152 REPTILES. 



The Sharp-tailed Famocantrata. Uroplateslineatus. Pty- 

 odactyliis lineatus, Dum. et Bib. E. G. iii. 384, t. 31,/. 1 — 3. 



Yellowish white, with 5 or 6 brown streaks above ; sides with 

 a simple fold of skin ; tail round, with a membrane on each side, 

 ending in a point. 



Inhab. ? Mus. Paris, 1 specimen. 



8. Caudiverbera. Caudiverbera, part, Lawr. 



Toes half webbed, rather narrow at the base (granular beneath), 

 dilated at the end, terminal disk notched in front for the claws, 

 with 2 rows of diverging scales beneath. Tail with a deeply scal- 

 loped membrane on each side. Sides simple, rounded. Back and 

 tail with membranaceous crest. Preanal and femoral pores none. 



The Caudiverbera. Caudiverbera Peruviana, Laur. Syn. 43. 

 Salamandre aquatique et noire, Feuillee, Journ. Observ. Phys. df-c. 

 i. 319. Lacerta Caudiverbera, Linn. S. N. i. 359. Merrem., Tent. 

 40. Gecko cristatus, Daud.. Rept. iv. 167. Ptyodactylus Feuil- 

 laei, Dum. et Bib. E. G. iii. 386. 



Bluish black ; eyelids and beneath slate-coloured. 



Inhab. Chili, near Conception. 



This species is only known from M. Feuillee's description ; 

 it is said to grow to 45 inches long. 



B. The tivo last joints of the toes free, compressed, produced beyond 

 the dilated joints, clawed. Hemidactylina. 



*** Thumb ivith a compressed and clawed last joint, like the toes. 



9. Hemidactylus, Cuv. 



Toes free, pear-shaped, dilated towards the end, with 2 series 

 of diverging scales beneath, the last joint compressed, free, ex- 

 serted, clawed. Thumb elongated, like the toes, clawed. Back 

 granular, generally with cylindrical series of large tubercles. Bo- 

 dy with a very slight ridge upon the low^er part of the side. Tail 

 rather depressed, hexangular above, with cross rings of spines, ra- 

 ther convex beneath, rounded on the side beneath. The chin- 

 scales are very variable in specimens of the same species. 



* Tail with rings of spines. Back tubercular. 



\ Tubercles of back large, keeled. 



The Triangular Tubercled Hemidactyle. Hemidactylus 

 trihedrus. Lesson, Belanger, Voy. 311, t. 5,f. 1. Dum. et Bib. E. 

 G. iii. 356, t. 38,/. 8. Daud. Rept. iv. 155. Merrem, 41. Wolf. 

 Abbild. t. 20, f 1. 



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