Head covered anteriorly with convex granular scales, smaller in the frontal concavity, posteriorly with minute granules intermixed with round tubercles; rostral subtetragonal, not twice as broad as deep, with median cleft above; nostril pierced between the rostral, the first labial, and three or four nasals; 10 to 12 upper and 9 or 10 lower labials, mental large, triangular or pentagonal, twice as long as the adjacent labials; two pairs of chin-shields, the inner the larger, elongate, in contact behind the mental.

Upper surfaces with minute, granular scales intermixed with moderate-sized trihedral, more or less strongly keeled tubercles, the largest not measuring more than one third the diameter of the eye; they are arranged very irregularly on the back, in about 20 longitudinal series.

Male with a long series of femoral pores, 19 to 25 on each side, interrupted on the preanal region.

Brown above, with darker spots, generally confluent into transverse undulating bands on the back; two more or less distinct dark streaks on each side of the head, passing through the eye; lower surfaces dirty white.

Race hunae: India (Malabar, Tirunelveli, Salem, near Madras), Sri Lanka.