286 scDrrroi. 



81. Lygosoma albertisii. 

 1' Heteropus bicarinatuSj Macleay, Proc. Linn. Soc. X. S. Tf'alej>, ii. 



isrr, p. 6;?. 



Heteropus albertisii, Peters t^' Dona, Ann. Mug. Genuva, xiii. Is-TS, . 

 p. 3t)2. 



Habit lacertiform ; the distance between the end of the snout and 

 the fore limb is contained once and one fifth to once and one third 

 in the distance between axilla and groin. Snout moderate, obtuse. 

 Lower eyelid with an undivided transparent disk. Xostril pierced 

 in the nasal ; no supranasal : frontonasal broader than long, broadly 

 in contact with the rostral, in contact with the frontal : latter 

 shield as long as or a little shorter than the frontoparietal, in con- 

 tact with the first and second supraoculars ; four supraoculars : five 

 or six supraciliaries ; frontoparietal single, followed by a small in- 

 terparietal ; parietals forming a median suture : a pair of nuchals 

 and a pair of temporals border the parietals : four upper labials 

 anterior to the subocular. Ear-opening oval, about as large as the 

 transparent palpebral disk, bordered all round by long and acute 

 lobules, those on the anterior border the largest. 30 to 32 scales 

 round the middle of the body ; dorsals and laterals sharply bieari- 

 nate ; anterior nuchals tri- or quinquecarinate ; lateral scales smaller 

 than dorsals. Pneanal scales not or scarcely enlarged. The hind 

 limb reaches the axilla. Fingers four, toes five : subdigital lamellae 

 smooth, 2S to 'S'2 under the fourth toe. Tail once and three fourths 

 to twice the length of head and body. Ulive or brownish above, 

 uniform or with three lighter longitudinal streaks ; lower surfaces 

 yellowish or greenish white. 



mniim, miUim. 



Total length 12-5 Fore limb 15 



Head 10 Hind limb 21 



Width of head 7 TaU 82 



Body 33 



Southern Xew Guinea and islands of Torres Straits. 



a. Ad. Fly River. Rev. S. Macfarlane [C.l. 



b-d, e-i. Ad. Murray Island. Rev. S. Macfarlane [C.j. 



82. Lygosoma peromi. 



Ileteropus permii. Gray, Cat. p. lOS. 

 Heteropus peronii, I)um. ^- Bibr. v. p. 760. 



? Myophila vivax, De Vis. Proc. Roy. Soc. QueensL i. 1664, p. 77. 

 ? Heteropus lateralis, De Vis, t. c. 1885, p. 168. 

 "^ Heteropus blackmanni, De Vis, I. c. 



a 



Habit lacertiform ; the distance between the end of the snout 

 and the fore Hmb is contained once and one fourth to once and one 

 third in the distance between axiUa and groin. Snout short, ob- 

 tuse. Lower eyelid with a very large transparent disk, the eye 



