152 Iiacertidse. 



Tachydromus ocellatus (Cuv.), Gruer. Icon. E. An., Eept. pi. vi.fig. 3 

 (1829) ; Duvernoy, E. An., Eept. pi. xi (1836). 



Tachydromus typus, Gray, Ann. N. H. i, 1838, p. 389. 



Tachydromus sexlineatus, var. eeneo/uscus, Peters, Mon. Berl. Ac. 

 1863, p. 405. 



Tachydromus meridioiialis, Griinth. Eept. Brit. Ind. p. 70, pi. viii, 

 fig. D, and Ann. & Mag. N. H. (6) i, 1888, p. 167. 



Tachydromus sexlineatus, part., Bouleng. Cat. Liz. iii, p. 4 (1887)' 

 and Faun. Ind., Eept. p. 169 (1890) ; Giinth. Ann. & Mag. N. H. (6) 

 i, 1888, p. 167. 



Tachydromus sihldmensis, Griinth. I.e. 



Body not depressed. Head about twice as long as broad, its depth 

 equal to the distance between the centre of the eye and the tympanum > 

 its length 3f to 4^ times in length to vent in males, 4 to 4^- times in 

 females ; snout acutely pointed, with sharp cauthus and nearly 

 vertical loreal region, as long as postocular part of head. Pileus 2^ 

 to 21 times as long as broad. Neck narrower than the head. Hind 

 limb reaching the elbow or the axil ; foot as long as or a little longer 

 than the head. Tail 3 to 6 times as long as head and body. 



Nostril pierced between 3 or 4 shields. Eostral sometimes entering 

 the nostril; upper head-shields smooth or feebly rugose; frontonasal 

 as long as broad or longer than broad ; prefrontals forming a median 

 suture* ; frontal as long as or shorter than its distance from the end 

 of the snout, IJ to 2 times as long as broad, narrower behind than in 

 front, often with a median ridge ; parietals If to 2 times as long as 

 broad ; interparietal 1^ to 2 times as long as broad ; occipital usually 

 shorter than the interparietal, sometimes nearly as long and a little 

 broader, sometimes separated from it by onet or twoj small shields, 

 or by the parietals meeting in the middle. § 3 supraoculars, first 

 longer than second and in contact with the second loreal, third small 

 and rarelyll in contact with the frontoparietal ; 3, very rarely 4, super- 

 ciliaries, second longest ; granules between the supraoculars and the 

 superciliaries absent or reduced to one or two. Nasal usually forming 

 a very short suture with its fellow behind the rostral,*" and with the 



* Separated by one or two small azygos shields in one specimen from Saigon 

 and in another from Borneo. 



t In one specimen from Borneo and in one from Saigon. 



X In one specimen from Saigon. 



§ Single specimens from S. China, Saigon, Tay Ninh, Eangoon and Java. 



II One specimen from S. China, one from Saigon, and two from Great Xatuna. 



IT In single specimens from Ma Son Mts., Jalor, Great Natuna and Borneo 

 the rostral is narrowly in contact with the frontonasal. 



