290 COLUBIlID:E. 



344. Aspidura guentheri. 



Asijidura guentheri, Ferguson, F. Z. S. 1876, p. 810. 



Kostral small, deeper than broad, not visible from above ; 

 frontal as long as or sliglitly longer than its distance from tlie end 

 of the snout, two thirds the length of the parietals ; supraocular 

 about half the length of the frontal ; prsofrontals in contact with 

 the second and third upper labials, entering the eye ; a prseocular ; 

 two postoculars, only the upper iu contact with the parietal ; 

 temporals 1+2 ; G upper labials, first and second very small, sixth 

 largest, fourth entering the eye ; 4 lower labials in contact with 

 the anterior chin-sliields ; posterior cbin-shields small and scale- 

 like. Scales in 17 rows, all perfectly smooth. Ventrals 101-117 ; 

 anal entire ; subcaudals 19-27. Dark bro\An above and below, 

 back with four lougitudinal series of blackish dots ; head paler 

 above ; a yellow uuchal collar, interrupted iu the middle aud 

 bordered with blackish posteriorly. 



Total length G inches ; tail 0-7o. 



Hah. Ceylon (near the coast). 



345. Aspidura trachyprocta. 



As])idura trachyprocta, Cope, Froc. Ac. Fhilad. 1860, p. 7o ; Ounth. 



Rept. B. I. p. 203, pi. xviii, fig. F ; Theob. Cat. p. 143. 

 Aspidura scytale, part., Jan, Icon. Ophicl. 13, pi. ii, figs. 1 & 3. 



Eostral small, deeper than broad, not visible from above ; frontal 

 longer than its distance from the eud of the snout, about two 

 thirds the length of the parietals ; supraoculars more than balf 

 the length of the frontal ; pra^frontals iu contact M'ith the eye and 

 with the second and tbird upper labials, separated from the fourth 

 by a small praeocular ; two postoculars, lower largest, both in 

 contact with the parietal; temporals 1 + 2; G upper labials, first 

 and second very small, sixth largest, fourth entering the eye ; 4 

 lower labials in contact with the anterior chin-shields ; posterior 

 chin-shields small and scale-like. Scales iu 15 rows, tubercularly 

 keeled on the anal and caudal regions. Ventrals 120-147 ; anal 

 entire ; subcaudals 13-25. Brown or blackish above, with longi- 

 tudinal series of small darker spots and a dark lateral streak, 

 which are more distinct in the young ; lower surface blackish, or 

 yellowish spotted with black. 



Total length 15 inches ; tail 1. 



Hah. Ceylon (in the mountains). 



Genus HAPLOCERCUS, 



Giiuther, Cat. Col. Sn. p. 14, 1858. 



Maxillary teeth about 10, moderately large, subequal ; ])osterior 

 mandibular teeth a little shorter than the anterior. Head not 

 distinct from neck ; eye rather small, with rouud pupil ; nostril 

 between two small nasals and the first labial ; no loreal ; a single 



