169 



body. Limbs strong, the hind limb reaches the axilla; digits 

 long, compressed; fourth toe with 21 unicarinate, divided 

 lamellae below. 



Brown above, with a dark brown network, and yellowish 

 spots; a round black spot above the shoulder. Lower parts 

 yellowish. Length of head and body 48 mm.; tail 74 mm. 

 (After Boulenger, not seen by me). 



Habitat: New Guinea (Moroka in Bartholomew Range 2300 

 feet). 



Only one specimen known. 



5. Lygosoma mimikanum Boulenger. 



Lygosonia mimikanum^ Boulenger, Trans. Zool. Soc. London XX 1914, p. 257, 

 pi. XXIX fig. 2. 



Snout short, obtuse; lower eyelid scaly; ear-opening large, 

 oval, smaller than the eye-opening, the tympanum deeply sunk, 

 no lobules. Nostril in the nasal; a very small triangular supra- 

 nasal between the frontonasal, the nasal and the postnasal; 

 frontonasal more broad than long, in contact with the rostral and 

 with the single praefrontal (the praefrontals being fused in 

 the only known specimen); frontal narrowed behind, as long 

 as frontoparietals and interparietal together, in contact with 

 the first supraciliary and the three anterior supraoculars; seven 

 supraoculars, first longest, last very small; twelve supraciliaries, 

 first largest; frontoparietals a little larger than the interparietal; 

 parietals in contact; three pair of nuchals; fifth to seventh 

 upper labials below the eye. Body stout; the distance between 

 the tip of the snout and the fore limb is contained one time 

 and one third in that between axilla and groin; 40 smooth 

 scales round the middle, dorsals largest, laterals smallest; prae- 

 anals enlarged. Limbs strong, the hind limb reaches the elbow; 

 digits short, compressed, fourth toe with 15 or 16 lamellae 

 below, most of them obtusely keeled. 



Reddish-brown above, spotted with brown, the spots forming 

 numerous irregular transverse series; a dark brown spot behind 

 and below the eye; lips light, with dark brown spots. Lower 

 parts white. Length of head and body 90 mm.; tail (reprod.) 

 105 mm. 



Type-specimen examined in the British Museum. 



Habitat: New Guinea (Mimika river!). 



