SPHENOMORPHUS 175 



Remarks. — The species is known only from eastern central 

 Mindanao and is very probably confined to this island, and per- 

 haps the islands to the northeast. In habit it is terrestrial, and 

 it is usually found under logs and leaves or running about on 

 the ground. 



SPHENOMORPHUS LUZONENSIS (Boulenger) 

 Plate 15, fig. 1 



Lygosoma luzonense (sec. Hinulia) Boulenger, Proc. Zool. Soc. Lon- 

 don (1894) 733, pi. 49, fig. 2. 



Description of species.— (From. No. 1625, Bureau of Science 

 collection; collected at Banaue, Ifugao, northern Luzon, May, 

 1918, by H. Otley Beyer.) Body slender, elongate, the scales 

 extremely smooth and shiny; snout moderately short; rostral 

 moderate; frontonasal broader than long, forming a broad, 

 straight suture with rostral; prefrontals much broader than 

 wide, completely fused (probably abnormal) ; frontal rather 

 narrow and elongate, longer than its distance to end of snout, 

 and longer than frontoparietal ; four supraoculars, 

 anterior largest, triangular, not or but slightly in 

 contact with prefrontals; frontoparietal a single 

 scale ; parietals elongate, forming a suture behind 

 the small interparietal ; no nuchals ; nostril pierced 

 in a single nasal; two normal frenals, first higher 

 and narrower than second ; two preoculars between 

 first superciliary and third labial ; length of orbit 

 equal to distance of eye from nostril ; six or seven ^^^- ^o- spheno- 

 superciliaries ; temporals enlarged, that touchmg nensis (Souien- 

 parietal very large; seven upper labials, fourth, ger); after bou- 

 fifth, and sixth below eye; mental small, followed arrsalview'i^en- 

 by a very large postmental, longer than wide; J^^^^ed. 

 first pair of chin shields in contact ; ear opening large, rounding, 

 nearer foreleg than end of snout ; scales smooth, in twenty-eight 

 rows about body, the four median dorsal rows enlarged, of nearly 

 equal size; preanal scales distinctly enlarged; legs weak, barely 

 meeting when adpressed; thirteen lamellae under fourth toe. 



Color in alcohol. — Above yellowish brown, somewhat lighter 

 on tail, with a median dark stripe broken by groups of very 

 small whitish dots; head darker with an indefinite dark inter- 

 orbital area, and a few minute scattered whitish dots ; a broad, 

 slightly undulous, dark line begins behind ear opening and con- 

 tinues on tail, the upper edge bordered by a row of small grouped 

 whitish dots; sides, below dark stripe, grayish brown with 

 numerous whitish dots which are also on sides of tail ; temporal 



