932 ROBERT COLLETT, 



has a white tip, which, in one specimeii, is only indicated by a few 

 white hairs, whilst in A this portion has a length of 15 mm. 



It is therefore probable, that P. ariel, as well as P. notatus, will 

 prove to be identical with P. hreviceps. 



The skull. 



In the structure of the skull and teeth of the two species, P. 

 sciureus and P. hreviceps, no decided difference can be detected 

 from the present specimens. Both species appear to agree entirely in 

 all details, except in size. 



B. Length of skull 32,5 mm, breadth 22 mm, length of lower 

 jaw 19 mm. 



C. Length of skull 35 mm, breadth 24 mm, length of lower jaw 

 20 mm. 



Dentition : i t, c }, p |, m f (40). 



In the young individual (A), the skull of which had a length of 

 31 mm, length of lower jaw 18 nmi, the innermost molar, the canine 

 and the two foremost premolars in the lower jaw had not yet ap- 

 peared. 



The molars are more sharply pointed than in the older specimens. 



48. Dactylopsila trivirgata Gray 1858. 



Daclylopsila Irivirgala Gray, in: Proc. Zool. Soc. Lond. 1858. p. 109, 

 pl. LXIII, fig. 1—4 (1858). 



A. Herbert Vale, Febr. 1883 (skin with skull). 



B. trivirgata is mentioned by Ramsay from about the same lo- 

 cality in 1876 (in : Ann. Mag. Nat. Hist. (4. ser.), vol. XVII, p. 331), 

 also by Gray from Cape York (in : Proc. Zool. Soc. Lond. 1886, p. 220), 

 and it thus inhabits (in Australia) the whole of Cape York Peninsula. 



It is called „Nolloa" by the natives, and it is supposed to feed 

 partly on wild honey. Only one specimen was seen by Dr. L. In 

 colour it corresponds exactly with Ramsay's description ; it may, how- 

 ever, be noticed, that at most but a quarter of the outermost part 

 of the tail is white. 



The skull. 



Length of the skull 58 mm, breadth 41 mm, length of lower jaw 

 38 mm. 



The foramen incisivum (in the present specimen) is formed both 

 by the intermaxillary and the maxillary. The suture strikes the fo- 

 ramen almost exactly in the middle. 



