THE PROGRESS OF SCIENCE. 



379 



Section of Physiology and Experi- 

 mental Medicine — The present vice- 

 president, Professor H. P. Bowditch, 

 Harvard University, will serve another 

 year. 



The American Society of ^^aturalists 

 — Professor E. L. Mark, Harvard Uni- 

 versity. 



The Astronomical and Astrophysical 

 Society of America- — ^Simon Newcomb, 

 Washington. 



Physiology — Dr. G. T. Moore, Wash- 

 ington. 



American Physiological Society — Pro- 

 fessor Russell H. Chittenden, Yale Uni- 

 versity. 



American Society of Zoologists, East- 

 ern Branch — Professor E. A. Andrews, 

 Johns Hopkins University. 



American Society of Vertebrate 

 Paleontologists — Professor Henry F. 

 Osborn, Columbia University. 



Edward L. Mark, Professor of Anatomy, Harvard University, Vice-president for Zoology 

 and President of the American Society of Naturalists. 



The Geological Society of America — 

 Professor J. C. Branner, Stanford Uni- 

 versity. 



The American Philosophical Associa- 

 tion — Professor G. T. Ladd, Yale Uni- 

 versity. 



T/ie American Psychological Associa- 

 tion — Professor William James, Har- 

 vard University. 



Association of American Anatomists 

 — Professor Charles S. Minot, Harvard 

 University. 



Society of American Bacteriologists 



— Dr. F. G. Novy, the University of 

 Michigan ; 



Society for Plant Morphology and 



THE ST. LOUIS EXPOSITION AND 



ITS CONGRESS OF ARTS 



AND SCIENCE. 



It is quite possible that the attend- 

 ance at the St. Louis meeting of the 

 American Association was somewhat de- 

 creased by the fact that many members 

 propose visiting the Louisiana Pur- 

 chase Exposition and were unable to 

 make the journey to St. Louis twice 

 within a year. Those in attendance at 

 the meeting had, however, the privilege 

 of visiting the grounds of the exposi- 



