16 Lacertidx. 



Scales smooth or very obtusely keeled ; to 8 plates in the 



collar ; 10 or 11 femoral pores on each side. L. boscse, Bedr., p. 22. 



Scales feebly but very distinctly keeled ; 5 to 8 plates in the 



collar ; 8 or 9 femoral pores on each side. L. ivachei, Wern., p. 24. 



2. 52 to 80 scales across the middle of the body, usually 

 55 to 65, more or less strongly keeled ; a group of 

 small irregular plates iTsually present in the middle 

 of the pectoral region ; 5 to 16 femoral pores on 

 each side ..... L. longicaudata, Reuss, p. 25. 

 B. Dorsal scales larger than the laterals, gradating into the 

 caudals, 45 to 52 across the middle of the body ; 7 to 11 

 femoral pores on each side . . . L. carinata, Peters, p. 32. 



II. Apathy A, Mehely. Lower eyelid with a transparent disc formed 

 of 6 to 8 scales : frontal not grooved ; subdigital lamella? uni- 

 carinate ; dorsal scales granular and smooth, 67 to 74 across 

 the middle of the body ; 19 to 25 femoral pores on each 

 side ........ L. cappadocica, Wern., p. 34. 



1. LATASTIA JOHNSTONII. 



Latastla johnstonil, Bouleug. Aun. & Mag. N. H. (7) xix, 1907, 

 p. 392 ; Steruf. Mitt. Zool. Mus. Berl. v, 1911, p. 417. 



Ereinias nitida (uou Giinth.), Hewitt iSc Power, Tr. R. Soc. S. Afr. 

 iii, 1913, p. 156. 



Latadia kirdwelU, Bouleug. Tr. R. Soc. S. Air. v, 1919, p. 39. 



Body moderately depressed. Head rather depressed, \h to If times 

 as long' as Ijroad, its de])th e(|ual to the distance between the centre of 

 the eye and the tympanum, its length 3f to 4 J- times in length to vent 

 in males, 4^ to 4^^ times in females ; snout ol)tusely pointed, as long- 

 as postocular part of head, with sharp cauthus and vertical, grooved 

 loreal region. Pileus It to '2x times as long as broad, the shields 

 often rather rugose. Neck as broad as the head. Hind limb reach- 

 ing the shoulder or the collar in males, the axil or the shoulder in 

 females ; foot I3- to IJ times as long as the head ; toes slender, com- 

 pressed. Tail 2 to 2f times as long as head and body. 



Nostril pierced between 3 or 4 shit^lds, the nasal sometimes forming 

 a narrow rim separating it from the first upper labial ; nasals forming 

 a suture behind the rostral, the suture -3- to -| the length of the fronto- 

 nasal, which is much broader than long and broader than the inter- 

 narial space ; pn^frontals forming a median suture, sometimes with a 

 small azygos shield l)etween them ; frontal as long as or a little shorter or 

 a little longer than its distance from the end of the snout, 1 A to 2 times as 

 long as broad, rounded in front, much narrower behind, grooved along 



