22 



A Letter was read from Mr. John Hepworth, of Crofts 

 Bank, describing his method of washing and mounting cal- 

 careous and silicious shells, dry and in balsam. Mr. Hepworth 

 also presented to the Members of the Section, for mounting, 

 a piece of injected kidney. 



A Paper by Mr. J. B. Dancer, F.R.A.S., was read, 

 " On cleaning and preparing diatoms obtained from soundings 

 and other sources." 



The Secretary exhibited a portion of sea weed from the 

 Gulf Stream, in which were found a few diatoms, remains of 

 entomostraca, &c., contributed by Mr. A. da S. Lima, of 

 London. 



