330 THE REPTILES OF EGYPT. 
Cerastes cornutus, Hasselq. (Plate XLVIII.) 
Coluber cornutus 1 , Hasselq. Act. Soc. Reg. Sc. Upsal. 1750, pp. 27-28; Hasselq. & Linn. Iter 
Pakest. 1757, p. 315. 
Vipera cornuta, Hasselq. Actes Soc. Reg. Sc. Upsal. 1751, p. 27. 
Coluber cerastes, Linn. Syst. Nat. i. 1766, p. 376; Ellis, Phil. Trans, lvi. 1767, p. 287, pi. xiv. ; 
Gmelin, Linn. Syst. Nat. 13th ed. i. p. 1087; Bonnaterre, Encycloped. Meth., Ophiol. 1790, 
p. 20, pi. xxxv. fig. 1 ; Shaw, Nat. Misc. iv. 1792, pi. exxii. ; id. Gen. Zool. iii. pt. 2, 1802, 
p. 385, pi. ciii. 
Basckasch Datan cornuta, Forska.1, Descr. An. 1775, p. ix. 
Cerastes cornutus, Forskal, Descr. Anim. 1775, p. ix ; Blgr. Trans. Linn. Soc. xiii. 1891, p. 155 ; 
Cat. Snakes B. M. iii. 1896, p. 502; Olivier, Mem. Soc. Zool. France, vii. 1894, p. 125; 
Werner, Verh. zool.-bot. Ges. Wien, xliii. 1893, p. 359, et xliv. 1894, p. 86 ; op. cit. xlvii. 
1897, p. 407 ; Anderson, Herpet. Arabia & Egypt, 1896, p. 109. 
Le Ceraste, Lacep. Hist. Nat. Serp. 1789, p. 72, pi. i. fig. 1. 
Cerastes or Horned Viper, Bruce, Travels, v. Append. 1790, pp. 198-210, plate. 
Gehornte Natter, Bechstein, Lacep. Naturgesch. Amph. iii. 1800-1802, p. 220, pi. iii. fig. 2. 
Vipera cerastes, Latr. Rept. iii. 1802, p. 313, pi. fig. 2; Daud. Rept. vi. 1803, p. 178, pi. 74. 
fig. 2; Eichw. Zool. Sp. iii. 1831, p. 172; part., Schlegel, Phys. Serp. 1837, p. 585, pi. xxi. 
figs. 12 & 13; Wagner's Reis. Alg. iii. 1841, p. 139; Eichw. Nouv. Me"m. Soc. Nat. Mosc. 
ix. p. 438 ; Gervais, Ann. Sc. Nat. (3) x. 1848, p. 205 ; Strauch, Me"m. Ac. St. Petersb. (vii.) 
iv. 1862, no. 7, p. 72; op. cit. (vii.) xiv. 1869, no. 6, p. 108 et p. 138; Jan, Icon. Gen. 
livr. 45, Juin 1874, pi. v. fig. 1 ; Gasco, part., Viagg. in Egitto, pt. ii. 1876, p. 120; Muller, 
Verh. naturforsch. Ges. Basel, vi. 1878, p. 619 ; Bedr. Bull. Soc. Nat. Mosc. 1879, no. 3, 
p. 50 ; Boettger, Be* Senck. nat. Ges. 1880, p. 169 ; Peters, Mon. Berl. Ak. 1880, p. 308 ; 
Konig, Verh. (S.B.) nat. Ver. Bonn, 1892, p. 25. 
Echidna atricauda, part., Dum. & Bibr. vii. 1854, p. 1430. 
Le Ceraste, Cuv. Reg. An. ii. 1817, p. 85. 
Vipera {Echidna) cerastes, Merr. Syst. Amph. 1820, p. 150. 
La Vipere ceraste, Is. Geoffr. St.-Hilaire, Descr. de l'Egypte, Hist. Nat. i. ? 1827, p. 155, pi. vi. 
fig. 3. 
Le Ceraste ou Vipere cornue, Cuv. Reg. An. ii. nouv. 6d. 1829, p. 91. 
Cerastes hasselquistii, Gray, Zool. Misc. 1842, p. 70; Cat. Snakes B. M. 1849, p. 28; Giinther, 
Cat. Snakes B. M. 1858, p. 268; Tristram, West. Palest., Rept. & Batr. 1884, p. 147 ; Sclater, 
Snakes Ind. Mus. 1891, p. 68. 
Vipera (Cerastes) cerastes, Riippell, Mus. Senck. iii. 1845, p. 313 ; Boettger, Kobelt's Reiseerin. 
Alg. u. Tunis, 1885, p. 463. 
Cerastes myyptiacus, Dum. & Bibr. vii. 1854, p. 1440, pi. 78 bis, fig. 3 ; Peters, Mon. Berl. Ak. 
1862, p. 278 ; Westphal-Castel. Cat. Col. Rept. 1869, p. 47. 
Vipera avicennee, Jan, Icon. Gen. livr. 45, Juin 1874, pi. v. fig. 3. 
1 In tlie 12th ed. of the ' Syst. Nat.' Linnaeus, in a footnote to p. 375, says of the above-named species : — 
" Vipera cornuta, Hasselq. Act. Up. 1750, p. 27, est ficlilius Coluber astu Arabum, qui unguibus aviculce 
jiertuserunl caput eidemque inseruerunt." 
