18. EETX. 125 



2. Eryx tliel)aicus. 



Oeoffroy, Bescr. Egypte, Sept. p. 142, pi. vi. fig. 1 (1809). 



Eryx tfiebaicus, Seuss, Mus. Senckenb. i. 1834, p. 134 ; JJum, 8f Bibr. 



vi. p. 468 (1844) ; ScMeg. Bydr. tot de Dlerk. i. p. 2 (1848) ; 



Gray, Cat. p. 109 (1849); Jan, Icon. Gen. p. 73, 1. 4, pi. i. fig. 2 



(1864). 



scutata, Gray, Zool. Misc. p. 45 (1842). 



? Eryx jaculus, var. sennaariensis, Jan, I. c. pi. ii. fig. 2. 

 Gongylophis thebaicus, Boideng. Ann. 8f Mag. N. H. (6) ix. 1892, 



p. 76. 



Rostral large and broad, with angular horizontal edge ; only the 

 nasals and internasals enlarged, the head covered with very small 

 smooth scales ; 11 to 13 scales from eye to eye across the forehead ; 

 12 to 15 scales round the eye, which is separated from the labials 

 by two or three rows of scales ; 12 to 14 upper labials. Mental 

 groove usually absent (present in spec./). Scales smooth or more 

 or less distinctly keeled anteriorly, the keels strong on the posterior 

 part of the body and on the tail, in 47 to 53 rows. Ventrals 171- 

 197; anal entire; subcaudals 19-28. Tail pointed. Yellowish or 

 greyish above, with large, irregular, dark brown or blackish spots 

 separated by narrow interspaces ; lower parts uniform white. 



Total length 620 millim. ; tail 50. 



Upper Egypt and East Africa. 



a. ? (V. 187 ; 0. 26). Egypt. Sir J. Wilkinson [P.]. (Type 



of E. scutata.) 

 b-e. 2 (V. 185 ; C. 22) Luxor. Dr. J. Anderson [P.]. 



& yg. (V. 179, 182, 



175 ; C. 25, 23, 23). 

 /. ? (V. 188 ; 0. 21). Tel-el-Amamah, Dr. J. Anderson & Prof. W. 



Upper Egypt. M. Flinders Petrie [P.]. 

 luakm. "" 



9-J. $ (V. 192; G. 25) Suakm. Dr. Bimbashi Penton & 



& yg. (V. 188, 187 ; Dr. J. Anderson [P.]. 



0. 23, 28). 



k. Hgr. (V. 182 ; 0. 23). Taita, E. Africa. Mr. Wray [C.]. 



3. Eryx jaculus. 



Geoffrey, Desor. Egypte, Rept. p. 142, pi. vi. fig. 2 (1809). 



Anguis jaculus, Linn. Mus. Ad. Frid. ii. p. 48 (1764), and S. N'. i. 

 p. 391 (1766). 



colubrina, Linn. S. N. i. p. 390. 



cerastes, Unn. I. c. p. 391. 



mUiaris, Pallas, Beise, ii. p. 718 (1773), and Zoogr. Boss.-As. 



iii. p. 64 (1811). 



Boa turcica, Olivier, Voy. Emp. Othom., Atlas, i. p. vi, pi. zvi. fig. 2 

 (1801). 



Eryx cerastes, Baud. Bjept. vii. p. 254 (1803). 



jaculug, Baud. t. c. p. 257 ; Bibr. 8r Bory de St. Vine. Exp&d. 



8c'. MorSe, Zool, Sept. p. 73 (1833) ; Beuss, Mus. Senckenb. i. 1834, 

 p. 133 ; Bum. 8f Bibr. vi. p. 463 (1844) ; Schleg. Bijdr. tot de Bierk. 

 i. p. 2 (1848) ; Gray, Cat. p. 109 (1849) ; Strauch, Erp. Alg. p. 51 

 (1862) ; Jan, Icon. G6n. p. 73, 1. 4, pi. ii. fig. 1 (1864) ; Strauch, 

 ScM. Buss. B. p. 29 (1873) ; Schreib. Berp. Eur. p. 312 (1876) ; 

 Blanf. Zool. E. Fers. p. 401 (1876) ; Boettg. Ber. Senckenb. Qes. 



