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OF THE 



LEEDS NATURALISTS' CLUB AND SCIENTIFIC 

 ASSOCIATION. 



1889. 



Meeting held iu the Library of the Philosophical Hall, February 4th, 

 1889. H. B. Hewetsoii, M.R.C.S., Vice-President, ia the chair. The 

 chairman introduced Professor De Burgh Birch, M.D., CM., F.R.S.E., 

 the elected President for the year. 



Professor Birch then took the chair, and after expressing his thanks 

 for the honour conferred upon him by the Club, gave his presidential 

 address on " Low Forms of Life — Industrial, 'Putrefactive' and Patho- 

 logical." 



Exhibits : — 



Dr. Jacob exhibited and described Bacillus tuberculosis, germs of 

 Leprosy, Anthrax (woolsorter's disease), Abscess, and others. 



Mr. Branson exhibited a number of lantern slides of Bacilli and other 

 organisms on the screen. 



Mr. George Hainsworth exhibited the Yeast Plant. 



Mr. John Stubbins, F.G.S., F.E.M.S., exhibited Actinophrys eichornii. 



Meeting held in Room 80, Municipal Buildings, February 11th, 1889. 

 John Stubbins, F.G.S., F.R.M.S., Vice-President, in the chair. 

 Exhibits : — 



Mr. Stubbins exhibited a small case of Bees which he had received 

 from Mr. Fred. Enock, of London. These were arranged by the side of a 

 corresponding number of Diptera which had taken to themselves certain 

 notable features of resemblance so as to pass for and even to delude the 

 actual Bees. The Bees and Insects shown were Apathus vestalis {psithyras) 

 by Volucella peUiccens, Bombus lapidarius by a variety of Volucella 

 bombi/lam, and Bombus muscorum by Volucella bombylans. 



Mr. Phillips showed Polypodium vulgare. 



Mr. Boulton exhibited a microtome which he had just completed, 

 adapted for cutting sections by the paraffin and celluloidiu process. 



Mr. W. Kirkby exhibited a large and valuable collection of plantsj 

 some ninety in all, from France, Norway, and New Zealand, giving several 

 interesting notes ou certain peculiarities, and on their actual or allied 

 representatives in Britain. 



