161. coNOPHis. 123 



Conophis lineatus, Cape, Proc. Ac. FhUad. 1868, p. 308, and Journ. 



Ac. Philad. (2) viii. 1876, p. 137 ; Bocourt, Miss. Sc. Mex., Rept. 



p. 643, pL xxxviii. fig. 5; Giinth. Biol. C.-Am., Sept. p. 165 



(1895). 

 pulcher, Cope, Proc. Ac. Philad. 1868, p. 308 ; Bocourt, Miss. 



8c. Mex., Rept. p. 646, pi. xxxviii. fig. 6. 

 Tomodon pulcher, Bocourt, Journ. de Zool. v. 1876, p. 408. 

 Tachymenis lineata, Garm. N. Am. BepU p. 60 (1883). 



Snout projecting. Upper portion of rostral measuring one third to 

 one half its distance from the frontal ; internasals as long as broad, 

 a little shorter than the praefrontals ; frontal nearly twice as long as 

 broad, a little longer than its distance from tjie end of the snout, as 

 long as the parietals ; loreal square or longer than deep ; one 

 prseocular (sometimes divided), not reaching the frontal; two post- 

 oeulars ; temporals 2 + 2 or 3 ; eight (rarely seven) upper labials, 

 fourth and fifth (or third and fourth) entering the eye ; four or 

 five lower labials in contact with the anterior chin-shields, which 

 are as long as the posterior. Scales in 19 rows. Ventrals 158-183 ; 

 anal divided ; subcaudals 66-78. Yellowish, greyish, or pale olive 

 above, usually with six to ten black longitudinal lines, uniting 

 to form three stripes on the head, the outer of which pass through 

 the eyes ; a black line or series of spots running along the outer row 

 of scales ; chin greyish or olive, spotted with white ; rostral and 

 laoials greyish or blackish beneath ; lower parts white. 



Total length 780 miUim. ; taU 150, 



Mexico and Central America. 



A. Striped. (C. lineatus, D. & B.) 



a. 5 (V. 171; C. 68). Mexico. 



h-c, d. (S (V. 170 ; C. Duenas, Guatemala. O. Salvin, Esq. [C.]. 



78) & $ (V. 171, 



183 ; 0. ?, ?). 

 e. $ (V. 163; C. 77). Cartage, Costa Rica. 



B. Uniform brownish above, with a dark brown stripe on each 

 side of the head. (C. concolor, Cope.) 



a. 5 (V. 158; C. 66). Yucatan. 



2. ConopHs vittatus. 



Conophis vittatus, Peters, Mon. Berl. Ac. 1860, p. 519, pi. — . fig. 3 ; 



Bocourt, Miss. Sc. Mex., Bept. p. 644, pi. xxxviii. fig. 7 (1886) f 



Gunth. Biol. C.-Am., Bept. p. 165 (1895). 



sumichraati. Cope, Journ. Ac. Philad. (2) viii. 1876, p. 137. 



? Conophis viduua. Cope, I. c. 



Tomodon vittatus, Bocourt, Journ. de Zool. v. 1876, p. 407. 



Very closely allied to the preceding, but snout more prominent- 

 and shorter, upper portion of rostral measuring at least half its 

 distance from the frontal, and internasals broader than long. Seven 

 upper labials, third and fourth entering the eye. Ventrals 147- 

 163 ; subcaudals 57-70. Cream-colour, with three dark brown or 



