52 REPTILES. 



** Feet undivided. Femcffal pores 2-2. 



10. Caitia, Gray. 



Head pyramidical. Body very long, subcylindrical. Legs 

 undivided, mdiraentary, front legs very slender, elongate. Hind 

 feet short, compressed, thick, undivided. Femoral pores 2, large, 

 on each thigh. Tail very long, tapering, slender. 



The Caitia. Caitia Africana, Gray, Ann. N. H. i. 389. 

 Olive brown, rather paler on the sides. 

 Inhab. Cape of Good Hope. Mus. Chatham. 



c. Tail elongate, unarmed. The head pyramidical, elongate. Col- 

 lar distinct, formed of keeled scales. Nasal lateral, supra-nasal 

 none. Inguinal pores 2-2. Tachydromina. 



11. Tachydiiomus, Daud. 



Nostrils in the muzzle-ridge, in a single plate. Eyelids dis- 

 tinct. Collar scaly, toothed, slightly marked. Scales of the back 

 angular, keeled, in cross bands; of the sides granular; of the bel- 

 ly and throat imbricate, keeled. Inguinal pores 2-2, distinct. 

 Toes 5-5, slightly compressed, (not keeled beneath). Tail Very 

 long, with rhombic scales. 



The Tachydrome. Tachydromus sexlineatus, Daud. Rept. 

 iii. 256, t. 39. Brong. Class. 43, t. 2,/. 8. Dum. et Bib. E. G. v. 

 158. T. 4-lineatus, Daud. Rept. iii. 252. T. ocellatus, Guerin, 

 Icon. R. A. t. 5. T. typicus. Gray, Ann. N. H. i. 389. 



Olive, with a black-edged white streak, sides with black-edged 

 white spots ; dorsal scales in 4 longitudinal series, nearly square, 

 slightly imbricate, strongly keeled ; ventral shields strongly keel- 

 ed ; parietal plates oblong. 



a — d. Adult, in spirits. China. Presented by J. Reeves, Esq. 

 e. Adult, in spirits. Borneo. From the Leyden Museum. 

 /. g. Adult, in spirits. Borneo. Presented by Capt. Sir E. Bel- 

 cher, C.B., R.N. 



12. Tachysaurus. 



Throat granular, with keeled scales on the middle behind. 

 Collar toothed, of keeled rhombic scales. Ventral shields elon- 

 arate, narrowed on each side, the lateral ones keeled. 



The Size Musi. Tachysaurus Japonicus. Tachydromus Ja- 

 ponicus, Dum. et Bib. E. G. v. 161. Lacerta Tachydromoides, 

 Schlegel, Fauna Jap. 101, t. \,f. 5 — 7. 



Olive-green, with a yellow streak on each side ; scales of the 

 back rhomboidal, keeled, imbricate, in 6 longitudinal series; shields 

 of the belly slightly keeled ; head short ; parietal plates nearly as 

 broad as long, 

 a. In spirits. Japan. From the Leyden Museum. 



