CROTALIDE 77 
This is the species described by Dr. Russell (in vol. ii, pl. 
20) as Boodroo Pam. 
Head elongate-oval, much depressed ; fai/ and rostrum white; the lat- 
eral line white bordered with purple or greenish below. Color grass 
green, lighter on sides and belly; scales on body highly carinated, in 
21 to 23 series. Abounds in the delta of the Ganges, Moulmein, Penang, 
and Java, and probably on the Nicobar Islands. 
Crotalus Trimeres. carinatus. 
Trimeres. carinatus, Gray. 
> iaeolor. 
“«  porphyraceus, Blyth. 
This species is found in Bengal, Sikkim, Himalaya, and 
Burmah, resembling closely the Trimeres. gramineus. 
Length 36/’, diameter 13/”.. Scales on body in 25 rows prominently 
earinated. Color dark grass green, darker on head, and tail lighter green 
below, approaching to white on belly. Head broad, triangular, covered 
with small carinated scales; the second upper labials form the anterior 
margin of the loreal pit. There is one well-developed azygos shield 
between the supranasals. Abdominal scuta 164 to 169; subcaudal squame 
54 to 60. 
The Trimeres. carinatus, Trimeres. bicolor, and Trimeres, 
porphyraceus, seem to have slight differences in appearance, 
&e., although classed as distinct species. 
Crotalus Trimeres. anamallensis, generally 24’’ long or less. 
Abdominal scuta 148 to 158 ; subcaudal squamz 51to55. Cvlor generally 
yellowish-green, with a dorsal series of large rhombic black spots, each 
spot subdivided by or variegated with yellow. Upper side of head mar- 
bled with black or a uniform green; a black or brown band runs from 
the back edge of the eye to the corner of the mouth; supraciliary with 
one or two black cross-streaks; belly yellowish-green with numerous 
yellow and black spots along its side; tail black, with yellow and green 
spots. 
