127 



which siKcia might take in the structure of a diatom a possible 

 explanation might be found on the theory that the process of 

 deposit might be a vital process and not a mechanical one. 



Mr. Ingpen said he was much incUned to this view, and had 

 often thought that the development of a diatom might be some- 

 what the same as the formation of a shell, where the animal 

 absorbed lime in a soluble form on one side and deposited it in 

 an insoluble form on the other side. The tertiary structure 

 might possibly be the very origin of the diatom. 



Announcements of meetings, etc., for the ensuing month were 

 then made, and the proceedings terminated with the m^^ 

 conversazione. 



#■ 



^\C4t 



June 17th, 1898. — Ordinary Meeting. --a.^ 



J. Tatham, M.A., M.D., F.R.M.S., President, in the Chair: 



The minutes of the last meeting were read and confirmed. 



The following gentlemen were balloted for and duly elected 

 members of the Club : Mr. Arthur H. Sutch and Mr. Kaufmann 

 J. Marks. 



The following donations to the Club were announced : — 



" The Botanical Gazette " ... ... ... In Exchange. 



" Journal of the Royal Microscopical Society " ,, ,, 



^' Proceedings of the Royal Institution "... „ „ 



„ ,, Scottish Microscopical I 



Society" ... j " 



" Annals and Magazine of Natural History " Purchased. 



^ * Proceedings of the Geologists' A ssociation " j 



" On Microscopic Images and Vision " ... From Mr. L. Wright. 

 " Proceedings of the Royal Society " ... ,, the Society. 



Peregallo's " Catalogue General des Di- ) 



atomtes" I Purchased. 



Mr. Nelson said that Mr. Lewis Wright's paper was a reply to 

 papers by Lord Raleigh and Dr. Johnstone Stoney, in the " Pro- 



