PETAUROIDES. 31 
-Limbs dark brown sometimes with white rings. Clothing of tail 
woolly ; from one to three inches of tip white ; naked part beneath 
from five to six inches long, coarsely shagreened. 
Dimensions.—Head and body about fourteen inches ; tail about 
thirteen inches. 
Habitat.—Herbert River District, Queensland. 
References.—Thomas, B.M. Catal. p. 170; Collett, P.Z.S. 1884, 
p. 383, pl. xxx. 
6. PsEUDOCHIRUS LEMUROIDES, Collett, sp. (1884). 
Sombre Opossum. ‘Yap-pi’ of the Aborigines. 
Size rather large. Fur soft and woolly. General color above 
dark brownish-gray ; below dirty yellowish-gray. Ears of moderate 
length. Limbs dark brown becoming black terminally. Tail 
rather short, clothed with uniform thick black fur ; its naked 
part below short. 
Dimensions.—Head and body about fifteen inches ; tail about 
twelve inches. 
Habitat.—Herbert River District, Queensland. 
References.—Thomas, B.M. Catal. p. 170; Collett, P.Z.S. 1884, 
p. 385, pl. xxxi. 
Genus V.—PETAUROIDES, Thomas (1888). 
Size large. Fur very long, soft, and silky. Ears very large, 
oval, naked inside, hairy outside. Flanks with a flying-nembrane. 
Fore toes subequal, their respective lengths as follows—4, 3, 5, 
2,1. Claws very long, strongly curved, and sharply pointed. 
Tail long, cylindrical, evenly bushy; the extreme tip beneath 
naked and prehensile. 
“4° 1.2.3 u 1.0.3.4 1.2.3.4 
Dentition.—l. 1.2.0? C 0 12) 1.03.4 M. heen 17 + (at most) 3 (or 
16 + 4) x 2 = 40. 
Habits.—Arboreal ; phytophagous. 
Note.—Both the genera whose names have been associated with 
the Great Flying Opossum prove to be inadmissable, Volwccella 
(Bechstein, 1800) having been used by Fabricius six years 
previously for a genus of Dipterous insects, while the better 
known name of Petawrista (Desmarest, 1820) had been used as a 
synonym of Péeromys by G. Fischer a few years earlier. 
1, PeTavuROIDEs vouans, Kerr, sp. (1792). 
Greater Flying Opossum. 
Fur long, soft, and fluffy. General color dark ashy gray, 
varying from nearly black to pale whitish-gray. ars very large, 
