Lacerta. 149 



16. LACEETA VATJEEESELLI. 



Lacerta vauereselli, Tornier, Zool. Anz. xxv, 1902, p. 701 ; Sternfeld, 

 in Schubotz, Wiss. Ergebn. Deutsch. Z.-Afr. Exped. iv, ii, p. 210, 

 pi. vi, fig. 2 (1912), and Sitzb. Ges. Nat. Fr. Berl. 1912, p. 386 ; 

 Schmidt, Bull. Amer. Mus. N. H. xxxix, 1919, p. 495, fig. 



Head flat above, 4 times or a little less in length to vent in males, 

 41^ to 4|- times in females ; snout short, obtuse. No parietal foramen. 

 Hind limb reaching the collar in males, not so far in females. Tail 

 about twice as long as head and body. 



Rostral not entering the nostril. Nasals forming a suture behind 

 the rostral ; frontal a little shorter than its distance from the end of 

 the snout, as long as the parietals or a little shorter or a little longer ; 

 interparietal and occipital small. Pour supraoculars, first and fourth 

 small ; 5 or 6 superciliaries ; an incomplete series of granules between 

 the supraoculars and the superciliaries. A single postnasal. 4 or 

 5 upper labials anterio'r to the subocular. Temporal scales small or 

 Tather large, smooth or more or less distinctly keeled, 3 to 5 in contact 

 with the parietal ; tympanic shield usually present. 



No pterygoid teeth. 



20 to 25 gular scales in a longitudinal series in the middle ; no 

 gular fold. Collar serrated, formed of 6 to 11 plates. 



Dorsal scales large, subimbricate, pointed behind, and keeled ; lateral 

 scales a little smaller ; 38 to 50 scales across the body. Ventrals in 

 € longitudinal and 19 to 21 transverse series. Preanal shield large, 

 bordered by a single semicircle of smaller shields. 



Scales on upper surface of tibia smaller than dorsals. 7 to 10 

 femoral pores on each side. 



Tipper caudal scales strongly keeled and pointed behind. 



Upper surface of head and dorsal region (4 to 9 scales broad in the 

 middle, its narrowest point) light, yellowish or olive, sides dark brown 

 or reddish brown, edged with black above, with one or two series of 

 white, black-edged ocellar spots ; small dark spots on the back, which 

 may form a vertebral series ; sometimes a light streak from the cheek 

 to the side of the neck, passing above the tympanum. 



Belly bluish grey (in spirit), sometimes spotted with black in the 

 male. 



the former in contact with the frontonasal, and 6 out of 15 have small scales 

 between the latter and the supratemporal. The occipital is more of ben narrow 

 than broad. 



