218 REPTILES. 



moderate ; two nasals, nostril between ; no loreal ; one anterior, 

 two posterior oculars ; scales smooth, imbricate, in seventeen 

 rows ; anal bifid ; first subeaudals entire, hinder ones two-rowed 

 (exceptionally all entire). Grooved fang in front; some smaller, 

 not grooved ones behind. Australia. 



Trimeresurus, sp. (Lacep.) Guerin, Icon. Regne Anim. ; Dum. 

 Sf- Bibr. vii. p. 124/. Naja, sp., Schleg. Ess. ii. p. 479 ; Gray, 

 Zool. Misc. p. 55. Pseudechis, Wagl, Syst. Amph. p. 171. 

 Acanthophis, sp., Lesson, Voy. Duperr. Zool. Hurria, sp., Merr. 

 Tent. p. 92. Coluber, sp., Shaw, Zool. iii. p. 423. 



1. Pseudechis porphyriacus. 



Cokiber porphyriacus, Shaw, Zool. of N. Holl. p. 27. pi. 10, 

 and Shaw, Gen. Zool. iii. p. 423. pi. 110. Hurria porphyreus, 

 Merr. Tent. p. 92. Acanthophis tortor. Less. Voy. du Duperrey, 

 Zool. pi. 6. Pseudechis porphyriacus, Wagl. Syst. Amph. p. 171. 

 Trimeresurus porphyriacus, Guerin, Icon. Rept. pi. 24 1 Dum. Sf 

 Bibr. p. 1247. Naja porphyriaca, Schleg. Ess. pi. 17- f. 10, 11. 

 Naja austrahs. Gray, Zool. Misc. p. 55. 



Black or brownish olive above, belly and sides crimson ; ventral 

 plates blackish-edged. 



a-c. Adult and half-grown. New Holland. Old Collection. 



d. Adult: not good state. N.E.Australia. — Original specimen 



of Dr. Gray's N. australis. 



e. Adult. Australia. Presented by the College of Surgeons. 

 /. Adult. Australia. Presented by J. B. Jukes, Esq. 



g. Half-grown. Australia. 



Var. All subeaudals entire. 



h. Adult : not good state. Australia. From the Haslar Col- 

 lection. 



5. Hamadryas, Cantor. 



Body elongate and rather rounded ; tail moderate, not distinct 

 from trunk ; head not distinct from neck, moderate, quadrangular, 

 with moderate rounded muzzle; occipital shields large, surrounded 

 by three pairs of very large shields ; two nasals, nostril between ; 

 no loreal ; one (exceptionally two) anterior, three posterior 

 oculars ; scales smooth, much imbricate, in fifteen rows ; those 

 of the vertebral line larger, subhexagonal ; anal entue; first 

 subeaudals entire, hinder ones two-row^ed (exceptionally all bifid). 

 Grooved fang in front; some smaller ones, not grooved, behind. 

 East Indian Islands. 



Trimeresurus, sp., Dum. ^ Bibr. p. 1245. Hamadryas, Cantor, 

 Catal. p. 116. Naja, sp., Schleg. Ess. ii. pp. 476, 485. 



