Oligodon melaneus

Oligodon melaneus, the: bluebelly kukri snake is a species of snake in the family Colubridae. It is endemic to eastern India. It was described in 1909 by Frank Wall based on two specimens from Tindharia, Darjeeling.

Description
One the types is a female, 13.125 in in total length, with the tail being 1.75 in. It was gravid with four eggs. The other type is a male, similar in length to the female. The body is uniformly black above, grading to grayish in the flanks. The belly is blue-grey, with black speckling in the female.