280 Lacertidie. 



Habitat. — Sinaitic Peninsula, Egypt, Nubia, Tripoli, Algerian 

 Sahara. 



16. EREMIAS NAMAQUENSIS. 



Eremias namaquensis, Dum. & Bibr. Erp. Gen. v, p. 307 (1839) ; 

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

 pi. xliv, fig, 2, and pi. xlviii, fig. 6 (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 j to IJ times 

 as long as broad, its 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, Tvith the nasal shields feebly swollen, as long as or 

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

 canthus 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 the frontal shield. Pileus 2 to 

 2J times as long as broad. Neck as broad as the 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 li to 1^ times as long as the hekd ; toes rather slender, 

 feebly compressed. Tail 2 to 2f 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 -| the length of the 

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

 prefrontals as long as broad or a little longer than broad, forming a 

 short median suture, or very frequently f 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, H to If times as long 

 as broad, narrow behind, f to 4 of its lateral border in contact with 

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

 than broad (exceptionally up to 1^) ; interparietal as large as or 

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

 little narrower than the interparietal and i to 5 its length, sometimes 



* Longitudinally divided into two in a male from Great Namaqualand, in 

 a, male from L. Molopo, in a, male from Ky Ky, and in a female from Port 

 Elizabeth. 



f In 44 out of 60 specimens examined. 



