328 COLTTBEIB^. 



long as its distance from the rostral ; 



latter shield scarcely broader than 



deep ; ventrals 180-200 ; sub- 



caudals 50-60 1. porphyriacm, p. 328. 



Frontal nearly twice as long as broad, 



longer than its distance from the 



end of the snout ; rostral scarcely 



broader than deep; ventrals 199- 



' 210 ; subcaudals 57-72 2. cupreus, p. 329. 



Frontal once and two thirds to twice 



as long as broad, as long as its 



distance from the rostral ; latter 



shield considerably broader than 



deep ; ventrals 199-220 ; sub- 

 caudals 57-70 3. australis, p. 330. 



2. Frontal quite as broad as long ; ventrals 212 ; subcaudals 

 54-64 4. darwiniensis, p. 330. 



B. Scales in 19 or 21 rows on the body ; frontal once and a half 

 as long as broad, shorter than its distance from the end of 

 the snout ; rostral considerably broader than deep ; ventrals 

 221-224 ; subcaudals 49-55 . . 5. papuanus, p. 331 . 



II. Anal entire ; subcaudals all in pairs ; scales in 23 rows on the 



body ; ventrals 230-237 ; subcaudals 61-78. 



Frontal twice as long as broad, as long 



as its distance from the rostral or the 



end of the snout 6. scutellatns, p. 331. 



Frontal once and a half as long as 



broad, as long as its distance from 



the rostral 7. microlepidotus, p. 332. 



III. Anal divided ; subcaudals all in pairs ; scales in 23 rows on 

 the body ; ventrals 235 ; subcaudals 60. 



8. ferox, p. 332. 



1. PseudecMs porphyriacus. 



Coluber porphvriacus, Shaw, Zool. N. Holl. p. 27, pi. z. (1794), and 



Zool. ill. p. 423, pi. ex. (1802). 

 Trimeresurus leptocephalus, Lac^p. Ann. du Mus. iv. 1804, pp. 196 



& 209, pi. Ivi. fig. 1. 

 Coluber (Hurria) porphyreus, Merr. Tent. p. 92 (1820). 

 Duberria porphyriaca, Fitzing. N. Class. Rept. p. fit) (1826). 

 Acanthophis tortor, Lesson, Voy. CoquUle, Zool. ii. p. 65, Mept. pi. vi. 



(1830). t , f t; 



Naja porphyriaca, ScJileg. Fhys. Serp. ii. p. 479, pi. xvii. fiffs. 6 & 7 



(1837). 

 Trimeresurus porphyricus, GuSr. Icon. S. A., Rept. p. 15, pi. xxiv. 



fig. 1 (1844). 



