12 MINUTES. , [April i8 



Arthur Gordon Webster, Ph.D. (Berhn), Worcester, Mass. 

 Foreign Residents. 



Adolf Engler, Ph.D., Berlin. 



Dr. Hendrik Antoon Lorentz, Leyden,. Holland. 



Dmitri Ivanovitch Mendeleff, St. Petersburg. 



Theodor Noldeke, Ph.D., Strassburg. 



August Weismann, Freiburg. 



The following papers were presented: 



" Form Analysis," by Prof. Albert A. Michelson, of Chicago. 



" The Present Position of the Problem concerning the First 

 Principles of Scientific Theory," by Prof. Josiah Royce, of Cam- 

 bridge, Mass. 



" The Human Harvest," by President David Starr Jordan, of 

 Stanford University, Cal. 



'' On Positive and Negative Electrons," by Prof. H. A. Lorentz, 



of Amsterdam. 



Evening Session. 



Vice-President Barker in the Chair. 

 (See Franklin Bi-centenary Volume.) 



April ip. 

 (See Franklin Bi-centenary Volume.) 



April 20 — Morning Session. 

 (See Franklin Bi-centenary Volume.) 



Afternoon Session. 



The following papers were presented: 



*' The Elimination of Velocity-Head in the Measurements of 

 Pressures in a Fluid Stream," by Prof. Francis E. Nipher, of St. 

 Louis. 



" Old Weather Records and Franklin as a Meteorologist," by 

 Prof. Cleveland Abbe, of Washington. 



*' Was Lewis Evans or Benjamin Franklin the first to recognize 

 that our North-east Storms come from the South-west?" by Prof. 

 William Morris Davis, of Cambridge, Mass. 



" Notes on the Production of Optical Planes of large Dimen- 

 sions," by Dr. John A. Brashear, of Allegheny, Pa. 



