1902,1 MINUTES. 39 



Andrew Carnegie, LL.D., New York. 



Prof. William B. Clark, Baltimore. 



Prof. Hermann Collitz, Ph.D., Bryn Mawr. 



Grove K. Gilbert, Washington. 



President Arthur Twining Hadley, New Haven. 



Prof. George B. Hale, Williams Bay, Wis. 



Prof. Paul Haupt, Baltimore. 



Prof. Albert Abraham Michelson, Sc.D. (Cantab), Chicago. 



C. Hart Merriam, Washington. 



Prof. Theodore William Eichards, Cambridge, Mass. 



Prof. Felix E. Schelling, Ph.D., Philadelphia. 



Prof. Eobert Henry Thurston, Ithaca. 



Benjamin Chew Tilghman, Philadelphia. 



Prof. Robert S. Woodward, New York. 



Foreign Residents — 



Antoine- Henri Becquerel, Paris, France. 



Jean-Gaston Darboux, Paris, France. 



Sir Michael Foster, F.R.S., D.C.L., Cambridge, Eng. 



Prof. G. Johnstone Stoney, F.R.S., London, Eng. 



Prof. Silvanus P. Thompson, F.R.S., London, Eng. 



Afternoon Session, 2 P.M. 

 President Wistar in the Chair. 



The following papers were read : 



"^Is Scientific Naturalism Fatalism ? A one-minute 

 paper" by Prof. William Keith Brooks, of Baltimore. 



'* On Dichotoma, a New Genus of Hydroid Jelly-Fish," 

 by Prof. William Keith Brooks, of Baltimore. 



'^ On Some Equations Pertaining to the Propagation of Heat 

 in^an Infinite Medium," by Prof. A. Stanley Mackenzie, of 

 Bryn Mawr, Pa. 



" On the Law of Magnetic Hysteresis," by Prof. M. I. 

 Pupin, of New York. 



" On the Continuity of Protoplasm," by Prof. Henry 

 Kraemer, of Philadelphia. 



