28 



Body brown with a yellow median dorsal band; on the 

 flanks a row of scattered yellow dots. Otherwise similar to the 

 preceding species. (After Peters, not seen by me). 



Habitat: Borneo (Sarawak). 



4. Hemidactylus Gray. 



(Gray, Ann. Phil. (2) X p. 199, 1825). 



Digits free (fig. 18) or webbed (fig. 24), dilated, beneath with 

 two rows of lamellae ; all the digits with compressed distal clawed 

 phalanges, angularly bent and rising from within the extremity 

 of the dilated part (fig. 3). Dorsal scales uniform or hetero- 

 geneous. Pupil vertical. Males with praeanal or femoral pores. 



Distribution. Southern Europe; Southern Asia; Africa; 

 Tropical America; Polynesia. 



Key to the Ind o- Austral i an species. 



A. Digits quite free. 



I. Dorsal tubercles small, smooth, conical. 



a. Tail with rows of enlarged tubercles i. //. frcnatus p. 28. 



b. Tail depressed, flat inferiorly, with sharp denti- 

 culated lateral edge, covered above with uniform 

 small scales. A slight fold of the skin along 

 the sides of the belly and another bordering 



the thighs posteriorly 2. H. karcnorum p. 30. 



c. Tail round, depressed at the base, covered 

 above with uniform small scales. A fold along 



the sides of the belly 3. //• nigriventrls p. 31. 



II. Dorsal tubercles large, strongly keeled, arranged 



in 16 — 20 longitudinal rows ^. H. brooki p. 32. 



B. Digits more or less webbed. 



I. A fold on the sides of the body ; tail depressed, 



with sharp, denticulated lateral edge ^. H. garnoti p. 33. 



II. A cutaneous expansion from axilla to groin, 



digits nearly half-webbed 6. H. platyttrus p. 34. 



I. Hemidactylus frenatus Dum. & Bibr. 



Hemidactylus frenatus^ Dum. & Bibr., Erp. Gen. Ill 1836, p. 366. 

 Hemidactylus frenatus^ Boulenger, Cat. Liz. I 1885, p. 120 (s. syn.). 



Snout longer than the distance between the eye and the 

 ear-opening, one time and one third to one time and a half the 

 diameter of the orbit ; forehead concave ; ear-opening small, 



