lleptiles from l\r(ik, }faJajj Pcninsaln. o07 



Snout projoctiiif^ beyond the lower j nv ; rostral considtirably 

 broader than deep; frontal very .small, longer than broid, as 

 lojiii^ as its distance trom the rostral ; ono prie- and one post- 

 ocular; a sin<^lc anterior temporal ; seven upper labials, third 

 and fointh entering the eye, second largest and in contact 

 with the j)ra'frontal ; two pairs of small chin-shields, in con- 

 tact with each other. 31 scales round the neck, 55 round the 

 body ; scales smooth, rhomboid d and imbricate anteriorly, 

 tdsewhere hexagonal, subinibricate, each with one or several 

 small tubercles. Ventrals very small but distinct throughout, 

 422, Head and neck black, the latter with two series of 

 round yellowish sjiots ; body yellowish white, with a series of 

 black isji rhomboidal spots on the back, these s]))ts conllucnt 

 on the vertebral line ; end of tail black. 



Total length (520 millim. ; tail 47. 



Very closely allied to II. fasciatufs^ Sclin., from which it is 

 distinguished by the broader rostral, the greater number of 

 scales round the body, and the coloration: the pattern of the 

 latter can, however, be derived without difficulty from that of 

 II. fascial us. 



Dlst'ira Wroyi. 



Head moderate ; body elongate, its greatest dcptli twice 

 and one third the diameter of the neck. Rostral considerably 

 broader than deep; nasals a little shorter than the frontal, 

 twice as long as the suture between the prfefroutals ; frontal 

 nearly twice as long as broad, slightly shorter than its 

 distance from the rostral, two thirds the length of the 

 parietals ; one prie- and one postocular ; a single very large 

 anterior tcmpiral, nearly reaching the oral border; seven 

 upper labials, second largest and in contact with tlic pra3- 

 frontal, third and fourth entering the eye; two pairs of chin- 

 shields, in contact with each other. The head-shields studded 

 with small granules. Scales tcebly imbricate, very strongly 

 keeled, many of the keels broken up into two tubercles; 27 

 scales round the neck, 37 round the body. Ventrals 'I\)\S, 

 small but distinct throughout, bicarinate, the keels mostly 

 broken up into tubercles. Tail ending in a spine-like com- 

 pressed scale. Jilackish, with 67 narrow light annuli, which 

 are olive on the back, yellow on the sides and on the bdly. 



Total length 940 nnllim. 



A single nmlc specimen from the Perak coast. 



'J'his well-marked species appears to be most nearlv related 

 to D. tuberculata^ Anderson, which is known to me only from 

 the description. 



Ainhlycepludus vcrtebralis. 

 Rostral slightly broader than deej) ; internasals a little 



20* 



