REPTILES COLLECTED IN DUTCH NEW GUINEA. 265 



52. DiPSADOMORPHUS IRREGULARIS MeiT. 



Mimika R. (B. O. U. Exped.), — Canoe Camp, Setekwa R. (Wollaston Exped.). 



53. PSEUDELAPS MUELLER! Scllleg. 



Camp III, Utakwa R., 2500 ft. (Wollaston Exped.)- 



54. Apistocalamus grandis, sp. n. (PI. XXX. figs. 3, 3 a.) 



Snout short, broadly rounded. Rostral broader than deep, just visible from above ; 

 internasals not quite half the length of the praefrontals ; frontal once and one-fifth as 

 long as broad, as long as its distance from the end of the snout, much shorter 

 than the parietals ; nostril between two nasals, widely separated from the internasal 

 and tlie first labial ; praeocular once and one-third as long as deep, in contact with the 

 posterior nasal; one postocular; temporals 1 + 2 ; six upper labials, third and fourth 

 entering the eye, last largest ; three lower labials in contact with the anterior chin- 

 shields, which are a little larger than the posterior. Scales in 1-3 rows. Ventrals 207 ; 

 anal divided ; subcaudals 27. Dark brown above, with irregular whitish blotches ; 

 upper lip and lower parts white. 



Total length 940 mm. ; tail 80. 



A single female specimen from Launch Camp, Setekwa R. (Wollaston Exped.). 



Nearly allied to A. loennhergii Blgr., Ann. & Mag. N. H. (8) i. 1908, p. 248, from 

 Fak-Fak, Dutch New Guinea, 1700 feet, the head of which is here figured for 

 comparison (PI. XXX. fig. 4). 



55. MiCROPECHIS IKAHEKA Less. (PI. XXX. fig. 5.) 



A single specimen from the Mimika R. (B. O. U. Exped.). 



This specimen belongs to the \ar.fasciatus Fisclier, which differs only in the coloration 

 from the typical form. Ventrals 182 ; subcaudals 40. Cream-coloured above, most 

 of the scales with a brown dot or spot ; 28 brown, dark-edged cross-bands, the anterior 

 forming pairs between which the ground-colour is pale brown instead of cream- 

 colour; head dark brown; belly cream-colour, dotted with brown in its posterior 

 two-thirds ; lower surface of tail blackish brown. 



A specimen obtained by Mr. A. E. Pratt in the Owen Stanley Range of British 

 New Guinea, altitude 4000 feet, is intermediate between the typical form and the 

 var. fasciatus. 



56. ACANTHOPHIS AXTARCTICUS ShaW. 



Mimika R. (B. O. U. Exped.). 



The specimens show, in a very marked manner, the characters of the var. palpehrosiis 



Shaw. 



2x\ 2 



