114 7 COLUBRID. 
with labials; one preocular (rarely divided) in contact with or 
narrowly separated from the frontal; two (rarely three) post- 
oculars ; temporals 1+2; eight or nine upper labials, fourth and 
fifth or fifth and sixth entering: the eye ; five or six (rarely seven) 
lower labials in contact with the anterior chin-shields, which are 
shorter than the posterior. Scales in 15 rows,:all except the 
outer strongly keeled on the body, smooth on the neck and tail. 
Ventrals strongly angulate laterally, 151-167; anal divided ; sub- 
caudals 140-173. Bronzy or golden above, head, neck, and usually 
vertebral region bright green; or bright green above and on the 
sides; the keels on the scales dark brown or black ; a blaek streak 
on each side of the head, passing through the eye; scales and head- 
shields sometimes black-edged ; upper lip and lower parts white or 
rellow. 
: Total length 1720 millim.; tail 590. 
South America east of the Andes. 
a. & (V. 167; C. 173). Tobago. . A. Ludlam, Esq. [P.]. 
b. 2 (V. 159; C. ?). Trinidad, Rey. C. Kingsley | C.}. 
c-d. 6 (V. 160; C. 144) Trinidad. EF. W. Urich, Esq. 
& her. (V. 156; C. 123). Rest 
e. d (V. 164; C. 161). Demerara. Capt. Friend [P.]. 
f-h. & (V. 161, 153; C. Berbice. 
154, 147) & 2 (V. 166, 
161; C. 153, 148). 
2 6 (V. 156; C. 163). Bahia. Mr. Ker [P.]. 
eS (V. 151; C0; 160), » Brazil: Lord Stuart [P ]. 
Beet ve 160; C, ?). Asuncion, Paraguay. Dr. J. Bohls |{C.]. 
m. Skull. Caracas. 
nm. Skull, Cayenne. 
12. Leptophis ortonii. 
Leptophis ortonii, Cope, Journ. Ac. Philad. (2) viii. 1876, p. 177. 
Nearly allied to LZ. nigromarginatus, but scales smooth and 
ventrals non-angulate. Blue above; a coppery golden spot within 
the apex of many of the scales, which extends on those of the 
external two rows so as to cover the scale except at its base; ven- 
trals coppery golden, the front margin sea-green; the blue scales 
have a black tip, and often a narrow border; head uniform green ; 
‘labials yellow, with a narrow black line along the upper margin of 
the posterior ones. 
Total length 965 millim. ; tail 390. 
Middle Amazon, Peru. 
13. Leptophis urostictus. 
Ahetulla urosticta, Peters, Mon. Berl. Ac. 1873, p. 606. 
No loreal; nine upper labials. Scales in 13 rows, all except the 
