8. Ly@osoma. . 255 
second, third, and fourth supraoculars ; five supraoculars, first very 
small, second and fifth longest, third and fourth broadest ; eight supra~ 
ciliaries ; frontoparietals distinct, smaller than the interparietal, which 
is as large as the frontal (without the narrow posterior portion) ; 
parietals forming a suture behind 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 preanals. The hind limb reaches the 
axilla. Digits long and slender, compressed, especially distally ; 
fourth toe much longer than third; subdigital lamelle 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. 
millim. nillim. 
Head ............ 10 Fore limb ........ 14 
Width of head .... 5 Hind limb........ 19 
Body ee iee Aucune 29 
Philippine Islands. 
a, Ad. ? Philippines, H. Cuming, Esq. [C.]. (Type.) 
41. Lygosoma vulcanium. 
Lipinia vuleania, Girard, Proc. Ac. Philad. 1857, p. 196, and U. 8. 
Explor, Exped., 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 ; 
prefrontals 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 preanals. 
Limbs slender and rather weak, barely meeting when adpressed. 
Digits very slender, compressed, with large smooth lamelle inferiorly. 
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 toa certain distance 
along the tail ; lower surfaces light brown. 
Caldera, Mindanao, Philippine Islands. 
