554 PROCEEDINGS OF THE AMERICAN ACADEMY. 



United States to send a vessel to explore and survey the coast 

 of Wilkes Land and other parts of Antarctica. 



The following deaths were announced by the Chair: — 



John M. Ordway, Associate Fellow in Class I, Section 3 ; 

 Simon Newcomb, Associate Fellow in Class I, Section 1. 



On motion of E. L. Mark, it was 



Voted, that a committee be appointed to investigate the ques- 

 tion of co-operation with other scientific societies in urging the 

 Government to send a vessel to explore the coast of Wilkes 

 Land. 



The question of an exhibit at the Boston "1915" Exposition 

 was referred to the Librarian, with full power. 



President Trowbridge gave a paper entitled " The Future of 

 Aeroplanes." 



The following papers were presented by title : — 



" The Principle of Relativity and Non-Newtonian Mechanics." 

 By Gilbert N. Lewis and Richard C. Tolman. Presented by 

 C. R. Sanger. 



" Friction in Gases at Low Pressures." By J. L. Hogg. Pre- 

 sented by John Trowbridge. 



" The Quantitative Determination of Antimony by the Gut- 

 zeit Method." By Charles Robert Sanger and Emile Raymond 

 Riegel. 



" The Preparation and Properties of Pyrosulphuryl Chloride 

 and Chlorsulphonic Acid." By Charles Robert Sanger, Emile 

 Raymond Riegel and Lawrence Haines Whitney. 



" A Revision of the Atomic Weight of Phosphorus." By 

 Gregory P. Baxter and Grinnell Jones. 



" The Equivalent Circuits of Composite Lines in the Steady 

 State." By A. E. Kennelly. 



" Hepl <f>ucre&)9. A Study of the Conception of Nature among 

 the Pre-Socratics." By William A. Heidel. Presented by Mor- 

 ris H. Morgan. 



Nine hundred ninety-second Meeting. 



November 10, 1909. 



The President in the chair. 



There were thirty-seven Fellows present. 



