ERYX JACULUS. 241 
Boulenger, Bull. Soc. Zool. France, 1887, p. 532 ; Trans. Linn. Soc. ser. 2, Zool. v. 1889, p. 101 ; 
Trans. Zool. Soc. xiii. 1891, p. 143 ; Proc. Zool. Soc. 1891, p. 631 ; Cat. Snakes B. M. i. 1893, 
p. 125 ; Bedriaga, Bull. Soc. Nat. Mosc. 1879, pt. 2, p. 44 ; Lortet, Arch. Mus. Hist. Nat. Lyon, 
iii. 1883, p. 183 ; Tristram, Western Palestine, Rept. & Batr. 1884, p. 146 ; Sclater, Snakes 
Ind. Mus. 1891, p. 6 ; Mehely, Zool. Anz. 1894, no. 442, p. 83 ; Olivier, Mem. Soc. Zool. 
France, vii. 1894, p. 118; "Werner, Zool. Garten, xxxvii. 1896, p. 85 ; Anderson, Herpet. 
Arabia & Egypt, 1896, pp. 70, 106. 
Eryx turcicus, Daud. Hist. Rept. vii. 1803, p. 267, pi. lxxxv. fig. 2 ; Oppel, Ord. Fam. Gatt. Rept. 
1811, p. 57; Gray, Ann. Phil, new ser. x. 1825, p. 210; Boie, Isis, 1826, p. 982; Fitz. Neue 
Class. Rept. 1826, p. 54; Eichw. Zool. Spec. iii. 1831, p. 176; Faun. Casp.-Cauc. 1841, 
p. 99, pi. xvii. figs. 1-3 ; Reuss, Mus. Senck. i. 1834, p. 132. 
Anguis helluo, Pallas, Zoogr. Ross.-As. iii. 1811, p. 54. 
Eryx turcica, Merr. Syst. Amph. 1820, p. 85; Boie, Isis, 1827, p. 513. 
Tortrix miliaris, Merr. Syst. Amph. 1820, p. 82. 
Tortrix gracilis, Merr. op. cit. p. 83. 
Tortrix colubrina, Merr. op. cit. p. 83. 
Pseudoboa turcica, Schneider, Denksch. Ak. Wissensch. Miinchen, vii. 1821, p. 129. 
Boa tatarica, Licht. in Eversm. Reise, 1823, p. 146; Verz. Doubl. Berl. Mus. 1823, p. 104. 
Eryx du Delta, Is. Geoff. St.-Hil. Descr. de l'figypte, Hist. Nat. i. ? 1827, p. 42, pi. vi. fig. 2. 
Eryx familiaris, Eichw. Zool. Spec. iii. 1831, p. 176. 
Eryx miliaris, Eichw. op. cit. p. 176. 
Tortrix eryx, Schlegel, Phys. Serp. pt. gen. 1837, p. 129; pt. descrip. p. 14, pi. i. figs. 11-13 
(exlus. syn.). 
Erix turcica, Fiedler, Reise durch Griechl. i. 1840, p. 20, ii. 1841, p. 331 & p. 364. 
Eryx, sp. ?, Gervais, Ann. Sc. Nat. (3) x. 1848, p. 205. 
Eryxjaculus, var. teherana, Jan, Iconogr. Gen. 1865, p. 73; de Filippi, Viag. Pers. 1865, p. 355. 
Eryx jaculus, var. miliaris, Boettger, Zool. Jahrb. iii. 1888, p. 938. 
1 <£. Beltim. Surgeon Lieutenant-Colonel J. G. Rogers, D.S.O., C.M.G. 
1 <J . Mahallet el Kebir. George Kent, Esq. 
1 ? . Abbasiyeh. Major-General H. M. L. Rundle, D.S.O., C.M.G. 
2 2 . Abu Roash. 
2 2 • Gizeh. 
1 £ . Heluan. 
1 <J . Neighbourhood of Cairo. 
Scales on. the upper surface of the head smooth, larger than in the previous species ; 
rostral large, with an angular labial border ; nasals, internasals, and some scales behind 
them much enlarged compared with E. thebaicus ; 5 to 7 scales between the eyes 
above ; 7 to 14 scales round the eyes (9-10 Egypt) ; 2 or 3 scales between the nasal 
and the eye ; 1 or 2 scales between the eye and the upper labials ; 10 to 14 upper 
labials (10 or 11 Egypt). Mental groove present. 40 to 51 scales round the body, 
anteriorly smooth, feebly keeled posteriorly. 165 to 200 ventrals, somewhat 
narrower than those of E. thebaicus; anal 1 ; subcaudals 15-34. Tail short, obtusely 
conical. 
