Effiinas. 235 



lielow the eye, througli the tympiiuuni, to the tail; liiubs blackisli, 



with numerous round light spots. 

 Measurements (in millimetres) ; 



From end of snout to vent . . . .66 

 Length of head . . . .16 



"Width of head 9-5 



Fore limb 19 



Hind limb ....... 38 



Foot 20 



The single specimen on which this species is founded was obtained 



by the Chevalier-Decorse Mission in the Shari-Chad district and is 



preserved in tlie Paris Museum. 



3. EREMIAS SPEKII. 



Ereiiiias liKjiibris (uou A. Smith), Peters, Decken's Reise, iii, Rept. 

 p. 49 (1869)." 



Eremias spekii. Giiuth. Ann. & Mag. N. H. (4) ix, 1872, p. 381 ; 

 Bouleng. Cat. Liz. iii, p. 84, pi. iv, fig. 2 (1887) ; Werner, Verh. Zool.- 

 bot Ges. Wien, xlv, 1895, p 191 ; Tornier, Zool. Jahrb., Syst. xxii, 

 1905, p. 377 ; Werner, Sitzb. Ak. Wien, cxvi, i, 1908, p. 1845; Sternf. 

 m Sehubotz, Wiss. Ergebn. Deutseh. Z.-Afr. Exped. iv, ii, p. 223 

 (1912); Nieden, Mitt. Zool. Mus. Berl. vii, 1913, p. 78; Bouleng. 

 Journ. Zool. Res. iii, 1918, p. 3. 



Eremias rufficeps, Peters, Mou. Berl. Ac. 1878, p. 202, pi. ii, fig. 1. 



Eremias sextieniata, Stejueg. Proc. U.S. Nat. Mus. xvi, 1894, 

 p. 718; Bouleng. Ann. & Mag. N. H. (6) xvi, 1895. p. 168, and Proc. 

 Zool. Soc. 1895, p. 534. 



Eremias spel'ii, var. sei-tcvmata, Tornier, I.e. ; O. Neumann, Zool. 

 Jahrb., Syst. xxii, 1905, p. 396. 



Head and body moderately depressed. Head 1^ to 1| times as long 

 as broad, its length 3J to 4^ times in length to vent, its depth equal to 

 the distance between the anterior corner of the eye and the tynipanum ; 

 snout rather obtusely pointed, as long as the postocular part of the 

 head ; nasals not or but feebly swollen ; canthus rostralis sharp or rather 

 olituse, loreal region feebly concave ; frontal concavity feeble or 

 absent. Pileus If to 2 times as long as broad. Neck as broad as the 

 head or a little constricted. Hind limb reaching the ear or the eye in 

 males, tlie collar, the ear, or between the ear and the eye in females ; 

 foot Ifi to 1-|- times the length of the head ; toes slender, feebly com- 

 pressed. Tail If to 2i times as long as head and body. 



Upper head-shields fiat, strongly and closely striated. Nasals in 



