62 EXTINCT AND VANISHING MAMMALS 



come from the same locality, was secured from a Melbourne dealer. 

 In 1909 the fourth known specimen was presented to the National 

 Museum of Victoria by A. G. Wilson; it came from Mount Wills in 

 East Gippsland, some 160 miles from the Bass River habitat. A fifth 

 specimen was presented to the same institution by F. V. Mason, 

 who had taken it many years previously at the edge of the Koo- 



FIG. 7. Leadbeater's Opossum (Gymnobelideus leadbeateri) 



Wee-Rup Swamp, about 3 miles due south from Tynong Railway 

 Station and only a few miles from Bass River. (Brazenor, 1932, 

 pp. 106, 108.) 



Practically our entire knowledge of the species is based upon these 

 five specimens, which are in the National Museum of Victoria. 



Its general appearance is much like that of the Sugar Glider 

 (Petaurus breviceps) , but it has no flying membrane. Color above 

 brownish gray to fawn-gray, with a dark brown to black median 

 stripe from head to sacrum; dark patches above and below ear and 

 about eye; ears large, nearly naked toward tip; chin and throat 

 dull buff; rest of ventral surface light yellowish gray; tail long, 

 bushy, colored like body (in one specimen the terminal half is 

 black) . Head and body, 169-200 mm.; tail, 168-203 mm. (Brazenor, 

 1932, pp. 106-108.) 



