126 



Lacertidn 



Scales strongly keeled, those on the liack larger, about 5 corre- 

 sponding to o ventral plates, gradually merging into the laterals, of 

 which 7 or 8 correspond to 3 ventral plates ; 28 to 35 scales across 

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

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

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

 or with two small plates on each side. 



Scales on 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, l(i 

 in the fourth whorl. 



Bluish slate above, probably greenish in life ; a black 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) : 



From end of snout to vent 



,, ,, ,, fore limli 



Length of head 

 Width of head 

 Depth of head 



Fore limb .... 

 Hind limb .... 



Foot 



Tail 



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

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

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

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



]]. TACHYDROMQS. 



Tac}nidnm,i(g,f Baud. Hist. Kept, iii, p. 251 (1802) ; Wagler, Syst. 

 Amph. p. 157 (1830) ; Wiegni. Herp. Me.x. p. 10 (1834) ; Duni. & 

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

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



* After Stejneger. 



t Ori!,'iiially misspelt Tal;ijdromus. 



