130 PHALANOEEIDiE. 



Syno2}sis of Subfamilies and Genera. 



I. ExiEENAL ChABACIEES. 



A. Tail well developed, frequently longer 

 than the head and body. 



a. Tongue extensile. Muzzle very long 



and narrow, the distance between the 

 anterior corners of the eyes less than 



half that to the tip of the muzzle Tarsipedinae. 



«'. Tail slender, tapering, evenly short- 

 haired 1. Tahsipbs, p. 132. 



b. Tongue not extensile. Muzzle short and 



broad, the distance between the eyes 

 more than half that to the end of the 



muzzle Phalangerinae. 



A\ Tail distichous. 



a". A flying-membrane. Face not 



striped 2. Achobate.?, p. 1-36. 



i-. No flying-membrane. Face striped 3. Distcechubus, p. 139. 

 c'. Tail not distichous. 



c'-. Fore claws short, not exceeding 

 the terminal toe-pads. Tail 

 evenly short-haired terminally, 



murine in character 4. Dbomicia, p. 140. 



cP. Fore claws long, extending be- 

 yond tlie toe-pads. Tail never 

 murine in character. 

 a'. Tail bushy to end, including its 

 extreme tip helo^p. 

 n'. No flyiug-membrane. Fifth 



finger shorter than third. ... 5. Gymnobelideus,p. 149. 

 b*. A flying-membrane, extending 

 from fifth finger to anlile. 



Fifth finger longer than third 6. Petaueus, p. 150. 



b^. Tail partly naked terminally, 



even if only on its extreme tip 



below. 



c'. Fore toes unequal in length, 



the fourth enormously longer 



than the others. Bodj' broadly 



striped with blacli and white 7. Dactylopsila, p. 159. 

 dK Fore toes subequal in length. 

 Body not broadly striped. 

 a". A flying-membrane, ex- 

 tending from elbow to knee. 

 Ears very large, thickly 



furry externally 8. Petauboides, p. 163. 



b'. No flying-membrane. Ears 

 medium or short, rarely 

 quite covered with fur ex- 

 ternally. 

 (". Tail hairy above and on 



sides to end. ' 



a'. Fii'st and second 

 fingers more or less 



