808 PROCEEDINGS OF THE AMERICAN ACADEMY. 



The following communication was presented: Professor Alfred 

 G. Mayer, "On the Races of the Pacific." 



On motion of the President, the thanks of the Academy were 

 unanimously voted to Professor Mayer for his communication. 



The meeting then adjourned. 



One thousand and fifty-ninth Meeting. 



November 15, 1916. — Stated Meeting. 



The Academy met at its House. 



The President in the Chair. 



There were eighty-three Fellows present : — 



The Rumford Medals were presented to Dr. Charles Greeley 

 Abbot for his researches in Solar Radiation. 



Dr. Abbot addressed the Academy on "The Heat of the Sun." 

 The communication was illustrated by lantern slides. 



The following paper was presented by title: "Natural and Iso- 

 gonal Families of Curves on a Surface," by Joseph Lipka. Pre- 

 sented by H. W. Tyler. 



The meeting then adjourned. 



One thousand and sixtieth Meeting. 



December 13, 1916. — Stated Meeting. 



The Academy met at its House. 



Vice-President Thomson in the chair. 



There were forty-nine Fellows present. 



The following letters were presented by the Corresponding 

 Secretary: from Wm. Trelease, president of the Illinois Academy 

 of Science, inviting a representative of the Academy to be present 

 at its tenth anniversary, on February 23 and 24, 1917; from the 

 University of Illinois, an invitation to the dedication of its new 

 Ceramic Engineering Building; from Dr. Vincent Y. Bowditch, 

 enclosing a notice of the Academy meeting of May 25, 1825. 



The following deaths were announced : Cleveland Abbe, Fellow 

 in Class II., Section 1 ; Percival Lowell, Fellow in Class I., Sec- 

 tion 1; Charles Pomeroy Parker, Fellow in Class III., Section 2; 



