vi MINUTES. [April 21, 



" Moreau de St. Mery : One of Our Forgotten Members," by 

 J. G. Rosengarten, Philadelphia ; discussed by Prof. Cleve- 

 land Abbe and Mr. Sachse. 



" The Relations of the United States to International Arbitra- 

 tion," by Hon. Charlemagne Tower, Philadelphia. 



" The Early German Immigrant and the Immigration Question 

 of To-day," by ^\. D. Learned, Professor of German, Uni- 

 versity of Pennsylvania ; discussed by Prof. Henry F. Os- 

 born. 



" On the Solution of Linear Dififerential Equations by Succes- 

 sive Approximations," by Preston A. Lambert, Professor of 

 Mathematics, Lehigh University, Bethlehem. 



" Generalizations of the Problem of Several Bodies, its Inver- 

 sion, and an Introductory Account of Recent Progress in its 

 Solution," by Edgar Odell Lovett, President of the Rice In- 

 stitute, Houston, Texas. 



" On the Totality of the Substitutions on ;; Letters which are 

 Commutative with Every Substitution of a Given Group on 

 the Same Letters," by Geo. A. Miller, Professor of Mathe- 

 matics, University of Illinois. (Introduced by Prof. C. L. 

 Doolittle.) 



" Report on the Second Conference of the International Cata- 

 logue of Scientific Literature," by Leonard C. Gunnell, of 

 the Smithsonian Institution (introduced by Dr. Cyrus Ad- 

 ler) ; discussed by Prof. Henry F. Osborn. 



Friday, A[)ril 21. Executive Session — 10 o'clock. 



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

 Mr. Charles Francis Brush, a recently elected member, signed 

 the Laws and was admitted into the Society. 



The Proceedings of the Officers and Council were submitted. 



jMorning Session — 10.05 o'clock. 

 Edward C. Pickerixc, LL.D., F.R.S., \ice-President, in the Chair. 

 The following papers were read: 



