PLATK UU. 



■Jly^ld,^. dcU.. 



*1C' 



t/df C. Sow^rSy 



1. Bnll0ca aperta. 2 . jimphisplivTa JavuHna . 



3. Bulla lijclahs. 4.Bn]la>a catena. 



G.BuIlsea punctata. 



J^ondff?'!,. TtibUsh^d' iy John' Vafiy'FGcrsC. ISal. 



