76 colubridjE. 



B. Dark green above, pale green below. {D, viricUs, D. & B.) 



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



&ligr. (V. 155; C.112). 



c. 5 (V. 154 ; C. 123). Cliyavetas, E. Peru. 



d. 5 (V. 158 ; 0. ?). Guayaquil. Mr. Eraser [C.]. 



C. Black above, blackish olive below. 



a. S (V. 153 ; C. 111). Moyobamba, N.E. Mr. A. H. 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.) 



«. Yg.(V.145; C. 133). Caracas. 



b. 2 (V. 148 ; C. 127). Demerara Falls. 



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



d. e. 5 (V. 168 ; C. ?) & Bahia. Dr. O. Wucherer [C.]. 

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



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



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



b. d (V. 153 ; C. ?). Moyobamba. Mr. A. H. Roil [C.]. 



4. Herpetodryas melas. 



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

 p. 278. 



Eye large. One prse- 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; subcaudals 189. 

 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, Fefers, Mon. Berl. Ac. 1868, p. 451. 

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

 p. 135 ; Bocourt, Aliss. So. Mex.jEept. p. 73U, pi. xliii. fig. 5 (1890). 

 carinatus, Cope, I. c. 



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

 above ; internasals as long as the pra3froutals ; 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. 



