Rostral broader than deep, visible from above; nostril between two or three shields, the posterior nasal being frequently divided into two; internasals about half the length of the pre-frontals; frontal very narrow, longer than its distance from the end of the snout, nearly as long as the parietals; loreal about twice as long as deep; pre-ocular single, in contact with the frontal; two post-oculars ; temporals 1+2 or 2+2; upper labials 8 or 9, fourth and fifth or fifth and sixth entering the eye j 5 lower labials in contact with the anterior chin-shields, which are a little shorter than the posterior. Scales in 17 rows. Ventrals 177-188; anal usually entire; sub-caudals 82-138. Pale greyish or yellowish above, with black dots or four longitudinal brown bands which are usually edged with black, the outer passing through the eyes; lower parts white, uniform or spotted or marked with grey or olive in the middle, with or without a dark lateral line or series of dots. Total length 3 feet 3 inches ; tail 1 foot.
- ↑ Boulenger, G. A. 1890. Fauna of British India. Reptilia and Batrachia. pp. 365-366
- Günther,A. 1869 Report on two collections of Indian reptiles. Proc. Zool. Soc. London 1869: 500-507