76 COLUBRIDjE. 



B. Dark greon above, pale green below. (D. viridis, D. & B.) 



a, b. $ (V. 162 ; C. 117) Berbice. Lady Essex [P.]. 



&hgr. (V. 165 ;C. 112). 



c. $ (V. 154 ; 0. 128). Chyavetas, E. Peru. 



d. $ (V. 158 ; C. P). Guayaquil. Mr. Eraser [C.]. 



C. Black above, blackish olive below. 



a. rf(V.153; C. 111). Moyobamba, N.E. Mr. A. II. Roff [C.]. 



Peru. 



D. Brown above, with more or less regular light, black-edged cross 



bands, which are most distinct in the young ; belly yellow or 

 olive. (C. saturninus, L.) 



a. Yg. (V. 145 ; C. 133). Caracas. 



b. $ (V. 148 ; C. 127). Demerara Falls. 



c. J (V. 144 ; C. 115). Brazil. Lord Stuart [P.]. 



d. e. $ (V. 168 ; C. ?) & Bakia. Dr. O. Wucherer [C.]. 

 yg. (V.144; C. 122). 



E. Brown above, blotched with black. (N. scurrula, "Wagl.) 



a. d (V. 157 ; C. ?). Xeberos. 



b. <J (V. 153 ; C. ?). Moyobamba. Mr. A. H. Roft [C.]. 



4. Herpetodryas melas. 



Herpetodryas melas, Cope, Proc. Amer. Philos. Soc. xxiii. 1886, 

 p. 278. 



Eye large. One pras- and two postoculars ; temporals 1 + 1 ; 

 nine upper labials, fourth, fifth, and sixth entering the eye ; 

 anterior chin- shields shorter than the posterior. Scales in 10 rows, 

 all smooth, those of the median rows rather smaller than the 

 parietal shields. Veutrals 158 ; anal divided ; subcaudals 139. 

 Black, except on the upper lip and the anterior half of the belly, 

 which are cream-coloured. 



Total length 1210 millim. ; tail 470. 



Nicaragua. 



5. Herpetodryas grandisquamis. 



Spilotes grandisquamis, Peters, Mon. Berl. Ac. 1868, p. 451. 

 Herpetodryas grandisquamis, Cope, Journ. Ac, Philad. viii. 1876, 

 p. 135 ; Bocourt, Miss. Sc. Mex.,Rept. p. 732, pi. xliii. fig. 6 (1890). 

 cariuatus, Cope, I. c. 



Eye rather large. Rostral broader than deep, just visible from 

 above ; intemasals as long as the praefroutals ; frontal once and a 

 half as long as broad, as long as its distance from the end of the 

 snout, a little shorter than the parietals ; loreal as long as deep or 

 a little longer ; one prae- and two postoculars ; temporals "2 + 2 ; 

 nine upper labials, fourth, fifth, and sixth entering the eye ; five 

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

 a little shorter than the posterior. Scales in 10 longitudinal rows, 



