CLASS REPTILIA. 



a. Toes dilated to base, scales imder toes transverse^ thumb 



clawless, femoral pores, none. Thecodactylus, Cuv. 

 Smooth Sheath claw. Thecadactylus Icevis, Daud. 

 Tail round, conical ; grey, brown marbled ; tail when repro- 

 duced, turnip shaped. Gecko rapicauda, Daud. iv. t. 31. 



b. Toes, base, slender ; scales 2 or 3 at the tips. Phyllodac- 



tylus, Gray. 



Beautiful sheath claw. Phyllodactylus pulchellus. Gray, 



Spic. Zool. 



c. Tail round, femoral pores, none. 



Porphyry sheath claw. Thee, porphyreus, Gecko, Daud. 



Pale reddish, marbled with many roundish pale spots, Java. 



d. Scales under the toes radiating, toes, slender, tail 

 round, slender, femoral pores, distinct. Ptyodactylus, Cuv. 



Egyptian sheath claw. Thecodactylus Lobatus, Gecko, 

 GeofF. Kept. Eypt. t. 3, f. 5. Gecko Ascolobates, Merrem. 

 Pale brown , with larger scattered scales. Egypt. Ptyodac- 

 tylus Guttatus, Ruppel. t. 4, appears scarcely distinct. 



e. Toes bare, webbed ; tail, body, and limbs, margined. 



Uroplates. 



Fimbriated sheath claw. Thecodactylus Jimbriatus, Gecko, 



Daud. iv. t. 52. 



Pale brown, scales minute, with scattered larger ones. Mada- 

 gascar, Mus. Brit. Gecko Sarroube, appears to differ very 

 little, if at all, and Lacerta Caudiverbera, Seba, ij. t. 103, 



f. 2, is only known from La Feuille's account. 



III. Toes, base dilated, with a double row of oblique scales 



beneath, last joint compressed. Hemidactylus. 

 Warty Gecko. Gecko Verrucosus, Cuv. Lac. Turcica. 



Lin. Edw. t. 204 ? 

 Reddish grey ; back scattered with roundish tubercles ; 

 subanal pores only. 

 50 



