75. LIOPHIS. 131 



sometimes edged above and below by a series of whitish dots, along 

 each side of the posterior half of the body to the end of the tail ; 

 sometimes two other dark lines on the posterior part of the back, 

 confluent into one on the tail ; lower parts white, uniform or black- 

 spotted. 



Total length 750 millim. ; tail 140. 



Ecuador. 



A. Belly ^unspotted. 



a. $ (V. 158; C. 60). Olalla, 8490 ft. E. Whymper, Esq. 



[C.]. 



b. c? (V. 152; C. 66). Quito. 



c-d. J (V. 151 ; C. 61) & W. Ecuador. Mr. Eraser [C.]. 



$ (V. 155; C. 62). 



B. Belly black-spotted. 



e. $ (V. 156 ; C. 57). Intac. Mr. Buckley [C.]. 



/. Yg. (V. 138 ; C. 55). Guayaquil. Mr. Eraser [(?.} 



5. Liophis fraseri. (PLATE VI. fig. 2.) 



Eye moderate ; snout rather elongate. Rostral twice as broad as 

 deep, just visible from above ; interuasals as broad as long, a little 

 shorter than the praifrontals ; frontal nearly twice as long as broad, 

 as long as its distance from the end of the snout, shorter than the 

 parietals ; loreal a little deeper than long ; one pne- and two post- 

 oculars; temporals 1 + 2; eight upper labials, fourth and fifth 

 entering the eye ; five lower labials in contact with the anterior 

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

 17 rows. Ventrals 160 ; anal divided ; subcaudals 70. Pale 

 olive above, with small black spots : a dark streak on each side of 

 the head, passing through the eye ; upper lip white ; four black 

 streaks along the posterior part of the body, the two upper confluent 

 into one on the tail ; lower parts white, with scattered small black 

 spots. 



Total length 690 millim. ; tail 150. 



Ecuador. 



a. $ (V. 160; C. 70). W. Ecuador. Mr. Eraser [C.]. 



6. Liophis pcBcilogyrus. 



Coluber M-nigrum, Raddi, Mem. Soc. Ital. Modetia, xviii. (Fis.) 



1820, p. 338. 



? Coluber alternans, Licht. Ven. Dottbl. Mus. Berl. p. 104 (\^: 

 Coluber poecilogyrus, Wind, Beitr. Nat. Bras. \. p. 371, and AbbilJ. 



(182-.). 



doliatus (nan L.), Wied, Beitr. p. 368, and Abbild. 



bicolor, Reius, Xfu*. Senckenb. i. IS.; I. |>. 1 \~>, j>l. viii. fig. 1. 



Coronella merremii, part., Schby. 1'hi/a. Serp. ii. p. 58 (1837). 

 Li-ijihi.s Hit-rrvinii, part., JJiun. $ lltbr. vii. p. 708 (1H54); Giinth. 



(Jut. p. 44 (1808) ; Heiuel, Arch./. Not. 1868, p. 324. 



K2 



