OFFICERS AND MEMBERS 
xi 
Lorentz, Hendrik Anton Rijks Universiteit, Leiden. 
Ostwald, Welhelm Grossbothen, bei Leipsig 
Pavlov, Ivan Petrovitch Institute for Experimental Medicine, Petrograd. 
Penck, Albrecht \ .Universiidt, Berlin. 
Pfeffer, Wilhelm Botanisches Institut der Universitdt, Leipziz. 
Picard, Charles Smile Univer site, Paris. 
Rayleigh, Lord University, Cambridge. 
Retzius, Gustav Hogskolan, Stockholm. 
Rutherford, Sir Ernest ■ University, Manchester. 
Schuster, Arthur Secretary of the Royal Society, London. 
Seeliger, Hugo Ritter von Universitdt, Munich. 
Thomson, Sir Joseph University, Cambridge. 
Volterra, Vito Universitd, Rome. 
Vries, Hugo de U niversiteit, Amsterdam. 
Waals, Johannes D. van der Amsterdam. 
Waldeyer, Wilhelm Universitdt, Berlin. 
Wolf, Max F. J. C Heidelberg. 
Wundt, Wilhelm Universitdt, Leipzig. 
