8 CATALOGUE OF MAMMALS FROM NEW GUINEA. 
of the Koala, is also common to the species of Cuscus, and is pro- 
bably produced by the habit of the animal sitting on its rump, rolled 
up into a ball, on the fork of the branches of trees. 
The skull shows that the animal is much younger than the label 
indicates, as it appears only to have the milk teeth, and the broad 
lower incisors of the younger specimens of this genus. The skull 
differs both from that of C. ursinus and C. maculatus, but it is too 
young to predict what may be the normal form of the adult animal. 
The front halfof the space between the eyes is rather convex, but 
not nearly so much so as the young skull of C. maculatus; and the 
front of the forehead just behmd the convexity described is rather 
concave ; this concavity has no resemblance to the deep concavity 
occupying nearly the whole space between the eyes in C. ursinus and 
C. maculatus. 
4, CUSCUS URSINUS. 
Phalangista (Ceoniz) ursina, Temm. Monog. i. 10. t. 1. f. 1-3 ; 
t. 2. f. 1-5, skull; t. 3, skeleton; Lesson, Cent. Zool. t. 10; Wer 
house, Mamm.1i. 267, part. 
Cuscus ursinus, Gray, Proc. Zool. Soc. 1858. 
Ears almost hidden in the fur, clothed with fur internally and ex- 
ternally ; fur blackish-ash, with larger silvery hairs ; head, throat, 
belly and tail rather pale brown ; forehead flat, concave ; forehead 
of the skull flat, deeply concave ; grinders large, in a strongly-arched 
series. 
Hab, Celebes. 
a. The specimen with its skull, which was obtained from the Zoolo- 
gical Society, and is the specimen described by Mr. Waterhouse in 
Mammalia, 1. p. 268. 
The other specimen there indicated as being in the British Mu- 
seum is a young example of C. maculatus. 
In Lesson’s figure in Cent. Zool. t. 10, it is represented as uniform 
blackish-brown, ath rather large white-edged ears! 
The larger size of the teeth and the flatness of the forehead of the 
skull at once separate this from C. maculatus. 
5. Cuscus CELEBENSIS. 
Ears produced beyond the fur, naked internally. Male and female 
alike, ashy-grey, grizzled with silvery hairs; the nape and the upper 
part of the muddle of the back blacker, but. without any distinet 
dorsal streak. 
Cuscus Celebensis, Brit. Mus. ; Gray, Proc. Zool. Soc. 1858, t. 62. 
Hab. Celebes ; Macassar (Wallace) ; San Cristoval (Macgil- 
livray). 
a. Young animal, from the island of Macassar. Procured from 
Mr. J. R. Wallace in 1851. 
6. Adult male and female, from San Cristoval, Soloman Group of 
Islands, Dec. 1855. Presented by John Macgillivray, Esq. and F. 
M. Rayner, Esq. in 1856. 
