Pale brown above, with a vertebral series of small round black spots; usually a more or less distinct dark lateral line or series of dots; head and nape dark brown or black; lips, " canthus rostralis ", a transverse line between the eyes, and two broad cross-bands, one in front and one behind the nape, all yellow; the dark colour often extending along the median line, bisecting the yellow collar; lower surfaces yellow, each shield with a black dot near its outer border.
32.
The species differs from its congeners based on a combination of characters including small to medium-sized adult males, snout mucronate in dorsal view, canthus rostralis angular and sharp, snout slightly projecting beyond mouth ventrally, tympanum indistinct and one third of the eye diameter, tongue without papilla but with a lingual pit, nuptial pad rudimentary to absent, a bony tubercle on humerus at the end of deltoid ridge present in males and absent in females, skin finely granulated or smooth dorsally, lateral side marbled with white blotches on brown to black background.
33.
"Upper head shields strongly keeled and striated; anterior labials keeled, forming a projecting margin; " canthus rostralis " very strong; nostril in the horizontal suture between two large nasals which are extensively in contact with the rostral, and followed by one or two postnasals, the upper of which sometimes enters the nostril; no azygous prefrontal; frontal long and narrow; a small occipital; 4 supraoculars, first and fourth small, the two principal separated from the supraciliaries by a series of granules; subocular bordering the lip, between the fourth and fifth ( or fifth and sixth ) upper labials; temporal scales small, keeled; two large shields border the parietals exteriorly; a curved large shield on the supero-anterior border of the ear-opening; six large chin-shields on each side, the three anterior in contact with their fellows.
