322 COLUBRID. 
1, Diemenia psammophis. 
Ela mophis, Schleg. Phys. Serp. ii. p. 455 (1887), and Abbild. 
<3 J pl. lv. fig. 14 (1844). 
Lycodon reticulatus, Gray, Zool. Miscell. p. 54 (1842). 
Demansia reticulata, Gray, J. c.; Giinth. Cat. p, 212 (1858). 
Pseudelaps psammophidius, Dum. § Bibi, vii. p. 1234 (1854), 
Demansia psammophis, Giinth, 1. ¢. 
Pseudelaps psammophis, Girard, U.S. Explor. Exped., Herp. p. 178 
(1858); Jan, Icon. Gén, 48, pl. iii. fig. 3 (1873). 
Diemenia psammophis, Krefft, Sn. Sydney, p. 42 (1865); Steind. 
Novara, Rept. p. 80 (1867); Krefft, Proc. Zool. Soc. 1868, p. 3, 
and Sn, Austral. p. 38 (1869). 
reticulata, Krefft, Sn. Austral. p. 40, pl. xii. fig. 10. 
—— papuensis, Macleay, Proc. Linn. Soc, N.S. W. ii. 1877, p. 40. 
Eye large. Rostral nearly as deep as broad, visible from above ; 
internasals one half to two thirds the length of the preefrontals ; 
frontal not broader than the supraocular, twice to twice and a half 
as long as broad, as long as or longer than its distance from the 
end of the snout, a little shorter than the parietals ; nasal divided, 
in contact with the single preocular; two (rarely three) post- 
oculars; temporals 242, lower anterior wedged in between the 
fifth and sixth upper labials; six upper labials, third and fourth 
entering the eye; three lower labials in contact with the anterior 
chin-shields, which are shorter than the posterior, Scales in 15 
rows (17 to 20 on the neck). Ventrals 170-225; anal divided ; 
subcaudals 69-105. Coloration very variable; lower surface of 
tail, at the end, yellow or orange; young with a dark line across 
the rostral, gradually disappearing with age, and two oblique dark- 
edged yellow streaks, one in front, the other behind the eye. 
Total length 1420 millim. ; tail 340. 
South-eastern New Guinea and Australia. 
A. Olive-brown above, the scales narrowly edged or tipped with 
black; belly greyish or pale olive, darker along the median 
line. (D. psammophis, Schleg.) 
a. 9 (V. 176; C. 72). Sydney. G. Krefft, Esq. [P.]. 
b 9 (V.176; 0.74).  ——P : Rea [FJ 
B. Olive or reddish brown to blackish above, the scales narrowly 
edged or tipped with black, some with light outer edge; 
ventrals olive or dark plumbeous-grey, darker along the 
margins. (D. psammophis, Gthr. ; D. papuensis, Macl.) 
a-b. 3 (V.178; 0.78)& Fly R., Brit. New Rey. S. Macfarlane 
9 (V. 173; 0.?). Guinea. (Ci. 
ec. d (V. 178; C. 81). Port Moresby, Brit, Rey. W. G. Turner [C.], 
New Guinea. 
d. dg (V.175; ©. 79). oe Cape H.M.S. ‘ Challenger.’ 
Ork, 
af. (V. 179, 210; Port Essington, Lord Derby [P.]. 
C. 78, 105). 
g. d (V. 193; ©. 85). Daly River. Dr. Dahl [C.]; 
Christiania Mus, [E.], 
A. Skull of a. 
a. le eee 
