2nd Ser. ZOOLOGY.] 



[VOL. X. PAET 5. 



THE 



TRANSACTIONS 



V. 



L I B R A R Y| 



OF 



\^. 



THE LINNEAN SOCIETY OF LONDON. 



BISCAYM PLANKTON COLLECTED DURL\G A CRUISE OF 



H.M.S. 'RESEARCH,' 1900. 



Part VII.— M O L L U S C A (excluding Cephalopoda). 



BY 



De. PAUL PELSENEER, Professeur a I'Ecole Normale de Gaud. 

 Wiih a Note on (heir Distribution, by G. IIkrbert Fowler, B.A., Ph.D.j F.L.S., F.Z.S. 



LONDON: 



PRINTED FOR TUE LINNEAN SOCIETY 



BY TAVI.OK AND FRANCIS, KKI) LION COIIKT, FLKKT STREET. 



SOLI) .\l' TlIK society's APARTMENTS, BURLINGTON-llOUSE, PICCADILLY, W., 

 AND BY LONGMANS, GREEN, AND CO., PATERNOSTK R-ROW, 



Pelruary 1906. 



