258 



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, Utakvva river 2500 feet, Lorentz 

 river!. Hell wig 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 19 14, 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!, 

 Utakvva river, Lorentz river ! ). 



