146 REPTILES. 



38. Gymnodactylus. Tail rather depressed, tapering, with rings 

 of tubercles. Back tubercular. Preanal pores in a curved 

 series. 



39. Phyllurus. Tail depressed, cordate, end round, tapering. 



D. Toes and thumbs clawed, cylindrical, tapering, toothed on the 

 side, the plates beneath transverse, many-keeled, denticulated. 



40. Stenodactylus. 



I. Toes dilated, with 2 rows of memhranaceous plates beneath the 



dilated part. 



A. The last joint of the toes short, compressed, clawed, sheathed in 

 the notch between the front of the 2 series of plates. Claws 

 5-5. Thecadactylina. 



a. Toes ovate, notched. Plates under the toes transverse, equal. 



Toes dilated to the base. 



1. Thecadactylus, Cuvier. Thecodactylus, Gray, Wagler, 

 Weigmann. Platydactylus, part, Dum. et Bib. 



Toes half webbed, clawed, dilated, ovate, with a regular series 

 of close transverse scales beneath, separated by a deep central 

 groove, inclosing the claw. Thumb clawed, like the toes. Scales 

 of the back very minute, equal. Body with a very slight fold on 

 each side. Femoral nor preanal pores none. Vent with a blunt 

 tubercle on each side. Tail round, tapering (often swollen near 

 the base when reproduced), covered with squarish scales, which 

 are rather larger on the under side. 



The Turnip-tailed Gecko. Thecadactylus rapicaudus. 

 Gecko rapicauda, Houtt. Act. Acad. Harl. ix. 322, t. 3,/. 1. Gmel. 

 S. N. 1068. Baud. Rept. 141, ^ 51. Stellio perfoliatus, Schneid. 

 Amph. 26. Shaw, Zool. iii. 268. Gecko laevis, Daud. Rept. iv. 

 112, t. Merrem, Tent. 42. Tilesius, Munich Trans. 1811, t. 1, 

 /. 1,2, (tail entire). G. Surinamensis, Daud. Rept. iv. 126. Pla- 

 tydactylus Theconyx, Dum. et Bib. E. G. iii. 306. 



Brown, darker marbled ; scales of the back 6-sided, with mi- 

 nute brown specks ; lower labial shield with a marginal series of 

 chin-shields, the 2 front the largest, oblong; base of the tail with 

 a conical tubercle on each side. 



a — d. In spirits. Tail reproduced, swollen at the base, tapering 

 at the end, acute. Trop. America. 



e. In spirits. Tail slender, coloured like the back. Nevis. Pre- 

 sented by Thomas Cottle, Esq. 



/. In spirits. Tail short, reproduced. Trop. America. 



