34 PETAURUS. 
References.—Thomas, B. M. Catal. p. 151, pl. xv. fig. 11 
(palm) ; Gould, Mamm. Austr. i. pl. xxiii. 
2, PETAURUS SCIUREUS, Shaw, sp. (1794). 
Squirrel-like Flying-Opossum. 
Size moderate. Fur soft and silky, slightly woolly. General 
color above a soft pale gray, with a well defined dark brown or 
black dorsal band; below white with a tinge of yellow. Ears 
rather variable in size, nearly naked inside, and terminally outside ; 
a deep black patch present along their external bases, succeeded 
posteriorly by a prominent white or pale yellow spot. Upper 
surface of parachute dark brown or grayish, the edges fringed 
with white or pale yellow. Hands and feet above white or pale 
gray. Palms and soles much as in P. australis, as also is the 
proportionate length of the toes. Tail moderate, very bushy, its 
color above and below gray, darkening terminally into black. 
Mamme (?) 
Dimensions.—Head and body about ten inches ; tail about 
eleven inches. 
Habitat.—Eastern Australia from Queensland to Victoria. 
References.—Thomas, B. M. Catal. p. 153; Gould, Mamm. 
Austr. i. pl. xxiv. 
3. PETAURUS BREVICEPS, Waterhouse (1838). 
Lesser Flying-Opossum. 
Size small. Fur soft and silky. General colors as in P. sciwreus, 
but with the dorsal band generally indistinct. Ears large. Length 
of fore toes as follows—4, 5, 3, 2, 1. Tail markedly more bushy 
basally. 
Dimensions.—Head and body about seven inches ; tail about 
eight inches. 
Habitat.—Northern and eastern Australia. Tasmania (intro- 
duced in 1835.) 
References.—Thomas, B. M. Catal. p. 156, pls. xv. fig. 9 (ear); 
xvi. figs. 9 (palatal view of skull), 10 (dentition) ; Gould, Mamm., 
Austr. i. pls. xxv. (P. breviceps), xxvi. (P. notatus), and xxvii. 
(P. ariel). 
Genus VIII.—GYMNOBELIDEUS, McCoy (1867). 
Size small. General appearance as in Petawrus. Ears large, 
naked, untufted. No flying-membrane. Toes of normal propor- 
tions ; their respective lengths as follows—4, 3, 5, 2,1. Claws 
less developed than in Petawrus. Tail long, cylindrical, and 
bushy. 
Cc 
