218. PSETJDECHIS. ,327 



eye, sixth vfiry larpje. Scales, in 17 or 19 rows (20 to 23 on the 

 neck). Ventrals 184r-224; anal divided; siibcauials 55-65 pairs. 

 Adalt uniform brown above, or blackish with pale brown cross- 

 bands, yellowish beneath, uniform, or with small red spots ; young 

 with a dark brown blotch coveriag the crown and followed by 

 another on the nape, and small brown spots on the belly. 



Total length 1400 miUim. ; tail 200. 



Australia. 



A. Body with cross-bands. 

 a. c? , skin (Sc. 17; V. 202 ; Port Essington. Lord Derby rP.l. 



C.63). (Type.) ^ ^ 



h. Yg. (Sc. 17; V. 230; N.W. Australia. Sir J. Richardson [P.]. 



C.65). (Type.) 



. B. No cross-banda" on the body. 



a. S (Sc. 17; V. 184; N.W.Australia; ' ' R: Bynoe, Esq. [0.]; 



. C. 59). Sir J. Richardson 



[P.]. (Type.) 



h. 2 (Sc. 17 ; V. 223 ; 0. Geraldton; W; Mr. E. H. Saunders [0.]. 



. 61). Australia. 



e. Yg. (Sc. 19; V. 224: Swan River. Dr. Gunther fP.l 

 ' 0. 61). 



d. 2 (Sc. 19; V. 216; Australia. G. Krefet, Esq. [P.] 



C. 63). (Type of P. affinis.) 



■ 218. PSETJDECHIS. 



Trimeresuru9,part., LacSp. Ann. du Mus. iv. 1804, p. 209 ; Bum. 



8f Bihr. Erp. Oin. vii. p. 1244 (1854) ; Jem, Elenco sist. Ofid. 



p. 118 (1863). 

 Hurria, part., Merr. Tent. Syst. Herp. p. 92 (1820). 

 Pseudechis, Wagl. Syst. Amph.-^. 171(1830) ; Gunth. Cat. Col. Sn. 



p. 217 (1858)'; Kreft, 8n. Austral, p. 45 (1869). 

 Naja, part., Schleg. Phys. Serp. ii. p. 461 (1837). 



' Maxillary extending forwards as far as the -palatine, with a pair 

 ^f 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. 



Prontal once and one fourth to once 

 and two thirds as long as broad, as 



