CHAXIAL CHARACTERS OF LACERTA JACKSOXI. 



23 



two original parts composing the single frontal in the adult of 

 this genus also *. 



Text-fiiT. 6. 



so. 2.. 



SO. 3 



A. LumiwA s\\\->rR.c\\\a.Yh of Lacerfajacksoni, $. Right side. 



B. Supraorbital bone of jC.,/acl-so»;, $. Right side, ventral aspect. 



C. Supraorbital bone of i.,;arA;.50»<', ?. Left side, ventral aspect. 



T)-I. Showinar configuration of nasal process of prsemaxillarj' and outer nasal 

 apertures of — (D) L.jacksoni, S \ (K) L. Jacksoni, $ ; (F) X. miiralis, f. typica, 

 S , from Vienna; (G) L. Diurcdis, f. typica, (? , from Turin; (H) L. vivijwra, S i 

 (I) L. ac/ilis, 3^. X6i. 



pr.f., prasfi'ontale : so., scuta supraocularia (1-4); sc, scutum supraciliare ; 

 s.r., scutum retrociliare; s.or., supraorbital. 



rrfemaxillary. — Its hackwardly dii-ected nasal process (text- 

 fig. 6, D) is rather short and exceptionally broad at its base, 

 where it is widely expanded on both sides, close behind the 



* The skull of the mak specimen of this sperirs in the British Museum Cnllections 

 does not bear out this statomcnl, the said suture being: wholly ohlileraUd hy 

 incrustation. 



