42 REPTILES. 
a. In spirits. Adult. India. Old collection. 
“* Hydrus bicolor, Shaw.” 
b. In spirits. Adult. Indian Seas. From Mr. Leadbeater's col- 
lection. 
c. In spirits; bleached, in a bad state. 
the College of Surgeons. 
d. In spirits. Adult. Tail with some round spots. New Zealand. 
From Mr. Argent’s collection. 
e. In spirits. Adult. Borneo. Presented by Capt. Sir Edward 
Belcher, K.C.B., R.N. 
? Presented by 
Var. 1. Like former, but posterior ocular two squares ; lower 
ocular triangular, moderate. 
f—4. In spirits. Adult. Madagascar? Presented by Capt. Sir 
Edward Belcher, K.C.B., R.N. 
?. In spirits. Young; bleached. Infraocular forming part of the 
lip-shields. 
jy. In spirits. Young. Lower ocular like d. From the Museum 
of the Royal College of Surgeons. 
k. In spirits. Half grown. Supraocular on one side deficient. 
? From the Museum of the Royal College of Sur- 
geons. 
In spirits. Young. Lower ocular divided into two scales. 
Madras. Presented by J. C. Jerdon, Esq. 
Var. 2. Like former, but black dorsal streak narrower, some- 
times only as wide as six or eight rows of scales, interrupted into 
spot behind; vent yellow, rarely black-edged ; tail slightly black 
varied. 
m. In spirits. ? Presented by Capt. Sir Edward Belcher, 
K.C.B., B.N. 
Var. 3. Like former ; tail nearly black, only white above the 
lower edge, and with four or five narrow white cross bands. 
n. In spirits. Young. India. Presented by General Hardwicke. 
Var. 4. Like former; the lower edge of the hinder part of the 
black dorsal band sinuous ; belly with two round spots in front of 
vent; tail with large, roundish black spots; one anterior and two 
posterior oculars. Russell, Ind. Serp. ii. t.41. Pelamis bicolor, 
Daud. Rept. vi. t. 89. 
o. In spirits. Adult. Pacific Ocean. 
