CONTENTS. IX 



Papers {continued) — page 



Remarks on the Shells of the genus Rhodea, with descriptions of 

 two new species from South America, and the description of 

 Papuina chilochroa, n.sp., from British New Guinea. By S. I. 

 Da Costa. (Illustrations.) 304 



On Planispira {Cristigihha) Buruensis, n.sp., and Omphalotropis 

 Hercules, n.sp., from the Island of Buru. By J. H. Ponsonby, 

 F.Z.S., etc., and E. R. Sykes, B.A., F.L.S., etc. (Illustrations.) 307 



Note on the Epiphragm of Achatina immaculata, Lam. By E. A. 



Smith, F.Z.S., etc. (Illustrations.) 309 



Notes on some Marine Shells from North-west Australia, with 

 descriptions of new species. By E. A. Smith, F.Z.S., etc. 

 (Illustrations.) 311 



Description of Unio Pahangensis, n.sp., from the River Pahang. 



By E. A. Smith, F.Z.S., etc. (Illustrations.) 315 



Note on the Nervous System of Ampullaria, sp. By R. H. Burne, 



B.A., F.Z.S., etc. (Illustration.) 317 



Description of Sigaretus ? Drewi,, n.sp. (fossil), and Cirsonella 1 

 Neozelanica, n.sp., from New Zealand, with notes on some 

 New Zealand Land MoUusca. By R. Murdoch. (Plate XVI.) 320 



Notes on Land-Shells from a Holocene Deposit at the Horseshoe 

 Pit, CoUey Hill, Reigate. By the Rev. R. Ashington Bullen, 

 B.A., F.L.S., etc 326 



Anatomical Notes on Medyla inscidpta (Pfr.). By H. Suter. 



(Illustrations.) 330 



