Eremias. 235 



below the eye, through the tympanuni, to the tail ; limbs blackish, 

 with numerous round Yvj\\i spots. 

 Measurements (in millimetres) : 



From end of snout to vent . . . . QQ 



Length of head ...... 16 



Width of head 9-5 



Fore limb 19 



• Hind lind) 38 



Foot 20 



The single specimen on which this species is founded was obtained 

 by the Chevalier-Decoi'se Mission in the Shari-Chad district and is 

 preserved in the Paris Museum. 



3. EREMIAS SPEKII. 



Eremias liiyiibris (non A. Smith), Peters, Decken's Eeise. iii, Rept. 

 p. 49 (1869)." 



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

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

 bot Gres. Wien, xlv, 1895, p 191 ; Toruier, Zool. Jalirb., Syst. xxii, 

 1905, p. 377 ; Werner, Sitzb. Ak. Wien, cxvi, i, 19()8, p. 1845 ; Sternf. 

 in Schubotz, Wiss. Ergebn, Deutsch. 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 rugiceps, Peters, Mou. Berl. Ac. 1878, p. 202, pi. ii, tig. 1. 



Eremias sextmniata, Stejneg. 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 speliii, var. se.i'tct'tiiata, Tornier, I.e. ; 0. Neumann, Zool. 

 Jahib., Syst. xxii, 1905, p. 396. 



Head and body moderately depressed. Head H 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 tympanum ; 

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

 head ; nasals not or Imt feeldy swollen ; canthus rostralis shai-p or rather 

 obtuse, loreal region feel>ly concave; frontal concavity feeble or 

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

 head or a little constricted. Hind liml> reachino- the ear or the eve in 

 males, the collar, the ear, or Ijetween the ear and the eye in females ; 

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

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



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



