218. PsEUDECHIS. 327 
eye, sixth very large. Scales in 17 or 19 rows (20 to 23 on the 
neck), Ventrals 184-224; anal divided ; subcaudals 55-65 pairs. 
Adult uniform brown above, or blackish with pale brown cross- 
bands, yellowish beneath, uniform, or with small red spots; young 
with a dark brown blotch covering the crown and followed by 
another on the nape, and small brown spots on the belly. 
Total length 1400 millim.; tail 200. 
Australia, 
; A. Body with cross-bands. 
a. sd oo (Sc.17; V. 202; Port Essington. Lord Derby [P.]. 
(Type.) 
b. Ve, le. 17; V. 220; N.W. Australia. Sir J. Richardson [P.]. 
C. 65). (Type-) 
B. No cross-bands on the body. 
a 3 (Se. 17; V. 184; N.W. Australia. R. Bynoe, Esq. [C.]; 
C. 59). Sir J. Richardson 
(P.]._ (Type.) 
b. ey (Sc. 17; V. 223; C. Geraldton, W. Mr. E. H. Saunders [C. ]. 
61). Australia. 
¢. a, (Se. 19; V. 224; Swan River. Dr. Giinther [P.]. 
61). 
d. a Se eg 19; V. 216; Australia. G. Krefft, Esq. [P.] 
63). (Type of P. affinis.) 
218. PSEUDECHIS. 
Trimeresurus, part., Lacép. Ann. du Mus. iv. 1804, p. 209; Dum. 
& Bibr. Erp. Gén. vii. p- 1244 (1854); Jan, Elenco sist. Ofid. 
p- 118 (1863). 
Hurria, part., Merr. Tent. Syst. Herp. p. 92 (1820). 
Pseudechis, Wagl. Syst. Amph. p. 171 (1830) ; Giinth. Cat. Col. Sn. 
p- 217 (1858); Krefft, Sn. Austral. p. 45 (1869). 
Naja, part., Schleg. Phys. Serp. ii. p. 461 (1837). 
Maxillary extending forwards as far as the palatine, with a pair 
of large grooved poison-fangs followed by 2 to 5 small solid teeth ; 
mandibular teeth, anterior longest. Head distinct from neck, with 
distinct canthus rostralis ; eye moderate or rather small, with round 
pupil; nostril between two nasals; no loreal. Body cylindrical ; 
scales smooth, without pits, in 17 to 23 rows (more on the neck) ; 
belly rounded. Tail moderate; subcaudals in two rows or partly 
single, partly in two rows. 
Australia and New Guinea. 
Synopsis of the Species. 
I, Anal divided ; anterior subcaudals single (exceptionally divided) ; 
scales in 17 to 21 rows on the body. 
A. Scales in 17 rows on the body. 
1. Frontal longer than broad, 
Frontal. once and one fourth to once 
and two thirds as long as broad, as 
