496 VIPERIDE. 
Vipera atro rise Sore, hep 681, ple Daud. Rept. vi. p. 210 
1803) ; . 581, pl. xxi. figs. 6 & 7 ass) 
Smith, Tl. Zot ry “Afr ~, Rape. a lii. (1846) ; Strauch, Syn. Viper 
p. 98 (1869) ; Jan, Ic con. Gén. 45, pl. iv. figs. 1 & 2 (1874). 
—— montana, Smith, Edinb. N. Philos. Journ. i. 1826, p. 252. 
Clotho atropos, Gray, Zool. Miscell, p, 69 (1842), and Cat. p. 26 
Echidne. ocellata, Tschudi, Faun. Per., Herp. p. 60 (1845). 
Calechidna ocellata, Tschudi, 1. c. pl. ix. 
Echidna atropos, Dum. § Bibr. vik oa (1854), 
Bitis atropos, Gtinth. Cat. p. 268 (1 
Nostrils turned upwards and outwards. Rostral small, once and 
two thirds to twice as broad as deep; head covered with small, 
imbricate, strongly keeled scales, 13 to 16 across the vertex from 
eye to eye; 13 to 16 scales round the eye; two or three series of 
scales between the eye and the labials ; two to five series of scales 
between the supranasals ; two series of scales between the nasal and 
the rostral; 10-12 upper labials; three or four lower labials in 
contact with the chin-shields. Scales in 29-31 rows, all strongly 
keeled. Ventrals 124-145; anal entire; subcaudals 18-29. Brown 
or grey-brown above, with four longitudinal series of large, dark 
brown, black-and-white edged spots, formed by the breaking up into 
two of two series of subcircular spots; a continuous or interrupted 
whitish streak running between and dividing the spots on each side 
of the back, and another lower down on the sides; two large dark 
markings on the head, from the nape to between the eyes; an 
oblique, light, dark-edged streak from behind the eye to the mouth ; 
belly grey or brown, spotted with darker. 
Total length 350 millim. ; tail 25. 
Cape of Good Hope. 
a. é 9(o 31; V. 187; Table Mt.,nearCape 1H. A. Spencer, Esq. 
22). Town. Pa 
2.9 (Se. 31; V. 128; Cape of Good Hope. Dr. Lee [P.]. 
“6, 21 1). 
c. 9 (Sc. 29; V. 128; _—‘S. Africa, Sir H. Sloane [P.]. 
 G. 19). 
d,e. 2 (Sc. 31; V. 131; S. Africa, 
"C. 18) & yg. (Sc. 29; 
V.130; C. 25). 
4, Bitis inornata. 
Echidna inornata, Smith, Ill. Zool. 8. Afr., ae pl. iv. (1888), 
Vipera atropoides, Smith, op. cit, pl. lili. (1846), 
Clotho atropos, part., Gray, Cat, p. 26 (1849). 
Clotho ? inornata, Gray, I. 0. 
Vipera inornata, Strauch, Syn. Viper. p. 97 (1869). 
Intermediate between B, atropos and B. cornuta. Eye smaller 
than in the former and separated from the labials by four series of 
scales; supraorbital region raised as in the latter, but without 
erect, horn-like scales; 15-17 scales across the head from eye to 
eye; 13 or 14 upper labials; three lower labials in contact with 
