xiv MINUTES. [April 23, 



" Spectra of Recent Comets," by Edwin B. Frost, Director of 

 Yerkes Observatory, Williams Bay, Wis. 



" On the Distances of Red Stars," by Henry Norris Russell, 

 Assistant-Professor of Astronomy, Princeton University. 

 (Introduced by Professor W. F. Magie.) 



"A Standard System of Photographic Stellar Magnitudes," by 

 Edward C. Pickering, Director of Harvard College Observa- 

 tory, Cambridge. 



" The Existence of Planets about the Fixed Stars." 



" Results of Recent Researches in Cosmical Evolution," by T. 

 J. J. See, U. S. Naval Observatory, Mare Island, Cal. 



" Some Interesting Double Stars," by Eric Doolittle, Assistant- 

 Professor of Astronomy in University of Pennsylvania. 



" Radio-action in the Heavenly Bodies." 



" Radio-action the Cause of Hale's Anomalous Solar Spec- 

 trum," by Monroe B. Snyder, Director of the Philadelphia 

 Observatory. 



" Certain Irregularities in the Problem of Several Bodies," by 

 Edgar Odell Lovett, President of the William M. Rice In- 

 stitute, Houston, Texas. 



" Groups Generated by Two Operators, Each of which Trans- 

 forms the Square of the Other into a Power of Itself," by 

 George A. Miller, Professor of Mathematics in the Univer- 

 sity of Illinois. (Introduced by Professor C. L. Doolittle.) 



** Obituary Notice of Simon Newcomb, F.R.S., LL.D., D.C.L., 

 late Vice-President of the American Philosophical Society," 

 by C. L. Doolittle, Director of the Flower Observatory of 

 the University of Pennsylvania. 



Presentation of a portrait of the late Vice-President Newcomb. 

 Acceptance on behalf of the Society, by Vice-President 

 Pickering. 



Afternoon Session — 2 o'clock. 

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

 Dr. Harry C. Jones, a newly-elected member, subscribed the laws 

 and was admitted into the Society. 



