RECORDS OF IV. A. MUSEUM. 
[195 
Gill Range, Central Australia (Lucas and Frost, 1896). Western 
Australia (W. A. Mus.) ; S.W. Australia (Austr. Mus.) King 
George Sound (Macleay Mus.) 
DEMANSIA NUCHALIS, Giinther. 
(Fig. 6b.) 
182. 
219. 
Pseudoiiaja nuchalis, Gunther, Cat. Col. Sn., 1858,-9, 227. 
Gunther, Proc. Zool. Soc., 1863, p. 17, fig. 
McCoy, Ann. Mag. Nat. Hist., (3), XX., 1867. p. 
Krefft, Sn. Austr., 1869, p 44, pi. XII., fig 13. 
Macleay, Proc. Linn. Soc., N.S.W., II., 1878, p. 
de Vis, Proc. Roy. Soc. Q’land., I., 1884, p, 58. 
Lucas and Frost, Kept. " Horn”Expdn., II., 1896, p. 148. 
Diemenia aspidorhyncha, McCoy, Prodr. Zool. Vic., 3., 1879, p, 13, pi. XXIII., fig. 4. 
Diemenia nwhalis, Boulenger, Cat. Sn. Brit. Mus., HI., 1896, p. 326. 
,, ,, Werner, Fauna Siidwest-Austr., II., 1909, p. 257. 
Pseudelaps hancrofti, de Vis, Ann. Q’land. Mus. X., 1911, p. 25. 
,, ,, Longman, Mera. Q’land. Mus., I., 1912, p. 24. 
Head tapering and truncate at the snout, the sides almost 
straight in the adult but somewhat curved in the young. Eye mod- 
erate. Rostral broader than deep, the portion visible from above 
may be a little longer than its distance from the frontal or not quite 
as long ; internasals shorter than the praefrontals ; frontal consider- 
ably broarder than the supraocular, once and a half to almost twice 
as long as broad, a little shorter to a little longer than its distance 
from the tip of the snout, two-thirds to four-fifths the length of the 
parietals. Nasal entire or semi-divided, in contact with a single 
praeocular two or three postoculars ; temporals i 2 or 3 ; six 
upper labials, third and fourth entering the eye, sixth very large. 
Scales in seventeen to nineteen rows. V. 184-224; anal divided; 
S.c. 49-66 pairs. 
Colour (Spirits) : — 
Var. A. Body uniform light or dark brown above. A. 
nuchal collar may be present. Under surfaces 
greenish grey or yellowish ; throat slightly darker 
A melanotic form, in which the head, neck and 
anterior parts of the body are rich brown or 
black, occurs in this variety. 
(Vars. A. and C. of Lucas and Frost; vars. A. 
and B. part only ? of Boulenger ; vars. 1 , II, III 
of Werner.) 
