scales without pits, in 15 or 17 rows; ventrals rounded. Tail 

 short; subcaudals in two rows. 



Distribution. New Guinea; Woodlark Island. 



Key to the species. 



A. Scales in 17 rows; ventrals 274 305 I. T. longissimus p. 256. 



B. Scales in 15 rows; ventrals 230 261 2. T. stanleyanus p. 256. 



1. Toxicocalamus longissimus Boulenger. 



Toxicocalamus longissimus^ Boulenger, op. cit. ; Proc. Zool. Soc. 1903 II 

 pi. XIII, fig. 2. 



Rostral slightly more broad than deep, visible from above; 

 internasals half as long as the praefrontals, which are in contact 

 with the second and third labials and with the eye; frontal 

 small, as long as its distance from the tip of the snout, much 

 shorter than the parietals, a little broader than the supra- 

 ocular; no praeocular, one postocular; temporals i -f 2; six 

 upper labials, third and fourth entering the eye; three lower 

 labials in contact with the anterior chin-shields; latter a little 

 longer than the posterior. Scales in 17 rows; ventrals 274 305; 

 anal divided; subcaudals 30 46. Tail ending in a compressed 

 horny scale, which is keeled above. 



Grey-brown above, with dark streaks on the scales; sides 

 whitish, each scale with a grey-brown streak; a reddish bar 

 across the snout; a reddish spot behind the eye and another, 

 sometimes indistinct, on the occiput; the dark colour of the 

 head forming two vertical bars across the yellow upper lip, 

 one passing through the eye, the other behind the corner of 

 the mouth. Lower surface white, with two grey-brown longi- 

 tudinal streaks. Length of head and body 612 mm.; tail 38 mm. 



Type-specimens examined in the British Museum. 



Habitat: Woodlark Island! and Ferguson Island, Brit. 

 New Guinea. 



2. Toxicocalamus stanleyanus Boulenger. 



Toxicocalamus stanleyanus^ Boulenger, Proc. Zool. Soc. 1903 II p. 128, 

 pi. XIII, fig. 3. 



Rostral much more broad than deep, visible from above, 

 internasals almost as long as the praefrontals, which are in 

 contact with the second upper labial and with the eye; frontal 



