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POPULAR SCIENCE MONTHLY 



memorate the hundredth anniversary 

 of the birth of Darwin and the fiftieth 

 anniversary of the publication of the 

 " Origin of Species." 



The University of Chicago offered 

 admirable facilities for the meetings 

 and provided in every way for the en- 

 tertainment of members, while the 

 other institutions of the city showed 

 all possible courtesies. The social 

 events closed fittingly with a dinner to 

 commemorate the conferring of the 

 Nobel Prize and the Copley Medal on 

 Professor A. A. Michelson. The Uni- 

 versity of Chicago was also able to 

 supply a distinguished president for 

 the next meeting. Professor T. C. 

 Chamberlin, one of the world's greatest 

 geologists, will maintain the high tra- 

 ditions of the office, so well represented 

 at the Chicago meeting by Professor E. 

 L. Nichols, of Cornell University. 

 There will be a summer meeting of the 

 association at Hanover, N. H., on the 

 invitation of Dartmouth College, begin- 

 ning on June 28, and the next convoca- 

 tion week meeting will be held at Bal- 

 timore during New Year's week on the 

 invitation of the Johns Hopkins Uni- 

 versity. 



SCIENTIFIC ITEMS 

 We regret to record the death of 

 Charles Augustus Young, the eminent 

 astronomer. A sketch with a portrait 

 will be found in The Popular Science 

 Monthly for July, 1905. — We further 

 much regret to record the deaths of 

 two other distinguished American men 

 of science: Dr. Nicholas Senn, the sur- 

 geon, and Dr. Coleman Sellers, the 

 engineer. — Among foreign men of sci- 



ence the deaths have occurred of M. 

 Janssen, director of the Meuden Astro- 

 physical Observatory, and of Dr. Al- 

 phonso Sella, professor of experimental 

 physics at Rome. 



The Hayden memorial medal of the 

 Academy of Natural Sciences of 

 Philadelphia has been conferred on 

 Dr. Charles D. Walcott, secretary of 

 the Smithsonian Institution. — Professor 

 Simon Newcomb has been elected a 

 foreign member of the Gottingen Acad- 

 emy of Sciences and Mr. G. K. Gilbert 

 a corresponding member of the Munich 

 Academy of Sciences. — Dr. W. W. 

 Keen, professor of surgery at Jefferson 

 College, has been elected president of 

 the American Philosophical Society, 

 Philadelphia, to succeed Professor Ed- 

 gar F. Smith, vice-provost of the Uni- 

 versity of Pennsylvania and professor 

 of chemistry, who declined reelection. 

 — The American Philosophical Society 

 will hold a general meeting on April 

 23, 24 and 25. 



Mr. John D. Rockefeller has added 

 $2,191,000 to his previous gifts to the 

 University of Chicago, making the total 

 amount of these nearly $24,000,000. 

 Of Mr. Rockefeller's recent gift, the 

 sum of two million dollars is for per- 

 manent endowment; the sum of $155,- 

 000 is to meet the deficit for 1907, and 

 the sum of $36,000 is for miscellaneous 

 purposes. 



By the will of the late William 

 George Pearce, Trinity College, Cam- 

 bridge University, receives about two 

 million dollars. This is one of the 

 largest gifts or bequests ever received 

 bv an English university. 



