Septembee 10, 1909] 



SCIENCE 



33J 



representative of the White Cross Society in 

 America and will, on request, send a pam- 

 phlet giving full details of the congress to any- 

 intending member. He will also undertake to 

 forward to Paris the names of subscribers and 

 their fees, if the same should be sent to him 

 in Washington, D. C. All persons sending 

 their fees directly to Paris are requested to 

 send Dr. Wiley their names in order that he 

 may have a complete list of the American 

 participants. 



The congress is held at an opportune time 

 for American members, since the rush of 

 travel eastward is now over, and by the time 

 the congress adjourns the rush of travel west- 

 ward wiU be materially lessened. The attend- 

 ing members, therefore, will not have diffi- 

 culty in securing passage each way. 



The president of the Universal Society of 

 the White Cross of Geneva is Professor Dr. 

 Ch. Vuille, Geneva, Switzerland; the general 

 delegate or manager of the society is M. Paul 

 Bolo, Paris, Prance. 



Intending members are urgently requested 

 to send names and fees without delay to Dr. 

 Wiley, also titles and abstracts of papers. 



TEE TWENTIETH ANNIVERSARY OF CLARK 

 UNIVERSITY 



From the sixth to the eighteenth of Sep- 

 tember Clark University will celebrate the 

 completion of the twentieth year of its activity 

 by a series of lectures and discussions in each 

 of the departments of mathematics, physics, 

 chemistry, biology, psychology, pedagogy and 

 history, and several academic and social meet- 

 ings. 



Each department will hold morning, after- 

 noon and evening sessions, as follows: 



September 6-11 — Psycliology and Pedagogy. 

 " 7- 9 — Biology. 



" 7-11 — Mathematics and Physios. 



13-18— History. 

 " 14-17 — Chemistry. 



There will be two general academic sessions, 

 at which honorary degrees will be conferred, 

 one on the evening of Friday, September 

 tenth, and the other some evening in the fol- 

 lowing week. The first of these general ses- 



sions and probably the second will be followed 

 by a reception. 



The program of the departments of psy- 

 chology and pedagogy have already been re- 

 ferred to in Science. In the department of 

 biology a series of conferences has been ar- 

 ranged on nature study and the teaching of 

 biology. 



In mathematics lectures will be given by 

 Professor E. H. Moore, of the University of 

 Chicago; Professor E. B. Van Vleck, of the 

 University of Wisconsin, and Professor James 

 Pierpont, of Yale University. Dr. Percival 

 Lowell will give an evening lecture on the 

 planet Venus, and there will be during the 

 week an exhibition of drawings and photo- 

 graphs from the Lowell Observatory. There 

 will further be several discussions on peda- 

 gogical topics. 



In physics, there will be series of lectures 

 by Professor Vito Volterra, of the University 

 of Rome, and lectures by Professor Ernest 

 Rutherford, of the University of Manchester; 

 Professor A. A. Michelson, of the University 

 of Chicago; Professor Carl Barus, of Brown 

 University; President E. F. Nichols, of Dart- 

 mouth College, and Professor R. W. Woods, of 

 the Johns Hopkins University. There will 

 also be a series of conferences on the teach- 

 ing of physics in schools, colleges and univer- 

 sities. Among those who have consented to 

 take part in these conferences are Professors 

 E. H. Hall, Harvard University; Henry Crew, 

 Northwestern University; A. Wilmer Duff, 

 Worcester Polytechnic Institute; William S. 

 Franklin, Lehigh University; M. I. Pupin, 

 Columbia University; William F. Magie, 

 Princeton University; Arthur L. Kimball, 

 Amherst College; A. P. WiUs, Columbia Uni- 

 versity ; C. Riborg Mann, University of 

 Chicago, and John F. Woodhull, Teachers 

 College, Columbia University. 



In chemistry a very extensive program has 

 been arranged. Among those who will give 

 addresses or make reports are President Ira 

 Remsen, of the Johns Hopkins University; 

 Professor W. A. Noyes, of the University of 

 Illinois; Professor M. T. Bogert, of Columbia 

 University; Professor Arthur Michael, of 



