46 Records of the Indian Museum. [Voi,. VIII, 



Maxillary moderate, with about 20 teeth, which decrease 

 slightly in size from before backwards ; mandibular teeth similar to 

 maxillary. Head not distinct from neck; eye small, with round 

 pupil ; nostril pierced between two nasals, the posterior of which 

 is followed by a small scale (postnasal) in contact with the supra- 

 nasal, praefrontal and first upper labial. Praefrontal entering the 

 eye and in contact with upper labials ; no praeocular ; rostral 

 separated from supranasals by a triangular azygous shield. Scales 

 smooth, without apical pits, imbricate, in 12 straight rows; ven- 

 trals rounded Tail short; subcaudals in two rows. 



24. Aproaspidops antecursorum, sp. nov. 

 (Plate V, fig. 2.) 



Snout moderate, rounded. Rostral much wider than deep, 

 just visible from above, much deeper than the .shield which separ- 

 ates it from the supranasals; the latter completely divided, about 

 half as long as the praefrontals, which are also completely divided ; 

 frontal about ij times as long as broad, about as long as its 

 distance from the snout, much shorter than the parietals. Nostril 

 between two small, deeply concave scales, separated from the first 

 labial; postnasal triangular, smaller than the two nasals of one 

 .side together. Praefrontal in contact with second and third upper 

 labials, the latter and the fourth entering the e^^e; no subocular; 

 a single large postocnlar ; supraocular much longer than deep ; 6 

 upper and 6 lower labials; loreals 1 + 2. Two pairs of chin- 

 shields, posterior pair very short, in contact with the fourth pair 

 of labials; the first pair in contact with three pairs of labials, first 

 pair of labials forming a long suture behind the mental. Ventrals 

 136; subcaudals 16; anal divided; tail ending in a sharp spine. 



Colour dark olive, each bod5--scale with a slightly darker 

 border ; ventrals and subcaudals with pale borders ; an incomplete 

 white collar extending over the greater part of the neck on each 

 side some distance behind the gape. 



Length 162 mm.: length of tail 12 mm. 



Type. — No. 16844, Ind. Mus. 



Locality. — Janakmukh, 600 ft. : 13-xii-ii. 



The single small, perhaps immature, specimen was taken by 

 the 32nd Sikh Pioneers while road-making. It closely resembles 

 young Blythia reticulata in appearance but can easily be distin- 

 guished by its circular pupil and by the extra scales behind the 

 rostral and the nasals. 



25. Polydontophis collaris (Gray). 

 Boulenger, op. cit.^ p. 302. 



A common snake all over the Himalayas up to 10,000 feet, in 

 Assam, Upper Burma, etc. Specimens were taken in the Sirpo 

 valley near Renging and at Kobo by Capt. de Courcy. They repre- 

 sent the typical form. 



