20. CALODACTILT78.— '21. PTTODACTTLUS. 109 



supraorbital and canthal ridge ; five deep concavities, viz. a frontal, 

 two postnasals, and two loreals ; snout longer than the distance be- 

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

 of the orbit ; ear-opening vertical, measuring half the diameter of 

 the eye. Body not much depressed. Limbs long, slender. The width 

 of the digital expansion measures about half the diameter of the 

 eye. Head covered with very small granules, largest on the canthal 

 ridges; rostral four-sided, twice as broad as high, its posterior 

 border concave ; nostril pierced between the rostral, the first labial, 

 and three nasals, the anterior large and in contact with its fellow; 

 twelve or thirteen upper and as many lower labials ; mental as 

 large as, or smaller than, the adjacent labials ; no regular chin- 

 shields, but small polygonal scutes passing gradually into the 

 granules which cover the gular region. Upper surfaces covered 

 with minute granules; back with scattered, scarcely prominent, 

 smooth, round, larger tubercles, hardly as large as the ventral scales; 

 latter flat, smooth, squarish, juxtaposed, arranged like the bricks of 

 a wall. Tail long, cylindrical, remarkably slender, covered with 

 squarish scales which are much larger inferiorly. Brownish white 

 above (golden during life), dotted or vermiciilated with brown ; 

 lower surfaces whitish. 



Total length 169 millim. 



Head 23 „ 



AVidth of head 18 „ 



Body 66 „ 



Fore limb 35 „ 



Hind limb 47 „ 



Tail 80 „ 



Southern India. 



a-b. Ad. Eastern Ghats. Col. Beddome [P.l (Types.) 



c. Several spec. N. Arcot. Col. Beddome [C. j. 



21. PTYODACTYLUS. 



Ptyodactyles, part., Cuv. R. A. ii. p. 49. 



Ptyodactylus, Gray, Ann. Phil. (2) x. 1825, p. 498; Fitzing. N. Class. 



Rept. p. 13; Wayl. Syst. Amph. p. 143; Wiegm. Herp. Mex. p. 20; 



Fitzing. Syst. Rept. p. 96; Gray, Cat. p. 151. 

 Ptyodactylus, part., Dum. 8f Bibr. iii. p. 375. 



Digits slender, free, with a series of transverse plates inferiorly, 

 the extremity strongly dilated, with two diverging aeries of lamellae 

 inferiorly ; every digit armed with a claw retractile in the anterior 

 notch of the distal expansion. Body covered above with small 

 granular scales, uniform or intermixed with enlarged tubercles; 

 abdominal scales scarcely imbricate. Pupil vertical. No prseanal 

 nor femoral pores. 



North Africa ; South-western Asia ; Sind. 



