Total length, 600 millimetres; tail 80.
Habitat: Eastern, Northern, and Western Australia.
(6) P. warro.—Characters the same as in the previous species; 143 ventrals. Colour brown; a broad lunate black collar on the nape; head black above, but paler than the collar.
Habitat: Port Curtis, Queensland.
(7) P. sutherlandi.—Characters as before. Scales on the body in 17 rows; 160 ventrals; 40 subcaudals. Colour red-brown on the back, yellow on the belly; a broad lunate black collar on the nape, with a lighter edging; light bars across the head, body, and tail.
Habitat: Norman River, Queensland.
(d) Diemenia.
Fig. 47.—Diemenia psammophis.
