1 86 



24. Lygosoma aruanum Roux. 



Lygosoma aruanum^ RouX, Abh. Senckenb. Ges. XXXIII 1910, p. 2l6, Taf. 

 XIII, fig. I. 



Snout short, rounded; lower eyelid scaly; ear-opening oval, 

 a little smaller than the eye, no lobules. Nostril in the nasal; 

 no supranasals; rostral visible from above; anterior loreal in 

 contact with the two anterior labials ; praefrontals forming a 

 suture ; frontal as long as the frontoparietals and interparietal 

 together, in contact with the two anterior supraoculars; five 

 supraoculars, first longest; nine supraciliaries, first largest; 

 frontoparietals and interparietal distinct, latter a little longer 

 than former; parietals in contact; four pair of nuchals; fifth 

 upper labial below the eye. Body with 28 smooth scales round 

 the middle, laterals smaller than dorsals, the two vertebral 

 series enlarged ; the distance between the tip of the snout and 

 the fore limb is contained one time and two fifths in that 

 between axilla and groin ; praeanals enlarged. Tail thick, longer 

 than head and body (reproduced); the scales of the median 

 series below largest. Limbs short, not meeting when adpressed ; 

 digits moderate, compressed, fourth toe with 16 keeled 

 lamellae below. 



Brown above, with many small dark spots, largest in the 

 dorso-lateral region and forming a longitudinal series, beginning 

 at the eye; lips, flanks and tail greyish with darker spots; 

 head dark-spotted; limbs brown and black, digits grey. Lower 

 parts white; throat with irregular grey spots. Length of head 

 and body 52 mm.; tail 54 mm. (After Roux, not seen by me). 



Habitat: Aru Islands (Dobo on Wammer). 



25. Lygosoma undulatum Peters & Doria. 



Lygosoma (Hifiulia) undulatum^ Peters & Doria, Ann. Mus. Civ. Genova XIII 



1878, p. 343. 

 Lygosoma undulatum, Boulenger, Cat. Liz. Ill 1887, p. 238. 



Snout short, obtuse ; lower eyelid scaly ; ear-opening oval, much 

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

 no supranasals; frontonasal more broad than long, in contact 

 with the rostral, which is narrowed and produced superiorly; 

 praefrontals forming a suture; frontal not or slightly longer 

 than the frontoparietals, in contact with the two anterior 

 supraoculars; five supraoculars, first twice as long as second 



