126 



Lacertldiv 



Scales strongly keeled, those ou the liack larL;er, about 5 corre- 

 spondiuf,' to 3 ventral plates, i^radually merging- into the laterals, of 

 which 7 or S correspond to 8 ventral plates ; 28 to 35 scales across 

 the middle of the body. Ventral plates in 6 longitudinal series, the 

 outer keeled, the others smooth or feebly keeled ; 24 transverse series. 

 Preanal plate large, smooth, bordered by a semicircle of small plates, 

 or with two small plates on each side. 



Scales ou upper surface of limbs large, keeled, larger than dorsals, 

 on forearm smooth and forming transverse plates. Usually 2, rarely 3, 

 femoral pores on each side. 29 lamellar scales under the fourth toe. 



Caudal scales strongly keeled, twice as large as largest dorsals, 16 

 in the fourth whorl. 



Bluish slate above, probably greenish in life ; a Ijlack line from the 

 nostril through the eye to the centre of the ear-opening ; a pale, 

 probably yellowish, streak below this from the nostril through the 

 lower eyelid to the. lower border of the ear-opening ; lower parts 

 greenish or yellowish-white. 



Measurements (in millimetres) : 



Habitat. — This species appears to be confined to Ishigaki Island, in 

 the Southern Glroup of the Loo Choo or Eiu Kiu Archipelago. The 

 type is pi-eserved in the U.S. National Museum. One of the co-types, 

 received from that Institution, is now in the British Museum. 



n. TACHYDROMUS. 



Tachi/dromus,f Daud. Hist. Kept, iii, p. 251 (1802) ; Wagler, Syst. 

 Amph. p. 157 (1830) ; Wiegm. Herp. Mex. p. 10 (1834) ; Dum. & 

 Bibr. Erp. Gc'u. v, p. 155 (1839) ; Gray, Cat. Liz. p. 52 (1845) ; Giinth. 

 Eept. Brit. lud. p. 69 (1864); Lataste, Ann. Mus. Genova (2) ii, 



* After Stejneger. 



t Originally misspelt Takydromus. 



