217. DIEMENIA, 321 
P Elapocephalus (non Giinth.), Macleay, Proc. Linn. Soc. N. 8. We 
ii. 1878, p. 221. 
tg 2 as ac Macleay, Proc. Linn. Soc. N. 8S. W. ix. 1884, 
Pp: ‘ 
Maxillary extending forwards as far as the palatine, with a pair 
of large grooved poison-fangs followed, after an interspace, by 7 to 
15 small grooved teeth; anterior mandibular teeth strongly enlarged, 
fang-like. Head slightly distinct from neck, with distinct canthus 
rostralis; eye moderate or large, with round pupil; nasal entire or 
divided; frontal elongate; no loreal. Body cylindrical; scales 
smooth, without pits, in 15 to 19 rows (more on the neck) ; belly 
rounded. Tail moderate or long ; subcaudals all or most in two rows. 
Australia and New Guinea. 
Fig. 24. 
= 
Maxillary and mandible of Diemenia psammophis. 
Synopsis of the Species. 
I. Scales in 15 rows ; rostral just visible from above, 
A. Anal divided. 
Rostral nearly as deep as broad; inter- 
nasals at least half as long as the 
preotroptals 9... ce eE SU ok elles 
Rostral a little broader than deep; inter- | 
nasals more than half as long as the 
PIMIPONGIIS i ic ake x domulels tes 2. torquata, p. 323. 
Rostral considerably broader than deep ; 
internasals not more than half as long 
as the preefrontals ........... eseee 8. olwaced, Pp. 323. 
Bie, ATA CIALG $6.5 «jena thre wos 4. ornaticeps, p. 324. 
II, Scales in 17 or 19 rows. 
Portion of rostral visible from above 
measuring about half its distance from 
the frontal; ventrals 154-165 ...... 5. modesta, p. 324. 
‘Portion of rostral visible from above 
measuring one half to two thirds its 
distance from the frontal; ventrals 
190-232...... nih Td o-u « Capeeban teed an 6. tewtilis, p. 325. 
Portion of rostral visible from above as 
as long as its distance from the frontal ; 
ventrals 184-224 ........ Me eedews 7. nuchalis, p. 326. 
VOL. III. a 4 
1. psammophis, p. 322. 
