21, PTTODACTTLTJS. 22, THECADACTTLUS. Ill 



0. 2- Galilee. Dr. Anderson [P.]. 



vs. (S & hgr. Bou Saada, Algerian M, F. Lataste [P.J. 



Sahara. (As typical of P. oudm.) 



2. Ptyodactylus homolepis. 



Ptyodactylus homolepis, Blanford, Proc. As. Soc. Beng. 1876, p, 19, 

 pi. ii. 



General characters of P. lobatus. Upper surfaces not intermixed 

 with tubercles. Nostril pierced between three swollen nasals, 

 neither the rostral nor the first labial entering the nostril ; fourteen 

 or fifteen upper and as many lower labials. Light brownish grey 

 above, with broad transverse wavy bands of lighter and darker 

 shades ; white beneath. 



Total length 190 millim. 



Head 29 „ 



Width of head 23 „ 



Body 76 „ 



Fore limb 48 ., 



Hind limb 60 „ 



Tail 85 „ 



Sind. 



a-b. Ad. & hgr. Khirthar Range. W. T. Blanford, Esq. [P.]. (Types.) 



22. THECADACTYLUS. 



Thecadactyles, Cuv. B. A. ii. p. 48. 



Thecadactylus, Gray, Ann. Phil. (2) x. 1825, p, 198 ; Fitzing. N. 



Classif. Bept. p, l.'J ; Gray, Cat. p. 146, 

 Thecodactylus, Gray, Griff. A. K. ix. Syn. p. 50 ; Wagler, Syst. Amph. 



p. 142 ; Wiegm. Herp. Mex. p. 20 ; Fitzing. Syst. Bept. p. 98. 

 Platydactylus, part., Bum. 8f Bihr. Erp. Gen. iii. p. 290. 



Digits strongly dilated, more or less webbed, inferiorly with two 

 series of regular transverse lamellae divided by a median groove, 

 with a retractile claw sheathed in a groove between the anterior 

 lamellae; the claw of the inner digit very indistinct or absent. 

 Upper surfaces covered with juxtaposed scales ; belly with imbricate 

 scales. Pupil vertical. 



Tropical America ; islands of Torres Straits. 



1. Thecadactylus rapicaudus. 



Thecadactylus rapicaudus, Gray, Cat. p. 146. 

 Gecko rapicauda, Houttuyn, Verh. Genotsch. Vlissing. ix. p. 322, 



pi. iii. fig, 1 ; Baud. Bept. iv, p. 141, pi. Ii. 

 Lacerta rapicauda, Ginel. S. N. i. p. 1068. 

 Stellio perfoliatus, Schneid. Amph. Phys. ii. p. 26. 

 Gecko Isevis, Baud. I. c. p. 112. 



surinamensis, Baud. I. c. p. 126. / 



Thecadactylus laevi.s, G7'ny, Ann. Phil. (2) x. p. 108. 

 Platydactylus theconyx, Bum. ^ Bihr. iii. p. 306, pi. xxxiii, fig. 2, 



