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22 
A Letter was read from Mr. John Hep worth, 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.B.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. 
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