•912.] MINUTES. 



Xlll 



" Illustrations of Remarkable Cambrian Fossils from British 

 Columbia" (illustrated), by Charles D. Walcott, Sc.D., 

 LL.D., Secretary of the Smithsonian Institution, Washington. 



" Some Considerations Bearing Upon the Origin of Lava " 

 (illustrated), by William H. Hobbs, Ph.D., Professor of 

 Geology, University of Michigan. Discussed by Professor 

 Scott and Dr. Clarke. 



"Recent Archaeological Discoveries in Peru" (illustrated), by 

 Hiram Bingham, M.A., Ph.D., Curator of Latin American 

 Collections of Yale University. (Introduced Mr. Henry G. 

 Bryant.) Discussed by Professor Scott and Mr. Bingham. 



"The Discovery of the Continent of Antarctica by Americans: 

 An Historical Vindication," by General Adolphus W. Greely, 

 U. S. A., of Washington. Discussed by Mr. E. S. Balch, 

 Professor Hobbs, and General Greely. 



" The Interrelations of Eight Fundamental Properties of Classes 

 of Functions," by Arthur D. Pitcher, Assistant Professor of 

 Mathematics, Dartmouth College. (Introduced by Prof. 

 Eliakim H. Moore.) 



Evening Session, 8 o'clock. 



Robert Williams Wood, LL.D., Professor of Experimental 

 Physics at Johns Hopkins University, Baltimore, gave an illustrated 

 lecture on "The Study of Nature by Invisible Light, with Especial 

 Reference to Astronomy and Physics." 



Saturday, April 20. 



Executive Session — c^.^o o'clock. 



William W. Keen, M.D., LL.D., President, in the Chair. 



Pending nominations for membership were read and the polls 

 opened. 



Secretary Keller and Dr. Holland, tellers, subsequently reported 

 that the following nominees had been elected to membership: 



