divided; subcaudals 46. Uniform red 

 above ; head black, with the sides of the snout, a spot on the lip 

 l)ehind the eye, and a cross-bar on the occiput yellowish ; lower 

 parts whitish. 



Total length 240 millim. ; tail 40'. 



Mexico. 



a. c? (V. 161 : 0. 46). Huatuzco, Vera Cruz. F. D. Godman, Esq. 



[P.]. (Type.) 



10. Homalocranium scMstosum. 



Homalocranium schistosum, Bocourt, Miss. Sc. Mex., B^pt. p. 584, 

 pi. xxxvi. fig. 10 (1883) ; GiXnth. Biol. C.-Am., Rept. p. 152 (1895). 

 Tantilla schistosa, Cope, Bull. U.S. Nat. Mus. no. 32, 1887, p. 83. 



Eye not half as long as the snout. Eostral a little broader than 

 deep, visible from above ; internasals about half as long as the prse- 

 frontals ; frontal hexagonal, obtuse-angled in front, acute-angled 

 behind, scarcely longer than broad, a little longer than its distance 

 from the end of the snout, shorter than the parietals ; nostril be- 

 tween two nasals, the posterior of which is in contact with the 

 prseocular; two postoculars ; temporals 1 -f- 1 ; seven upper labials, 

 third and fourth entering the eye ; first lower labial widely sepa- 

 rated from its fellow, the symphysial being in contact with the 

 anterior chin-shields ; three or four lower labials in contact with 

 the anterior chin-shields, which are longer than the posterior. 

 Scales in 16 rows. Ventrals 121-135 ; anal divided ; subcaudals 

 32-38. Dark brown above, snout and a cross-bar on the occiput 

 yellowish ; lower parts yellowish. 



Total length 220 millim. ; tail 42. 



Mexico, Guatemala, Nicaragua. 



