286 PETAURUS. 



specimens of P. Taguanoides examined by me the 

 flank membrane terminates at the elbow, and not 

 at the wrist; and as regards the white tip to the tail, 

 I may remark, that in P. breviceps I have seen speci- 

 mens in which the tail is so coloured, though it is not 

 a general character in that species. On the under 

 side of the stand of this specimen was written 

 " Phalangista macroura." 



SUBGENUS 2. 



Belideus. 



YELLOW-BELLIED PETAURUS. 

 Petaurus flamventer. 



Petaurista flavi venter, Desmarest. Mammalogie, p. 269. 

 Didelphis Petaurus, Shaw. Gen. Zool. Vol. i., p. 496. 



Ears long and pointed, nearly naked, excepting 

 externally at the base, where they are tolerably well 

 clothed with fur; tail considerably longer than the 

 head and body taken together, bushy and thickest at 

 the base ; fur very long, loose, and soft; general colour 

 greyish-brown, sometimes with a yellowish tint; head 

 dusky, very dark around the eye, and on the muzzle 

 and chin ; there is also a dark patch at the base of 

 the ear; a broad blackish mark extends from the 

 occiput along the middle of the back ; the limbs ex- 

 ternallvj feet, and flank membrane above, are black 

 or nearly so ; the edge of the membrane just men- 

 tioned is fringed with dirty yellowish hairs ; the 



