Colour orange or red, with black rings; a black bar below the eyes; upper surface of head sometimes entirely black.
Total length, 590 millimetres; tail 55.
Habitat: Cape Colony and Namaqualand.
(2) A. scutatus (Fula-fula of Mozambique).—115-135 ventrals; 24-38 subcaudals.
Colour pale grey, with black spots or cross-bars, and a black mark shaped like a circumflex accent on the head. A black collar encircling the neck, and a black vertical streak below the eye. Belly whitish.
The total length may be as much as 520 millimetres.
Habitat: Natal, Delagoa Bay, Mozambique.
(f) Walterinnesia.
Maxillary bones prolonged forwards beyond the palatines, with a pair of large poison-fangs; no other maxillary teeth. Head distinct from the neck; eyes rather small, with round pupils; nostril between two or three nasal shields and the internasal. Body cylindrical; scales smooth or feebly keeled, in 23 rows; ventrals rounded. Tail rather short; subcaudal scales for the most part in 2 rows.
W. ægyptia.—Colour blackish-brown on the back, paler on the belly.