32 OPHIDIANS. 
to the tail, covered with oblong, oval, smooth scales. Color of head. 
light brown, a yellow streak behind each eye. Trunk and tail are 
striped with seven longitudinal fillets, of which the centre and the two 
outside ones are of a darker brown, of a greenish cast, and broader than 
the others; one on each side of the centre brown fillet is almost black, 
and the adjacent one on each side is of a greenish yellow. The scuta 
and one-half the squame nearest the anus are of a straw color; a small 
darkish-green thread runs along the sides of the scuta and squame to 
near the end of the tail. 
No. 17. Col. cor. mucosus (Linn.). 1 sub-variety, called 
(Russell) Jeri Potoo in Vizagapatam. 
Abdominal scuta 199, subcaudal squame 121 — 320. Length 5/ 4//, 
diameter 1}1’”.. Head proportionately small and narrow, acute ovate, 
depressed, but compressed toward the rostrum; nine principal laminae, 
but the sides of the occiput are covered with several smaller ones. Upper 
jaw slightly divided, has three rows of teeth. Hyes lateral, large, prom- 
inent. Nostrils small, gaping. Trunk: the neck is covered with small 
oval, smooth, imbricate scales; back carinated ; sides compressed ; scales 
subrhomboidal, but four rows on the upper part of the back are either 
carinated or striated; tail small, taper, sharp-pointed, nineteen inches 
long. Color of cheeks and sides of throat a pale flesh or whitish, streaked 
transversely with black lines. The jugular scuta are yellowish white, 
each having a blackish spot on each side. Head, neck, and part of the 
trunk are a dull yellowish olive color, while the remainder of the trunk 
and tail has the color somewhat lighter, and is variegated by transverse 
black lines and spots joined together, and which become blacker as they 
approach the tail. Half the abdominal scuta are of a dull white, strewed 
with dusky spots, but the lower edge of each scale is purplish black, and 
all the scales on the tail have black edges. Subcaudal squame are green- 
ish yellow with black edges. 
OBSERVATIONS. 
Bites of this variety in chickens showed no bad results. 
No. 18. Col. cor. nasutus. 1 sub-variety (Shaw). Aspides, 
(Seba). 
Length 4’ 11/7’; length of tail 1’ 87’. 
No. 19. Col. cor. Austriaca; has been found in England. 
20. Col. cor. cana. Schwartze Schlange, or Black Snake, 
