494 VIPERID&. 
oe intumescens, Donnd. Zool. Beytr. iii, p. 209 (1798). 
ra — part., Latr. Rept. iii. p. 335, pl. —. fig. 1 (1802); 
t. or p. 115 (1803). 
ee arietans, Merr., Tent. p. 152 (1820), and Beitr. iii. 
p ~ p. 121 (1821). 
inflata, Burchell, Trav. S. Afr. i. p. 469 (1822) ; Smith, Edinb. 
N. Philos. Journ. i. "1826, p- 250. 
Echidna arietans, Wagl. Teon. Amph, pl. xi. (1828) ; Dum. §& Bibr. 
vii. p. 1426, pl. Ars fig. 1 (1854). 
Vipera brachyura, Cuv. R. A, 2nd ed. ii. +3 90 (1829). 
arietans, Schleg. Phys. Serp. ii. p. 577, pl. xxi. figs. 1-3 (1837) ; 
Strauch, Syn. Viper. p. 98 (1869) ; Jan, Icon. Ces 45, pl. vi. 
figs. 8&4 (1874) ; Boettg, Abh. Sench. Gea. ix. 1874, p. 1 , and 
Ber. Senck, Ges. 1888, p. 89; Bouleng. Tr. Zool. Soc. xiii, 1891, 
p- 149 (i805). Zool. Anz. 1898, p: 180; Bocage, Herp. Angola, 
149 (1895) 
cistho arietans, Gray, Zool. Miscell. p. 69 (1842), and Cat. p. 25 
1849). 
eh lateristriga, Gray, U. ce. ie 69 & 26. 
Bitis arietans, Giinth. Cat. p. 263 (1858) ; Peters, Reise n. Mossamb. 
iii. p. 145 (1882). 
Echidna clotho, Steind. Novara, Rept. p. 88 (1867). 
Nostrils on the upper surface of the snout. Rostra] small, twice 
to twice and a half as broad as deep; head covered with small 
imbricate scales, 8 to 11 across the vertex, from eye to eye; 12 to 
16 scales round the eye; three or four series of scales between the 
eye and the labials ; two (rarely three) series of scales between the 
supranasals ; one or two series of scales between the nasal and the 
rostral ; 12-16 upper labials ; 3-5 lower labials in contact with 
the chin-shields. Scales in 29-41 rows, strongly keeled, outer row 
smooth or feebly keeled. Ventrals 131-145; anal entire; sub- 
caudals 16-34. Yellowish, pale brown, or orange above, marked 
with regular chevron-shaped dark brown or black bars pointing 
backwards, or black with yellow or orange markings; a large dark 
blotch covering the crown, separated from a smaller interorbital 
blotch by a transverse yellow line; an oblique dark band below and 
another behind the eye; yellowish white beneath, uniform or with 
small dark spots. 
Total length 1350 millim. ; tail 160. 
Africa, from Southern Morocco, Kordofan, and Somaliland to the 
Cape of Good Hope; Southern Arabia, 
a. o-fa\ (Sc. 82; V. 1386; Hadramaut,S.Arabia. Dr. J. Anderson [P.]. 
b. Ad., 5 Somaliland. Lord Wolverton([P.}. 
c. Ye. (Sc. 85; V. 140; Seneyal. 
O. 21). 
d, Ad., stuffed. Gambia, (Type of C. lateri- 
striga, 
e. Yg. (Se. 31; 'Y. 140; Kilimanjaro. F. Jackson, Esq. 
C, 28). ihe 
f. ats (Se. 85; V. 183; Zanzibar. Sit J irk [0.]. 
20). 
gy ae skin. | Uzaramo. Capt. Speke [P.]. 
