D. psammophis. ([fig. 47]).—Internasal shields at least half as long as the præfrontals.
D. torquata.—Internasals more than half as long as the præfrontals.
D. olivacea. ([fig. 48]).—Internasals not more than half as long as the præfrontals; snout broad.
Fig. 50.—Diemenia nuchalis.
(2) Scales in 17 or 19 rows.
D. modesta.—154-165 ventrals.
D. textilis (Brown Snake, [fig. 49]).—190-232 ventrals.
D. nuchalis ([fig. 50]).—184-224 ventrals.