280 Lacertidx. 



Hahitot. — Siuaitic Peninsula, Egypt, Nubia, Tripoli, Algerian 

 Sahara. 



15. EREMIAS NAMAQUENSIS. 



Eremias nnmaqveiisis, Duin. & Bibr. Erp. (rt'n. v, p. 307 (1839) ; 

 Gray, Cat. Liz. p, 41 (1845); A. Smiih, 111. Zool. S. Afr., Kept, 

 pi. xliv, fig. 2, and pi. xlviii, fig. (1845) ; Bouleng. Cat. Liz. iii, 

 p. 91 (1887); Werner, Jena. Denkschr. xvi, 1910, p. 330; Bouleng. 

 Journ. Zool. Res. iii, 1918, p. 5. 



Eremias breviceps, Sternf. Mitt. Zool. Mus. Berl. v, 1911, p. 404, 

 fig. 



Head and body rather strongly depressed. Head 1 ,| to 1| times 

 as long as broad, ils length 3| to 4 times in length to vent in males, 

 4 to 4f times in females, its depth equal to the distance between 

 the anterior corner or the centre of the eye and the tympanum ; 

 snout pointed, with the nasal shields feebly swollen, as long as or 

 a little longer than the postocular part of the head, with sharp 

 cauthus and feebly concave loreal region ; a more or less distinct 

 concavity in the middle of the upper surface of the snout, extending 

 to the middle or posterior third of tlie frontal shield. Pileus 2 to 

 2^ times as long as broad. Neck as broad as tlie head or a little 

 constricted. Hind limb reaching between the collar and the ear, the 

 ear, or between the ear and the eye, in males, the collar or the ear in 

 females; foot 1^ to 1^ times as long as the head; toes rather slender, 

 feebly compressed. Tail 2 to 2^ times as long as head and body. 



Upper head-shields flat, smooth. Nasals in contact with each other 

 behind the rostral, the suture between them -} to J the length of the 

 frontonasal, Avhich is as long as broad or a little broader than long * ; 

 prefrontals as long as l)road or a little longer than broad, forming a 

 short median suture, or very freciuentlyf separated by one or two, 

 or even three or four small shields ; frontal as long as or shorter 

 than its distance from the end of the snout, 1 1 to 1 1 times as long 

 as broad, narrow behind, f, to ^- of its lateral border in contact with 

 the large supraoculars ; parietals as long as Ijroad or a little longer 

 than bi-oad (exceptionally up to l?f) ; interparietal as large as or 

 larger than the frontoparietals ; occipital usually as broad as or a 

 little narrower than the interparietal and | to I its length, sometimes 



* Longitudinally dividi'd into two in a male from Great Naniaqualand, in 

 a male from Ij. Molopo, in a male h-om Ky Ky, and in a female from Port 

 Elizabeth. 



t In 44 out of GO specimens examined, 



