342 COLUBRID. 
shields, which are shorter than the posterior. Scales in 15 rows. 
Ventrals 160; anal entire; subcaudals 25. Pale brown above, 
each scale with a dark brown spot; head and nape orange, with 
blackish-brown symmetrical markings; a blackish streak on each 
side of the head, passing through the eye, and terminating on the 
anterior temporals ; upper lip and lower parts yellowish white. 
Total length 350 millim.; tail 36. 
North-western Australia. 
a. 2 (V. 160; C. 26). Port Walcott. Capt. Beckett [C.]. 
14. Denisonia gouldii. 
ied ae Gray, in Grey’s Trav, Austral. ii. p. 444, pl. v. fig. 1 
Hopes opal gouldii, Giinth. Cat. 215 (1858); Krefft, Proc. 
c. 1866, p. 370, and Sn, Badal p- 60, pl. xii. fig. 2 (1869). 
Eres gouldii, Jan, Rev. § Mag. Zool. 1859, p. 128, and Icon, Gén, 
44, pl. i. fig. 5 (1873). 
Hoplocephalus nigriceps, Giinth. Ann. § Mag. N. H. (8) xii- 1868, 
p. 362; Krefft, Sn, Austral. i 68, pl. xii. fg. ‘é 
—— spectabilis, Krefft, 7. c. p. 61, pl. xii. fig. 4 
Eye as long as or a little longer than its distance from the mouth. 
Rostral twice as broad as deep, visible from above; internasals at 
least two thirds as long as the preefrontals; frontal a little longer 
than broad, at least twice as broad as the supraocular, as long as or 
a little longer than its distance from the end of the snout, shorter 
than the parietals; nasal entire, in contact with the single pree- 
ocular ; two postoculars ; temporals 2+ 2, lower anterior wedged in 
between the fifth and sixth labials ; ; six upper labials, third and 
fourth entering the eye; three or four lower labials in contact 
with the anterior chin-shields, which are as long as or a little 
shorter than the posterior. Scales in 15 rows. Ventrals 140-170; 
anal entire; subcaudals 22-33. Yellow to brown above; head 
and nape black, or black and yellow above; upper lip and lower 
parts yellowish. ° 
Total length 435 millim.; tail 50, 
Western and Southern Australia. 
A. Yellowish above, scales edged with brown. (2. gouldii, Gray.) 
a. 2 (V. 162; ©. 80). W. Australia, Sir G, Grey [P.}. 
(Type. ) 
b-c. d (V.170;C. 33) Swan R. Sir A. ‘Smith [P.]. 
& 9 (V.163; C. 31). 
d. 9 (V. 161; C. 31), Swan R. 
e. do (V. 147; C. 83). Flinders Range, - G. Krefft, Esq. [P.]. 
S. Australia. 
St. 2 (V. 152; ©. 22). Port Lincoln, G. Krefft, Esq. [P.]. 
S. Australia, 
g. 3 (V. 143; C. 28), 8. Australia. Prof. Stirling [ P.]. 
h-i. 2 (V.140;C.26) Australia, 
& yg. (V. 146; 0, 
24). 
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