16 Lacertidee. 



Scales smooth or very obtusely keeled ; 6 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. waahei, 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 usually present in the middle 

 of the pectoral region ; 5 to 16 femoral pores on 

 each side ■ i- longicaudata, Eeuss, 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. ApATHTA, Mehely. Lower eyelid with a transparent disc formed 

 of 6 to 8 scales ; frontal not grooved ; subdigital lamellse 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. 



Latastia joJmstonii, Bouleug. Aun. & Mag. N". H. (7) xix, 1907, 

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



Eremias nitida (non G-iinth.), Hewitt & Power, Tr. E. Soc. S. Afr. 

 iii, 1913, p. 156. 



Latastia hirdwelli, Bouleng. Tr. E. Soc. S. Afr. v, 1919, p. 39. 



Body moderately depressed. Head rather depressed, 1^ to If times 

 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 4J times in females ; snout obtusely pointed, as long 

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

 loreal region. Pileus 1-| to 2 i 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 li 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 shields, the nasal sometimes forming 

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

 a suture behind the rostral, the suture i to f the length of the fronto- 

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

 narial space ; prefrontals forming a median suture, sometimes with a 

 small azygos shield between them ; frontal as long as or a little shorter or 

 a little longer than its distance from the end of the snout.lito 2 times as 

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



