218 COLUBEIDJB. 



4. Homalocranium longifrontale. (Plate IX. fig. 3.) 



Homalocranium longifrontale, Bouleng, Ann, 8f Mag. N. H. (6) xvii, 

 1896, p. 17. 



Eye about lialf as long as the snout. Eostral broader than deep, 

 just visible from above ; internasals not half as long as the prae- 

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

 behind, twice as long as broad, much longer than its distance from 

 the end of the snout, shorter than the parietals ; nostril between 

 two nasals, the posterior widely separated from the preeocular ; two 

 postooulars ; temporals 1 -|- 1 ; seven upper labials, third and fourth 

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

 the syraphysial ; four lower labials in contact with the anterior 

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

 rows. Ventrals 158 ; anal divided ; subcaudals 85. Pale brown 

 above, with five dark brown longitudinal lines; head and nape 

 black ; a yellow band across the snout ; a yellow blotch on each 

 side of the head behind the eye, a round yellow spot on each side 

 of the vertex, between the supraocular and the parietal, another 

 pair on the back of the head between the parietal and the second 

 temporal, and a yellow dot on each parietal near the median suture; 

 the black of the nape bordered with yellow behind ; a series of 

 blackish dots along the outer row of scales ; lower parts white. 



Total length 280 millim. ; tail 83. 



Colombia. 



a. S (V. 158 ; C. 85). Oali, 3200 feet. Mr. W. F. H. Rosenberg 



[0.]. (Type.) 



5. Homalocraniiim coronatum. 



Tantilla coronata, Baird ^ Gir. Cat. N. Am. Mept. p. 131 (1853), 



and Rep. U.S. Explor. R. R. x. pt. iii. pi. xxx iii. fig. 96 (1859) ; 



Garm. N. Am. Rept. p. 88 (1883) ; Cope, Proc. U.S. Nat. Mus. 



xiv. 1892, p. 598 : Loennberg, Proc. U.S. Nat. Mus. xvii. 1894, 



p. 333. 

 ? Homalocranium wagneri, Jan, Arch. Zool. Anat. Phys. ii. 1862, 



p. 51, and Icon. Gin. 15, pi. ii. flg. 3 (1866). 

 Homalocranium melanocepnalum, part., Jan, I. c. p. 51. 



Eye not half as long as the snout. Eostral broader than deep, 

 visible from above ; frontal longer than broad, hexagonal, shorter 

 then the parietals ; nostril between two nasals, the posterior in 

 contact with the prseocular ; two postoculars ; temporals 1 -|- 1 ; 

 seven upper labials, third and fourth entering the eye ; first lower 

 labial in contact with its fellow behind the symphysial ; anterior 

 chin-ehields longer than the posterior. Scales in 15 rows. Ventrals 

 138-158; anal divided; subcaudals 40-58. Uniform reddish 

 brown above ; head deep chestnut-brown, with a yellowish cross- 

 bar on the occiput, edged with black behind ; lower parts whitish. 



Total length 220 millim. ; tail 35. 



South Carolina, Georgia, Alabama, Flarida, and Mississippi. 



