262 



larger than the posterior, which are separated by a scale. 

 Scales in 15 rows; ventrals 207; anal divided; subcaudals 27. 

 Tail ending in a pointed scale, which is keeled above. 



Dark brown above, with irregular whitish blotches; upper 

 lip white. Lower surface white. Length of head and body 

 860 mm.; tail 80 mm. 



Type-specimen examined in the British Museum. 



Habitat: S. New Guinea (Setekwa river!). 



4. Apistocalamus lOnnbergi Boulenger. 



Apistocalamus loennbergii^ Boulenger, Ann. Nat. Hist. (8)1 1908, p. 248; Transact. 

 Zool. Soc. XX 1914 pi. XXX, fig. 4. 



Snout short, broadly rounded. Rostral slightly more broad 

 than deep, visible from above; posterior nasal in contact with 

 or narrowly separated from the praeocular; internasals about 

 half as long as the praefrontals; frontal as long as or shorter 

 than its distance from the tip of the snout, much shorter than 

 the parietals; one prae- and one postocular 

 (rarely two); temporals I + I or 2; six upper 

 labials (seven), third and fourth (third to fifth) 

 entering the eye, last largest; three or four 

 lower labials in contact with the anterior 

 chin-shields; latter as large as the posterior, 

 which are sometimes separated by a scale. 

 Scales in 15 rows; ventrals 199 218; anal 

 divided; subcaudals 22 32. Tail ending in a 

 pointed scale, which is keeled above. F i g . I04 . Apistocaia- 



Dark olive-brown above; scales of the sides mus Mnnbergi Blgr. 

 with yellowish centre; upper lip yellowish; 

 a yellow collar and a yellowish spot on each parietal may be 

 present. Lower surface uniformly yellowish. Length of head and 

 body 550 mm.; tail 40 mm. 



Type-specimens examined in the British Museum. 



Habitat: New Guinea (North of Fak Fak 1700 feet!, 

 German New Guinea). 



66. Pseudapistocalamus Lonnberg. 



(LoNNBERG, Ann. Hist. (7) VI p. 578, 1900). 



Head small, depressed, hardly distinct from neck; eye very 

 small; pupil round; nostril in a single nasal, the margin of 



