146 THE POPULAR SCIENCE MONTHLY 



meeting, all of these appearing in 1902. In 1903, Professor A. S. Pack- 

 ard wrote an appreciative biography in the Proceedings of the American 

 Academy of Arts and Sciences, and in 1904 T. W. Stanton wrote a 

 sketch in the Proceedings of the Washington Academy of Sciences, and 

 finally the late Professor William K. Brooks published a memoir of 

 Hyatt in the " Biographical Memoirs " of the National Academy of 

 Sciences, Volume 6, 1909, this paper containing a chronological list 

 of the titles of his published papers. In 1885 a contemporaneous 

 biography of Hyatt was published by Ralph S. Tarr in volume 28 of 

 The Popular Science Monthly. 



