218. PSEUDECHIS. 331 
212; subcaudals 54-64 (34-49 single and 15-30 pairs). Upper 
surface of head pale brown, of body and tail reddish brown, the 
middle of each scale being of a lighter colour than the apex ; lower 
parts uniform yellowish white. 
Total length 910 millim. ; tail 140.. 
Port Darwin, Northern Australia. 
5. Pseudechis papuanus. 
Pseudechis papuanus, Peters § Doria, Ann. Mus. Genova, xiii. 1878, 
p- 409 
Eye small, its diameter less than its distance from the mouth. 
Rostral broader than deep, the portion visible from above measuring 
one third its distance from the frontal; internasals two thirds the 
length of the preefrontals; frontal small, as broad as the supra- 
ocular, once and a half as long as broad, as long as the prefrontals, 
half as long as the parietals; posterior nasal in contact with the 
single preocular ; two postoculars ; temporals 2+ 2, lower anterior 
very large and wedged in between the fifth and sixth labials; six 
upper labials, third and fourth entering the eye, third deeper than 
fourth ; three lower labials in contact with the anterior chin-shields, 
which are a little shorter than the posterior. Scales in 19 or 21 
rows (26 or 27 on the neck). Ventrals 221-224; anal divided ; 
subcaudals 49-55 (26-27 single and 23-28 pairs). Uniform 
blackish, chin whitish. 
Total length 1900 millim.; tail 21. 
South-eastern New Guinea. 
a. Head and neck of adult. Port Moresby. Rev. W. G. Turner [C.]. 
6. Pseudechis scutellatus. 
Pseudechis scutellatus, Peters, Mon. Berl. Ac. 1867, p. 710. 
Eye moderate, its diameter exceeding its distance from the 
mouth. Rostral as deep as broad or slightly broader than deep, 
visible from above ; internasals shorter than the preefrontals ; frontal 
nearly as broad as the supraocular, twice as long as broad, as long 
as its distance from the rostral or the end of the snout, as- long 
as or shorter than the parietals ; posterior nasal in contact with or 
narrowly separated from the preocular, which is single or divided ; 
two postoculars ; temporals 2+3, first lower 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 as long as the posterior. Scales in 23 rows 
(25 to 30 on the neck). Ventrals 230-233 ; analentire; subcaudals 
61-78 pairs. Pale brown or blackish brown above ; snout and sides 
of head paler brown or yellowish; belly yellowish, with very in- 
distinct small dark spots in the young. 
