GrilNODACTYLUS. 85 



Gemis GYMNODACTYLUS. 



Spix, Spec. iiov. Lacert. p. 17 (1825). 



Digits not dilated, clawed, cylindrical or slightly depressed at 

 the base ; the two or three distal phalanges compressed, forming 

 ■an angle with the basal portion of the digit ; the claw between 

 two enlarged scales, the lower of which is more or less deeply 

 notched under the claw ; digits beneath with a row of more or 

 less distinct transverse plates. Body with granular scales and 

 tubercles. Pupil vertical. Males with or without praeaual or 

 femoral pores. 



Borders of the Mediterranean, Southern Asia, Australia, Islands 

 of the Pacific, Tropical America. 



Four species in the Malay Peninsula. 



Synopsis of tlie Species. 



I. I.ower surface of tail covered with small 

 scales. 



Ear-opeuing- suboval, about one third diameter 



of eye ; male with prseanal and femoral 



pores G. mdinnoratns, p. 3o. 



Ear-opening subtriangular, about half diameter 



of eye; male with praeanal pores only G. pcr/uensis, p. 36. 



II. Lower surface of tail with a row of large 

 transverse plates. 



About 30 ventral scales in a transverse series ; 



males with a pubic groove containing pores ; 



femoral pores present <r. pidcheUus, p. 30. 



About oo ventral scales in a transverse series ; 



males without pubic groove, with preeanal 



pores only G. consobrimis, p. 37. 



21. Gymnodactylus marmoratus. 



Phyllums mca-inoratus (Kuhl), Fitzing. N. Class. IJept. p. 47 (1826). 

 Gymnodactylus marmoratus, Dum. ^V: Bibr. Erp. (xen. iii, p. 426, 



pi. xxxiv, fig. 1 (1836) ; Bouleng. Cat. Liz. i, p. 44 (1885) ; 



S. Flower, P. Z. S. 1899, p. 62 ; Laidlaw, P. Z. S. 1901, i, p. 304 ; 



Bouleng. Fascic. Malay., Zool. i, p. 148 (1903). 



Ear-openiug suboval, oblique, about one third diameter of eye. 

 Limbs rather elongate ; digits strong, slightly depressed at the 

 Ijase, with well-developed transverse plates inferioriy. Head 

 granular, with very small tubercles on the occipital and temporal 

 regions ; rostral with median cleft above, entering the nostril ; 

 10 to 12 upper and 9 or 10 lower labials ; symphysial triangular ; 

 two or three pairs of chin-shields, median largest and forming a 

 suture behind the symphysial. Body and limbs co\ered above 

 with small granules intermixed with small roundish, feebly keeled, 

 subtrihedral tubercles ; a more or less defined series of tubercles 

 from axilla to groin, limiting the abdominal region ; ventral Bcaies 



d2 



