290 PETAURUS. 



the tip of the muzzle, along the middle of the back 

 (where it is broader and less defined,) nearly to the 

 root of the tail ; the upper surface of the flank mem- 

 brane, and the anterior and posterior portion of the 

 fore and hind-legs, are black or brown-black ; a 

 brownish black patch is observable just below the 

 ear ; the muzzle is dusky, and the eye is surrounded 

 by black ; the cheeks are greyish, and sometimes the 

 top of the head is very pale ; the feet are dusky-grey, 

 sometimes pale ; the chin, throat, inner side of limbs 

 and under parts of the body are white, or nearly so ; 

 the under side of the flank membrane near the outer 

 margin is dusky ; the margin is fringed with white 

 hairs ; the tail is smoky grey, blackish at the tip. 



Length from nose to root of tail, 8 j- inches ; tail, 

 8| inches ; nose to ear, 1^ inches; ear, 9^ lines; 

 tarsus, (without the claws) 1 inch 3^ lines ; fore- 

 foot, 1 inch f lines. 



Habitat, New South Wales, <c Cow pastures" 

 according to the Catalogue of the Australian Museum. 

 It is called, by the Colonists, the Sugar Squirrel, and 

 is also known by the name " Norfolk Island flying 

 Squirrel,'^ c. 



SHORT-HEADED PETAURUS. 



Petaurus breviceps. 



PLATE XXIX. 



Petaurus (belideus) breviceps, Waterh. Proceedings of the 

 Zoological Society of London for November 1838, p. 152 



Head short ; ears moderate, almost naked, being 



