THE PROGRESS OF SCIENCE 



519 



IS 83. Thomson was prepared to as- 

 similate the discoveries of Lenard, 

 Rbntgen and Becquerel, and has made 

 the Cavendish Laboratory under his 

 direction the great center for the newer 

 physics and the discoveries of the na- 

 ture of radiation, electricity and the 

 constitution of matter. 



SCIENTIFIC ITEMS 

 We record with regret the deaths of 

 Dr. Henry Pickering Bowditch, pro- 

 fessor of physiology at the Harvard 



James Clerk-Maxwell. 



bridge from Owens College and was 

 second wrangler in the mathematical 

 tripos of 1SS0. Thereafter he began 

 in the Cavendish Laboratory his experi- 

 mental and mathematical researches, 

 publishing on the electric and magnetic 

 effects produced by the radiation of 

 electrified lodies in 1 SSI and on the 

 theory of electric discharge in gases in 



Lord Rayleigh. 

 From a painting by Sir George Reid. 



Sir J. J. Thomson 

 From a painting by Arthur Hacker. 



Medical School for thirty-five years; 

 of Dr. Samuel Franklin Emmons, of 

 the U. S. Geological Survey, eminent 

 for his contributions to the scientific 

 study of ore deposits, and of Mrs. Ellen 

 Henrietta Swallow Richards, instructor 

 in sanitary engineering jn the Massa- 

 chusetts Institute of Technology. 



Dr. Theobald Smith, professor of 

 comparative pathology in Harvard Uni- 

 versity, has been appointed visiting 

 professor at the University of Berlin, 



