THE RING-TAILED PHALANGERS., 97 
terior margin usually white; feet dark brown or black; tail 
dark brown, with from two to four inches of the tip white, and 
the naked inferior portion smooth, and from three to five 
inches in length. - Length of head and body about 14 inches ; 
of tail nearly the same. 
Distribution. Tasmania. 
While the common Ring-tailed Phalanger, with which, as 
already mentioned, the present species was largely confounded, 
was discovered during Cook’s first voyage, the one under con- 
sideration was obtained in the third expedition of the great 
navigator. 
VI. YE!.LOW PHALANGER. PSEUDOCHIRUS ARCHERI. 
Phalangista (Pseudochirus) archeri, Collett, Proc. Zool. Soc., 
1884, p. 381. 
. Pseudochirus archeri, Collett, Zool. Jahrbuch, vol. ii., p. 912 
(1887); Thomas, Cat. Marsup. Brit. Mus., p. -177 
(1888). 
This and all the remaining members of the genus differ from 
the five preceding species in the shortness of the ears, which 
are broader than long; while, with the exception of the present 
species, the tail is not tipped with white. 
Characters.—Size moderate; fur soft, close, and thick. General 
colour grizzled greyish-green ; chin greyish-white ; under-parts 
pure white; a distinct pale yellow spot above, and another 
_ below the eyes. Ears very short, broader than long, rounded, 
| their posterior edges and a spot beneath the base white. Nape 
and back with a dark median line, bordered by two indistinctly 
_ dark-edged whitish lines. ‘Tail with the terminal third white, 
and the inferior naked portion less than half the total length. 
_ Length of head and body about 14 inches; of tail 13 inches. 
) 
| 2 H 
