1854.] Notices and Descriptions of various Reptiles. 205 



Tropidonotus zebrinus, nobis, n. s. (Tr. ciirysargos, Schlegel, 

 var. ?) Vertical plate twice as broad as the superciliary, and of 

 Same length. One prse-orbital and three post-orbitals. Upper- 

 parts (in spirit) deep plumbeous, obscurely spotted with black ; the 

 sides and under-parts yellowish-white, the former throughout banded 

 with black, and each band having a whitish spot (probably yellow in 

 the recent specimen) above it. Head plumbeous above, the labial 

 plates with a triangular black spot at the point of junction of each 

 of them above, and exhibiting thus two larger spots posterior and 

 two smaller anterior to the eye. Two or three distinct black bands 

 across the nape. Rows of scales 15 : scutse 137 ; scutellae 96 pairs. 

 Length of specimen (which is quite young) 10f in., of which the 

 tail measures 8^ in. From Mergui. Capt. Berdmore. 



Tr. angttsticeps, nobis, n. s. Head narrow, not broader than the 

 neck, little depressed, the eye much larger than in Tr. tjmbratus, 

 and vertical shield broad. Colour (in spirit) plumbeous above, 

 uniformly spotted with black throughout; below whitish, more or 

 less variegated with black on the hinder half: head without mark- 

 ings ; but a Y-like mark on the nape with apex towards the 

 occiput, becoming obsolete in adults. One specimen has 4 pra3- 

 orbital and 5 post-orbital plates ; but in general these number 2 or 

 3 and 4 : and the same specimen is remarkable for having no dark 

 markings above, but some indistinct pale spots, probably of a vivid 

 colour on the recent Snake. In an adult the black spots on the 

 upper parts are almost confined to the skin between the scales, and 

 there is no blackish colour on the hinder half underneath. Seven- 

 teen rows of scales : scuta^ 167, 72 ; scutellse 57, 67 pairs. Length 



pital streak. When 2 or 3 ft. long, the white frontal streak is retained, and at the 

 occiput are two diverging white lines, which converge and meet behind at the first 

 of the series of imperfectly triangular white spots bordered and set off with black, 

 which are continued throughout the body ; becoming gradually more ill denned 

 towards and upon the tail. The lower-parts are now pearly-white, a trace only of 

 the lateral abdominal lines appearing as a row of small spots on each side, though not 

 regularly upon every scuta. The full grown adult is altogether much darker, with 

 the white markings tending to become obsolete ; a conspicuous median black stripe 

 is continued over the forehead and occiput, and another proceeds backward from 

 each eye. Abdomen more or less speckled, with the lines of lateral spots more or 

 less apparent. 



