Maxillary bones extending forwards as far as the palatines, with a pair of moderately large grooved poison-fangs; no other maxillary teeth; mandibular teeth subequal. Eyes moderate, with round pupils; nasal shield entire. Body cylindrical; scales smooth, in 15 rows; ventrals rounded; tail moderate; subcaudals in a single row.
E. minor.—Colour dark olive, with a black occipital blotch in the young; belly yellow or greenish-grey.
Total length, 460 millimetres; tail 95.
Habitat: South-west Australia.
(o) Rhynchelaps.
Maxillary bones extending forwards as far as the palatines, with a pair of moderately large grooved poison-fangs, and two small teeth near the posterior extremity of the bone; anterior mandibular teeth the longest. Head small, not distinct from the neck; eyes small, with vertically elliptic pupils; nostril in a single nasal shield. Body short, cylindrical; scales smooth, in 15-17 rows. Tail very short; subcaudals in 2 rows.
(1) R. bertholdi.—Scales in 15 rows; 112-126 ventrals.
Colour yellow, with 19-40 black annuli, usually narrower than the interspaces; head brown, with a large black blotch on the nape, and another on the vertex and temples.
Total length, 270 millimetres; tail 22.
Habitat: Southern and Western Australia.