76 COLUBRID. 
B. Dark green above, pale green below. (D. viridis, D. & B.) 
a,b. 2 (V.162; C.117) Berbice. Lady Essex [P.]. 
& her. (V. 155; C. 112). 
eof (V. 154; C.123). Chyavetas, E. Peru. 
d. ° tv. 158; C. ?). Guayaquil. Mr. Fraser [C.]. 
C. Black above, blackish olive below. . 
a. § (V.158; 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.) 
a. Yg.(V.145; C. 133). Caracas. 
pS, °(V. 148; C. 127). Demerara Falls, 
CG (VASE, sae Brazil. Lord Stuart [P.]. 
d,e. 9 (V. 168 ; C.?) & Bahia. Dr. O. Wucherer [C.]. 
yg. (V. 144; C. 122). 
E. Brown above, blotched with black. (1. scurrula, Wag]l.) 
G56 (V¥: 16% 5\€2?). Xeberos. 
Brod Vsldog G, 5): Moyobamba. Mr. A. H. Roff [C.]. 
4, Herpetodryas melas. 
Herpetodryas melas, Cope, Proc. Amer. Philos, Soc. xxiii, 1886, 
p. 278. 
Eye large. One pre- and two postoculars; temporals 141; 
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 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, Jowrn. Ac. Philad, viii. 1876, 
p- 185; Bocourt, Miss. Sc. Mex., Rept. p. 782, pl. xiii. fig. 5 (1890), 
a carinatus, Cope, |. e. 
Eye rather large. Rostral broader than deep, just visible from 
above ; internasals as long as the prefrontals ; frontal once and a 
half as long as broad, as long as its distance trom the end of the 
snout, a little shorter than the parictals; loreal as long as deep or 
a little longer; one pre- and two postoculars; temporals 242; 
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, 
