27. GEHYRA. ■ 149 



Hemidactyhis (Peripia) mutilatus, Peters, Mon. Berl. Ac. 1867, 



p. 14 ; Anders. Zool. W. Yunnan, i. p. 799. 

 Peropus packardii, Cope, Proc. Ac. Philad. 1868, p. 319. 

 Peripia mutilata, Giinth. Proc. Zool. Soc. 1873, p. 168 ; Peters Sr 



Doria, Ann. Mus. Genov. xiii, 1878, p. 370. 



Head longer than broad ; snout longer than the distance between 

 the eye and the ear-opening, about once and one third the diameter 

 of the orbit ; forehead with a median groove ; ear-opening mode- 

 rately large, suboval. Body and limbs moderately elongate, de- 

 pressed ; a fold of the skin bordering the hind limb posteriorly. 

 Digits short, more or less webbed at the base ; the inferior lamellas 

 angular, divided by a median groove. Upper surfaces and throat 

 covered with small granular scales, largest and flat on the back. 

 Abdominal scales moderate. Eostral quadrangular, broader than 

 high, with a median cleft superiorly ; nostril pierced between 

 the rostral, the first labial, and three nasals, the upper much the 

 largest and generally in contact with its fellow ; eight or nine upper' 

 and six or seven lower labials ; mental moderately large, penta- 

 gonal ; chin-shields three pairs, inner very large, elongate, outer 

 small, frequently broken up into small scales ; the distance from the 

 border of the lip to the extremity of the median pair of chin-shields 

 equals the diameter of the orbit. Femoral pores in a doubly curved 

 line, angular medially, fourteen to nineteen on each side. Tail 

 depressed, normally with a sharpish, minutely serrated lateral edge ; 

 its upper surface covered with very small flat scales, its lower sur- 

 face generally with a median series of large transversely dilated 

 scales. Greyish or reddish-brown above, uniform or dotted or varie- 

 gated with darker ; lower surfaces uniform whitish. 



Total length 114 millim. 



Head 16 „ 



Width of head 12 „ 



Body 41 „ 



Fore limb 16 



Hind limb 21 



TaU 57 „ 



Mascarene Islands ; Seychelles ; Ceylon ; Birma ; Malay penin- 

 sula and archipelago ; New Guinea ; Western Mexico. 



a. Hgr. Mauritius. 



6. Many spec. : S > Rodriguez. Transit of Venus Exp. 

 2 , hgr., & yg. 



c. S- Rodriguez? A. TSewton, Esq. [P.]. 



d. S- Seychelles. Dr. E. P. Wright [P.]. 

 e,f. $. Ceylon. Dr. Kelaart. 



g. 2 . Ceylon. W. Ferguson, Esq. [P.]. 



X. Hgr. Ceylon. " G. H. K. Thwaites, Esq. [P.]. 



i. 5 . S. Ceylon. 



k-m. S $ . Pegu. W. Theobald, Esq. [C,]. 



n-o. (S § . Penang. Dr. Cantor. 



p. (S . Indian archipelago. Dr. Bleeker. 



