142 NELLY DE ROOV. REPTILES. 



one pair of nuchals and tvvo temporals on each side ; orbit separated from the upper labials 

 by a séries of small scales ; fourth upper labial below the eye, five upper and four lower 

 labials. Body long, 34 — 38 smooth scales round the middle ; praeanals strongly enlarged. Tail 

 thick, one time and one third the length of the body, with flat upper surface and sides and 

 sharp edges at the base. Limbs short, widely separated when adpressed ; digits short, 14 lamellae 

 under the fourth toe. 



Pale brown above, with 7 — 9 dark brown longitudinal lines, about 3 / 4 — 1 mm. broad, 

 covering the middle part of the scales; on the flanks thèse lines are broken up and fuse; 

 head lead-coloured; tvvo oblique yellowish streaks from the eye to the throat. Lower parts 

 yellowish; throat with dark brown spots; lower part of tail dark brown. Known from Sattel- 

 berg (type) and the Lorentz River. The latter spécimen lias a length of 58 mm. from snout to 

 vent, tail 6j mm. (tip reproduced). 



25. Lygosoma oligolepis Blgr. 



Boulenger, Trans. Zool. Soc. XX 1914, p. 261, pi. XXX, fig. 2. 

 de K.00Y, Indo-Austr. Rept. I 19 15, p. 218. 



Bivak Island 1912, 1 spec. 



Section Lygosoma. Head small, flat; snout obtusely pointed; lower eyelid scaly; ear- 

 opening oval, slightly smaller than the eye-opening, no lobules. Nostril in the nasal ; fronto- 

 nasal more broad than long, in contact with the rostral and with the frontal; praefrontals 

 small, separated ; frontal broader than the supraocular région, more long than broad, smaller 

 than the frontoparietals and interparietal together, in contact with the first supraciliary and 

 the tvvo anterior supraoculars ; four supraoculars ; seven supraciliaries ; frontoparietals and inter- 

 parietal subequal ; parietals in contact ; three to five pair of broad nuchals ; fifth upper labial 

 below the eye. Body long; the distance between the tip of the snout and the fore limb is 

 contained twice in that between axilla and groin; 24 smooth scales round the middle, the 

 tvvo vertébral séries enlarged ; praeanals enlarged. Tail thick, one time and a half the length 

 of head and body. Limbs short, widely separated when adpressed; digits short, compressed ; 

 fourth toe with 12 or 13 lamellae below. 



Dark brown above, dotted with yellovvish-brovvn ; frontal and part of the fronto- 

 parietals yellowish; lips dark brown. Lower parts yellowish, throat, sides and tail spotted 

 with dark brown. 



The type-specimen is from the Mimika River, Dutch South-West New Guinea. The 

 spécimen from Bivak Island measures 49 mm. + 72 mm. 



26. Lygosoma longicaudatum n. sp. 



de Roov, Indo-Austr. Rept. 1 1915, p. 220 fig. S4. 



Alkmaar 1909, 1 spec. 

 Kloof Camp 1912, 1 spec. 



Section Lygosoma. Head small, flat ; snout short, obtuse ; lower eyelid scaly ; ear-opening 

 oval, half the diameter of the eye-opening, no lobules. Nostril in the nasal; no supranasals; 

 rostral reaching between the nasals; frontonasal twice as broad as long, in contact with the 



