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, pi. 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, pi. 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 fiying-membrane. 

 Fore toes subequal, their respective lengths as follows 4, 3, 5, 

 2, 1. Claws vei'y long, strongly curved, and sharply pointed. 

 Tail long, cylindrical, evenly bushy ; the extreme tip beneath 

 naked and prehensile. 



Dentition. I. J||, C. -J, P. |'f*, M. }-|f|= 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, Voluccella 

 (Bechstein, 1800) having been used by Fabricius six years 

 previously for a genus of Dipterous insects, -while the better 

 known name of Petaurista (Desmarest, 1820) had been used as a 

 synonym of Pteromys by G. Fischer a few years earlier. 



1. PETAUROIDES VOLANS, Kerr, sp. (1792). 



Greater Flying Opossum. 



Fur long, soft, and fluffy. General color dark ashy gray, 

 varying from nearly black to pale whitish-gray. Ears very large, 



