GEHTRA. 47 



Si/no2)sis of the S2)ecu'S. 



I. Tail depressed, witli angular, liuely serrated 



lateral edge ; digits with at least a rudiiuent 



of web. 

 to 8 divided lamellfe under the median digits. ... G. nmtilata, p. 47. 

 3 or 4 divided lamellaj under the median digit.'* . . G. hutleri, p. 47. 



II. Tail subcylindrical ; digits free, with the sub- 



digital lamellae undivided G. Idndcnsis. p. 48. 



42. Geliyra mutilata. 



Hemidacfi/Ius [Peropiis) miitilatas, WieiJrm. X. Acta Ac. Leop.-Carol. 



xvii, p.'238 (1835). 

 Feripia pcronii, Giinth. llept. Brit. Ind. p. 110 (1864). 

 Geliyra mutilata, Bouleng. Cat. Liz. i, p. 148 (1885) ; id. Faun. 



Brit. Ind., Rept. p. 9(3 (1890). 



Body and limbs depressed ; a fold oE the skin bordering the 

 hind limb posteriorly. Digits short, more or less webbed at the 

 base ; the inferior lamella3 angular, divided by a median groove, 6 

 or 8 under the median digits. Rostral with median cleft above, 

 entering the nostril ; 8 or 9 upper and or 7 lower labials ; 

 symphysial moderately large, pentagonal ; 3 pairs of chin-shields, 

 inner very large, elongate, outer small, frequently broken up into 

 small scales. Femoral pores in a doubly curved line, angular in 

 the middle, 14 to 19 on each side. Tail depre.ssed, normally with 

 a sharpish, minutely serrately lateral edge. Greyish or buff 

 above, sometimes nearly white, uniform or dotted or variegated 

 with darker ; young yellowish brown or purplish brown above, 

 spotted with yellow and dark bro\\n or black, and with a dark 

 line on each side of the head. 



From snout to vent 60 millim. ; tail 60. 



Mascarene Islands, Seychelles, Madagascar, Burma, Siam, 

 Malay Peninsula and Archipelago, New Guinea, Western 

 Mexico. 



A common house gecko in Penang and Singapore. Less 

 numerous in houses on the mainland ot: tlie Peninsula, but very 

 common on the trunks of coco-palms. 



43. Gehyra butleri. 



Bouleng. .Journ. Nat. Hist. Soc. liombav, xiii, p. 333, pi. — , fig. 1 

 (1901) ; id. Fa.scic. Malay., Zool. i, p.l49 (1903). 



Body elongate, limbs short. Digits with a rudiment of web, 

 the basal part granulate beneath, the distal part strongly dilated, 

 with curved or angular lamellae : the 3 or 4 last of which are 

 divided by a median groove : 7 lamelhe under the fourth toe. 

 Rostral with median cleft above, entering che nostril ; 8 upper 

 and 6 or 7 lower labials ; two pairs of elongate chin-shields. Tail 

 depressed, with angular, finely serrated lateral edge. Reddish 

 brown above, with whitish dots and three longitudinal series of 



