338 PROCEEDINGS OF SOCIETIES. 



members, and that papers bad been read or addressed, delivered 

 by the following members of the Society, on the subjects annexed 

 to their respective names. 



Mr. Mason Watson, " The Microscope as an instrument of 

 research, and as a means of detecting Adulterations in Food." 



Mr. Joseph Davidson, " Fresh-water Animalcules." 



Mr. John Brown, " Polarized Light." 



Mr, Geo. Hodge, " The Zoology of Seaham Harbour." 



Dr. Donkin, " Mounting of Microscopic Objects." 



Mr. John Brown, Sen., " The Microscope and its Appendages." 



Mr. Murray, F.H.C.S., "Cells and Ciliated Epithelium." 



Dr. McNay, "The Eye." 



The Treasurer's report exhibited an increase for the first year of 

 £15 55., and disbursements amounting to £18 12^. 7J. 



The following gentlemen were elected the executive for the en- 

 suing year : 



President, Dr. A. S. Donkin; Vice-President, Mr. D. H.Goddard; 

 Treasurer, Mr. Joseph Davison ; Secretary, Mr. T. P. Barkas, 49, 

 Grainger Street ; Committee, Mr. John Brown, Mr. Ellis, Mr. 

 M. Watson, Mr. W. W. Proctor, Mr. Davis, and Mr. B. Proctor. 



The Society held its annual soiree and conversazione on Tues- 

 day evening, March 19, 1861, in an elegant suite of rooms in 

 Welckes' hotel. Twenty-seven microscopes were exhibited, and one 

 hundred ladies and gentlemen attended the reunion. 



The admission was by ticket, and tea, coffee, and other refresh- 

 ments, were provided. Miss Harbutt kindly gave her services at 

 the piano-forte, and, at intervals during the evening, played excel- 

 lent and elaborate pieces of music. The whole proceedings passed 

 off to the entire satisfaction of the executive, and of those who 

 were present. The Secretary will be glad to receive contribu- 

 tions of books and slides for presentation to the Society. 



Islington Litebaet and Scientific Society. 

 Microscopical Class. 



February 2M, 1861. 



Dr. Camplin in the Chair. 



Mr. W. Hislop read a paper on fresh water Polyzoa, in which, 

 after some remarks on the extensive distribution and graceful 

 forms of the Polyzoa in general, he mentioned that the fresh water 

 species are less striking in appearance, and less known, than the 

 marine forms. There are 21 species of fresh water Polyzoa, 

 16 of which are British, 1 Belgian, and 4 North American, 

 being all found in the north temperate zone. They are usually 

 found in shallow water not exceeding four feet in depth, and 



