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PKOCEEDINGS. 



March 20th, 1903. — Ordinary Meeting. 



The Eight Hon. Sir Ford North, F.R.S., Vice-President, in 



the Chair. 



The minutes of the annual meeting of February 20th were 

 read and confirmed. 



The following gentlemen were balloted for and duly elected 

 members of the Club : Mr. Thomas H. Casebourne, Mr. Edward 

 W. Nelson, Mr. Robert A. Rolfe. 



The additions to the Library and Cabinet were announced, and 

 the thanks of the meeting given to the donors. 



Mr. Stokes exhibited and described a form of stage which was 

 made to fit into the sub-stage of an ordinary microscope, thus 

 rendering it available for metallurgical purposes. It was ex- 

 plained that metallurgical microscopes were provided with a vertical 

 movement of the stage. The supplementary stage exhibited 

 could be fitted into the sub-stage and moved with it. He 

 thought it would supply a want by enabling an ordinary in- 

 strument to do what could previously be only obtained by 

 a microscope of special construction. 



The Chairman thought they had in this contrivance what 

 might prove a very valuable improvement, and anything which 

 would make one instrument answer the purpose of two could 

 hardly fail to be of advantage. 



The thanks of the meeting were voted to Mr. Stokes for his 

 exhibit. 



Mr, Kirkaldy's note " On the Phototropism of Daphnia " was 

 read by Mr. Scourfield, who said he could confirm the observations 

 as to the daily movements of plankton recorded in the paper. 

 When he and Mr. Sidwell were collecting Entomostraca in the 

 Lake District a year or two ago, they made a special point one 

 day of testing the vertical movement of the pelagic organisms in 

 Windermere. During the day the surface waters, to a depth of 



JouRN. Q. M. C, Series II. — No. 53. 38 



