PTEROCERA. 



Species 2. (Miis. Cuming.) 



I'TEiiOLEiiA CHIRAGKA. Pier, festd ovato-ohlumjd, spirCi 

 brniuwiilji, ani„iuiatti, (iiifnietihiis: sIriU dnatis reijn- 

 larik'i- cuiinilnlis, snitvnii- cm/nn-i^, il/nuh' iiodath, aii- 

 fnudu ulttido roslh tiihi'msix chiyiilcto, liexadactylo, 

 dactylk curvads, loiigiimculk, lali expansk, columella 

 subcorrugatd ; aUiidd, caslatieo-fusco uudiqiie marmo- 

 ratd el vanegaln, columeUd et aperlnr/e fauce roseo- 

 raniei-i. 



The nouTY Pterocera. Shell ovately oblong, spire 

 rather short, acuminated, whorls encircled with regu- 

 lar raised striaa, concave round the upper part, then 



noduled, last whorl encircled with tuberous riiis, six- 

 clawed, claws curved, rather long, widely spread, 

 columella faintly wrinkled ; whitish, marbled and 

 variegated throughout with chestnut-red, columella 

 and interior of the aperture pinkish flesh-colour. 



Slroiiibus cldragra, Linnanis, Syst. Nat. (12th edit.) 

 p.l207. 

 Pterocera chiragra, Lamarck. 



Ilab. Island of Timor, &c.. Eastern Seas. 



This well-known species is chiefly remarkaljli- for tlu- 



«idely-ex])anded, star-like aiTangement of the claws. 



February, 1851. 



