SPECIMEJSTS OF COLUMBELLA 



AND 



ALLIED FORMS 



(Recent or Fossil) with authentic localities ; also 

 And specimens in spirit, for dissection. 



Apply to Mr. S. PARR.Eoyal College of Science, or 252, Fulham Road, London, S.W. 



WAISTTBD. 



Either Recent or Possil, any Species of 



CLAUSILIA, PLECOTREMA, or POLYPLACOPHORA 



NOT IN COLLECTION. 



State desiderata to Mr. E. R. Sykes, 13, Doughty Street, London, W.C. 



Applications for Advertisements in these Proceedings to he made 

 to the Hon. Secretary, E. B. Sykes, Esq., F.Z.S., 13, Doughty 

 Street, W.C. 



