76 COLUBRIDJ. 



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



a, b. 2 (V. 162 ; 0. 117) Berbice. Lady Essex [P.]. 



& hgr. (V. 155 ; 0.112). 



c. 2 (V. 154 ; 0. 123). Ohyavetas, E. Peru. 



d. $ (V. 158 ; 0. ?). Guayaquil. Mr. Eraser [0.]. 



C. Black above, blackish olive belovr. 



o. c? (V.153; C. 111). Moyobamba, N.E. Mr. A. H. Eoff [0.]. 



Peru. 



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



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

 olive. (C saturnirvus, L.) 



a. Yg. (V. 145 ; 0. 133). Caracas. 



b. 5 (V. 148 ; 0. 127). Demerara Falls. 



c. cJ (V. 144 ; 0. 115). Brazil. Lord Stuart [P.]. 



d,e. $ (V. 168; 0. .?) & Bahia. Dr. 0. Wucherer [C.]. 



yg. (V.144; 0.122). 



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



a. S (V. 157 ; 0. ?). Xeberos. 



b. d (V. 153 ; 0. P). Moyobamba. Mr. A. H. Eofi [C.]. 



4. Herpetodryas melas. 



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

 p. 278. 



Eye large. One pree- 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. Ventrals 158 ; anal divided ; suboaudals 139. 

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

 which are cream-coloured. 



Total length 1210 miUim. ; tail 470. 



Nicaragua. 



5. Herpetodryas grandisquamis. 



Spilotes grandisquamis, Peters, Mon. Berl. Ac. 1868, p. 461. 

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

 p. 135 ; Socowt, Miss. Sc. Mex., Mept. p. 732, pi. xliii. fig. 5 (1890). 

 carinatus, Cope, I. c. 



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

 above ; internasals as long as the prsefrontals ; 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 prse- 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. 



