Malayan Peninsula and Islands. 77 



the sides with numerous, similarly coloured, oblique or arched, often 

 interrupted, bands ; labials greenish white, black-edged ; beneath green- 

 ish white, tinged with rose-colour, minutely spotted with brown, and 

 with a double or treble lateral series of irregular black spots. Iris 

 pale greenish golden, minutely dotted with black ; pupil elliptical, 

 vertical ; tongue whitish. 



Scuta 202 to 23f>, Scutella 80 to 10G. 



Habit. — Pinany, Malayan Peninsula. 



Celebes, Java, Tenasserim, Bengal. 

 On the hills of Pinang this species appears to be more numerous 

 than the former. Tbe largest individual measured : 



Length of the head, ft. Of inch. 



Ditto ditto trunk, 1 lOf 



Ditto ditto tail, 5| 



2 ft. 4| inch. 



Greatest circumference, If inch. 



The central hexagonal scales are elongated, narrow on the anterior 

 part of the trunk, which is covered by 1 9 longitudinal series of smooth, 

 lanceolate, imbricate scales ; from thence commence 1 7 series of broad- 

 er scales. 



Dipsas cynodon, Cuvier. 

 Syn. — Dipsas cynodon, apud Boie, Guerin, Scblegel. 



Young. Ground-colour yellowish brown, head with a dark black- 

 edged arrow-shaped mark, and a black oblique streak from the eye to 

 the nape of the neck ; labials pearl-coloured, edged with black ; back 

 with numerous black transversal marks, shaped like two letters Y 

 placed horizontally towards each other or in quincunx, becoming in- 

 distinct towards the tail. Beneath pearl-coloured with a black spot 

 near the lateral part of the scuta ; scutella edged and minutely dotted 

 with brown. 



Scuta 225, Scutella 92. 



Advlt. Head and back uniformly greyish brown tinged with lilac, 

 with a number of distant large, transversal, purple, bands (the scales 

 edged with black), lozenge-shaped with triangular lateral appendages, 

 becoming indistinct towards the tail, which is alternately brownish buff 



