732 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Dr. G. H. Parker read a paper entitled, " The Ears of Fishes 

 in Relation to the Noise of Motor-boats, etc." 



This was followed by a coram nnication on the " Location of 

 a Supposed Planet beyond Neptune." By Professor Percival 

 Lowell. 



The following papers were presented by title : — 



" A Revision of the Atomic Weight of Chromium. First 

 Paper : The Analysis of Silver Chromate.'' By. G. P. Baxter, 

 Edward Mueller, and M. A. Hines. 



" A Revision of the Atomic Weight of Chromium. Second 

 Paper : The Analysis of Silver Dichromate." By G. P. Baxter 

 and R. H. Jesse, Jr. 



Nine hundred eighthy-seventh Meeting. 



February 10, 1909. 



The President in the chair. 



There were twenty-three Fellows present. 



The Corresponding Secretary announced that the following 

 letters had been received : — 



From Henry H. Edes, Henry Fay, Reginald A. Daly, and 

 Harris H. Wilder, accepting Resident Fellowship; from the 

 New York Academy of Sciences, inviting the Academy to at- 

 tend its Darwin celebration on February 12 ; from the Uni- 

 versity of Geneva, inviting the Academy to send delegates to 

 the celebration of its three hundred and fiftieth anniversary, 

 July 7-10, 1909 ; from the American Antiquarian Society, 

 announcing the retirement of its Librarian, Mr. E. M. Barton, 

 and the appointment of Mr. C. S. Brigham to the position ; 

 from the Royal Society of Sciences, Gottingen, announcing a 

 prize of $25,000 to be awarded to the first person proving the 

 theorem that the equation x K + y x = z K cannot be solved in 

 integers if X is an uneven prime number; from the Royal 

 Academ}' of Sciences, Turin, announcing the seventeenth 

 Bressa Prize. 



On motion of the Corresponding Secretary, it was 



Voted, That the invitation of the University of Geneva be 

 accepted, and the selection of the delegates be made by the 

 President. 



