PROCEEDINGS OF THE SOCIETY. 419 



it was equally good in illuminating the field of view and in filling the back 

 lens of the objective. 



Professor Conrady said that the lamp nipped a lot of microscopical 

 troubles in the bud, for a round source of light was certainly an ideal. 



A vote of thanks was accorded to the President for his remarks, who 

 in reply stated that he had made up his mind not to leave the Presidential 

 Chair ^ without saying something about that fetish " the edge of the 

 flame "-—as so many seemed to think that all other troubles vanished if 

 only this were used. What was required was a circular source of light 

 of suitable dimension. As far as electricity was concerned, the only 

 light that filled the bill was the Ediswan Pointolite, and there the 

 intensity was somewhat high. 



Mr. Rheinberg's donation of Photographic Scales and Micrometer 

 Rulings was exhibited. 



The President, by means of a series of lantern-slides, compared the 

 results of photographic and diamond rulings. 



The thanks of the Meeting were accorded to the President. 



The President announced that the next Meeting of the Biological 

 Section would be on November (i, Avhen the Members would pay a visit 

 to the King's College Bacteriological Laboratories at Chandos Street. 



The business proceedings then terminated. 



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