February 30th, I goo.'] PROCEEDINGS. xvii 



General Meeting, February 20th, 1900. 



Horace Lamb, M.A., LT ..[)., F.R.S., President, in the Chair. 



Mr. R. J. Flintoff, Littleborough, and Mr. J. R. Ragdale, 

 U'hitefield, were elected ordinary members. 



Ordinary Meeting, February 2otb, igoo. 

 Horace Lamb, M.A., LL.D., F.R.S., President, in the Chair. 



The thanks of the members were voted to the donors of the 

 books upon the table. 



A discussion was held on the composition and durability of 

 paper used in making modern books, periodicals, and newspapers. 



Mr. F. Nicholson opened a discussion on the flight of birds, 

 with special reference to the influence of the tail in directing the 

 bird's movements, both vertically and horizontally. 



Mr. Edgar F. Morris read a paper entitled "Some 

 Criticisms on the Modern Theory of Solutions." 



This paper has been modified by the author and will be 

 printed in the Memoirs. 



A discussion arose upon the paper, in the course of which 

 Mr. R. L. Taylor remarked upon the anomalous position 

 occupied, according to the modern theory, by ions of hydrogen, 

 chlorine, hydroxyl, and alkaline metals in dilute acids, alkalies, 

 and salts, whereby properties of a conflicting character were 

 ascribed to these substances. Several other members, including 

 the President, also joined in the discussion. 



