8. LYGOSOMA. 255 



second, third, and fourth supraocuhirs ; five supraoculars, first very 

 small, second and fifth longest, third and fourth hroadest ; eight supra- 

 ciliaries ; frontoparietals distinct, smaller than the interparietal, which 

 is as large as the frontal (witliout the narrow posterior ])ortion) ; 

 parietals forming a suture hehind the interparietal ; two or three pairs 

 of nuchals ; four labials anterior to the subocular. Ear-opening 

 vertically oval, nearly as large as the eye-opening ; tympanum 

 scarcely sunk. 24 scales round the middle of the body, perfectly 

 smooth ; dorsals, especially the two vertebral series, largest, laterals 

 smallest. Two enlarged pra3anals. The hind limb reaches the 

 axilla. Digits long and slender, compressed, especially distally ; 

 fourth toe much longer than third ; subdigital lamelkc smooth, 21 

 under the fourth toe. Brown above, with a broad whitish vertebral 

 band, beginning on the snout, edged on each side by a broad dark 

 brown band ; a dark brown streak on each side, from the eye to 

 the groin ; limbs brown-spotted ; lower surfaces whitish. 



Philippine Islands. 

 a. Ad. ? Philippines. H. Cuming, Esq. [C.]. (Type.) 



41. Lygosoma vulcanium. 



Lipinia vulcania, Girard, Proc. Ac. I'hilad. 1857, p. 196, and U. S. 

 Exphr. Kiped., Herp. p. 254. 



Snout short and subacute. Lower eyelid with an undivided 



transparent disk. Nostril pierced in the middle of the nasal ; no 



supranasal ; frontonasal forming a broad suture with the rostral ; 



prsefrontals forming a median suture : frontal elongate, sublanceolate, 



tapering posteriorly to an acute angle extending somewhat beyond 



the middle of the supraocular region ; four supraoculars, first and 



fourth longest, second and third broadest ; frontoparietals and 



interparietal distinct ; parietals forming a suture behind the 



interparietal ; six upper labials, third, fourth, and fifth bordering the 



orbit. Ear-opening large, subcircular, without lobules ; tympanum 



somewhat sunk. 30 scales round the middle of the body, smooth, 



subequal, somewhat smaller on the flanks. Two large pra}auals. 



Limbs slender and rather weak, barely meeting when adpressed. 



Digits very slender, compressed, with large smooth lamellae interiorly. 



Tail as long as head and body. Light brown above, with darker 



specks ; a lateral dark brown streak, interrupted or speckled with 



whitish or yellowish, extends from the eye to a certain distance 



along the tail ; lower surfaces light brown. 



Caldera, Mindanao, Philippine Islands. 



