XXIV 



interval of a full tone, a most disturbed, stormy sea would present itself 

 in the soap film. 



The President remarked that the results Mr. Johnston mentioned all 

 turned upon the same law of harmonics, although produced by somewhat 

 different mechanical means. 



A botanical paper, by Baron F. von Mueller, K.M.G., M.D., F.R.S., 

 entitled " Notes on Leontopodium catipes," was read by the Secretary, 



The meeting terminated with a vote of thanks to the authors of the 

 papers, and to the donors of presentations. 



