Upper head-shields rugose, keeled and striated; nostril lateral, pierced between 3 or 4 shields, viz.

an anterior, or an upper and a lower anterior nasal and two superposed postnasals; a large frontonasal; frequently one or two small azygos shields between the pair of prefrontals; four supraoculars, first and fourth small, the two principal separated from the supraciliaries by a series of granules; occipital small, sometimes a little broader than the interparietal, with which it forms a suture; subocular bordering the lip, between the fourth and fifth (or third and fourth) upper labials; temporal scales small, keeled; one or two large subtemporal shields border the parietals externally; tympanic shield small or indistinct.

The hind limb reaches the shoulder or halfway between the latter and the ear in the male, not to axilla in the female; 7 to 11 femoral pores on each side.

Tail once and a half to twice as long as head and body; caudal scales about as large as dorsals.

Coppery-brown above, with two pale golden lateral streaks bordered with black, the upper extending from the supraciliaries to the tail, the lower from the upper lip to the groin; frequently a series of large black spots between the two lateral streaks; lower surfaces yellowish white.