354 JOURNAL, BOMBAY NATURAL BIST. SOCIETY, Vol. XXVL 



Gen. I. — Elpetaurus. 



No. 226. cinereus, Thos. 



DiSTKIBUTION : — 



E. cinereus, Thomas. ^yp^ locality : — Gilgit. 



Other localities : — None. 

 Co-types:— B. M. No. 88.9.28.1. 

 and Ind. Miis. Calc. No. a. 



Lectotype:—B. M. No. 88 9.28.1. 



Gen. II. — Petaurista. 



Established by Linkm 1795, takes the place of Pteromys (which 

 was only established by Ciivier in 1800) in any case; but the latter 

 has been shown to belong to the animals classed as Sciuropterus. 

 (See below). 



I published a study of this genus in 1911 ( J. B. N. H. S. xx, p. 



TVT oof? 7rri-i 1012), when I added some new 



No. 227. oral, Tick. ^' , 1^.111 



^ iycyn ■ (i o' names, and several others have been 



-sj ctnr, -^ Tj J added snice then. On the other 



No. 229. «««<7mrecM5, Hodgs. 1 i ,1 , 



AT oQA • A J liand the two names yunnanensis 



JNo. JoO. yunnanensis. And. , ^ ^ 1. 1 j j r- 



T^T 001 • ri ^iicl punctatus must be dropped irom 



No. 2dl. camceps, Gray. f 1. ■ r r . r. • 



■XT f,oo . . ri o^ii' ^ist ni lavoiir 01 then- represen- 



JNo. ZoJ,. punctatus, b^ray. ... j-j 1 j 7 jj 



^ ^ tatives candidulus and syoilla res- 



pectively. The whole maj^ be arranged in a key as follows : — 



Key to the species of Petaurista. 



A. — General colouring blackish or greyish, never rufous or 

 fulvous. 



a. Smaller, hindfoot 70-77 mm. 



a\ Smaller, hindfoot 72 mm. ... 1. oral, Tick. 



b\ Larger, hindfoot 77 mm. ... 2. Cinderella, Wr. 



6. Larger, hindfoot 80-85 mm. 



a\ Back of ears and forearm " bay "; 



tail drab-gre}^ ... ... ... 3. cineraceus, Bly. 



b\ No bay marking; tail black. 



a\ Limbs and parachute dark maroon, 



under surface salmon buff ... 4!.lyl€ivenningi, Thos. 

 h^. Limbs and parachute like the 

 back, at most with a rufous 

 tinge ; under surface white. 

 a^. Limbs and parachute with a 



rufous tinge ... ... 5. philippensis, Ell. 



6\ Limbs and parachute like the 



back ... ... ... G. lanka, Wr. 



