Venoms; venomous animals and antivenomous serum-therapeutics . Fig. 35.—Skull of Coksus rhoinbcaln^. (After G. A. Boulenger, o]>. cit. (4) C. Uchtenstelnii.—Snout obtuse; scales in 15 rows; 142—144 ventrals ; snbcaudals 15—21, single. Colour greyish, w^ith rather indistinct darker chevron-shapedcross-bands. Total length, 413 millimetres ; tail 35. Habitat: West Africa (Gold Coast), Congo. THE PBIXCTlAL SPECIES OE POISONOUS SNAKES 69 (1)) Vipera. (For the characters of this genus, see p. 23,—Europe.) In North AtricPv ;ire found Vipera latastii, V. ammodytcs, andespecial!} T^ lebetina, the ra
Venoms; venomous animals and antivenomous serum-therapeutics . Fig. 35.—Skull of Coksus rhoinbcaln^. (After G. A. Boulenger, o]>. cit. (4) C. Uchtenstelnii.—Snout obtuse; scales in 15 rows; 142—144 ventrals ; snbcaudals 15—21, single. Colour greyish, w^ith rather indistinct darker chevron-shapedcross-bands. Total length, 413 millimetres ; tail 35. Habitat: West Africa (Gold Coast), Congo. THE PBIXCTlAL SPECIES OE POISONOUS SNAKES 69 (1)) Vipera. (For the characters of this genus, see p. 23,—Europe.) In North AtricPv ;ire found Vipera latastii, V. ammodytcs, andespecial!} T^ lebetina, the range of which extends from Morocco toNorthern India. Vipera superciliaris, which occurs on the coastof ^lozambique, has the snout rounded, and the head covered withsmall, imbricate, keeled scales, with a large supraocular shield;nostril very large, between two nasal shields ; scales on the bodystrongly keeled, in 27 row^s ; 142 ventrals ; 40 subcaudals. The colour is pale reddish-brown or orange, with blackish trans-verse bars broken by a longitudin
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