2 5 8 



Mt. Arfak, Sorong, Mt. Epa, Rubi, Manokwari, lake Sentani ! , 

 Moaif!, Tawarin!, Jamur!, Manikion river!, Wendesi!, Tami 

 river!, Mosso river!, Kaiserin-Augusta river!, Humboldt Bay! , 

 Mimika river, Stekwa river, Utakwa river 2500 feet, Lorentz 

 river!, Hellwig Mts. 1000 1300 M. !, Astrolabe Bay!, St. 

 Joseph's river district, Haveri, Rigo, Aroma, Inawi, Kelesi, Mt. 

 Victoria in Owen Stanley Range) ; Schouten Islands (Mysore) ; 

 Aru Islands. Ferguson Island. 



99. Lygosoma tropidolepis Boulenger. 



Lygosoma tropidolepis^ Boulenger, Transact. Zool. Soc. London XX 1914, p. 260, 

 pi. 29 fig. 4. 



Snout moderate, obtusely pointed; lower eyelid with a 

 transparent disk; ear-opening round, a little larger than the 

 palpebral disk, with small lobules anteriorly or all round. 

 Nostril between three shields, a nasal, a postnasal and a supra- 

 nasal ; frontonasal much more broad than long, broadly in contact 

 with the rostral, narrowly with the frontal; latter a little 

 longer than the frontoparietal, in contact with the two anterior 

 supraoculars ; four supraoculars, seven, or eight supraciliaries; 

 frontoparietal single and fused with the interparietal; parietals 

 in contact behind the latter; a pair of nuchals and one or 

 two pair of temporals; four or five labials before the large 

 subocular. Body with 34 or 36 scales round the middle, dorsals 

 and laterals with two to five, generally three, strong, sharp keels ; 

 dorsal scales largest, laterals smallest; the distance between 

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

 to one time and one fourth in that between axilla and groin ; 

 praeanals not enlarged. Tail one time and two thirds the length 

 of head and body. Limbs strong, the hind limb reaches the 

 axilla or the shoulder; digits long, compressed at the end; 

 fourth toe with 34 40 smooth lamellae below. 



Dark brown above, iridescent, with small black spots; some- 

 times an indistinct light dorso-lateral streak ; sides with whitish, 

 black-edged spots; labials each with a small, dark, vertical 

 stripe. Lower parts greenish-white. Length of head and body 

 72 mm.; tail 123 mm. 



Type-specimens examined in the British Museum. 



Habitat: New Guinea (Mimika river!, Stekwa river!, 

 Utakwa river, Lorentz river ! ). 



