30 PSEUDOCHIRUS. 



Dimensions. Body and head about fourteen inches, tail nearly 

 the same length. 



Habitat. Tasmania. 



References. Thomas, B. M. Catal. p. 176, pis. xviii. fig. 7 

 (jaws) ; xix. fig. 4 (upper view of skull) ; Gould, Mamm. Austr. 

 i. pi. xix. 



3. PSEUDOCHIRUS OCCIDENTALIS, Thomas (1888). 

 Western Ring-tailed Opossum. 



Size moderate. General color above deep smoky-gray; below 

 white. Ears thinly hairy, the white spot on the posterior margin 

 small. Hands and feet darker than the rest of the limbs. White 

 tip of tail extending over five or six inches ; naked part below 

 smooth, about four inches long. 



Dimensions. Head and body about thirteen inches ; tail about 

 twelve inches. 



Habitat. West Australia. 



References. Thomas, B. M. Catal. p. 174, pis. xviii. fig. 6 

 (upper jaw); xix. fig. 3 (upper view of skull). 



4. PSEUDOCHIRUS PEREGRINUS, Boddaert, sp. (1785). 



Common Ring-tailed Opossum. 



Size large. General color above gray or rufous in varying 

 proportions ; below white, grayish-white, or rufous. Region 

 round the eyes often prominently rufous. Ears rather large, 

 their backs usually gray anteriorly with the posterior white patch 

 distinct, sometimes uniform rufous. Outer side of arms and legs 

 rufous. Hands and feet white or pale rufous. Middle third of 

 tail black or nearly so ; from one to four inches of the tip white ; 

 naked part beneath smooth, transversely striated, from one to 

 four inches long. 



Dimensions. Head and body about sixteen inches ; tail about 

 fourteen inches. 



Habitat. Eastern Australia from Southern Queensland to 

 South Australia. 



References. Thomas, B. M. Catal. p. 172, pis. xvii. fig. 4 

 (ear) ; xviii. fig. 5 (jaws) ; xix. fig. 2 (upper view of skull) ; 

 Gould, Mamm. Austr. i. pis. xviii. (P. cooki), xx. (P. lanuginosa). 



5. PSEUDOCHIRUS HERBERTENSIS, Collett, sp. (1884). 

 Herbert River Opossum. ' Oota ' of the Aborigines 



Size moderate. Fur thick, close, and woolly. General color 

 above dark umber-brown ; below, chin brown, chest and belly 

 white, or grayish-white with irregular white patches, Ears short. 



