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SCIENCE 



[Vol. LVI, No. 1451 



versity College, AberystAvyth, with a view to 

 research in chemistry. 



Dr. J. A. Detlefsen, who has leave of ab- 

 sence from the Unversity of Illinois, will spend 

 the coming year at the Wistar Institute of 

 Anatomy and Biology, Philadelphia. 



Dr. Joseph Swain, former president of 

 Swarthmore College and of Indiana Univer- 

 sity, previously professor of mathematics and a 

 contributor to biological science, and Mrs. 

 Swain, are spending a year in Japan and 

 China. 



De. Edmund Otis Hovey spent six weeks 

 during the past summer in making a western 

 tour partly in behalf of the American Museum 

 of Natural History. His special object was to 

 secure photographic and other data in the 

 Pike's Peak region, the region of San Francisco 

 Bay, and at Crater Lake, for use in the con- 

 struction of relief models at the museum. 



Dr. R. C. Farmer has accepted the position 

 of deputy director of explosives research at the 

 British War Office Research Department. 



We learn from Nature that a committee has 

 been appointed by the British secretary for 

 mines to undertake research, under the general 

 direction of the safety in mines research board, 

 into the causes of, and the means of preventing, 

 the ignition of firedamp and coal dust by the 

 firing of explosives. The committee has been 

 constituted as follows: Sir F. L. Nathan, Mr. 

 W. Rintoul, Dr. G. Rotter, Mr. H. Walker, and 

 Professor R. V. Wheeler. A grant has been 

 made by the miners' welfare committee out of 

 the miners' welfare fund to meet the cost of 

 initiating the reseajch. 



The Harvard College Observatory is being 

 opened from 7:30 P.M. to 9 P.M. on the fol- 

 lowing dates: October 13, October 28, Novem- 

 ber 13, November 28, December 12. A short 

 illustrated talk will be preceded, when the 

 weather permits, by telescopic observations of 

 celestial objects. Exhibits showing the work 

 of the observatory will be explained by mem- 

 bers of the staff. A limited number of tickets 

 of admission for any one of the open nights is 

 supplied on application but must be obtained 

 in advance. There is no charge for admission. 



The titles include : "Astronomical tests of the 

 relativity theory," "The Harvard Observatory 

 Station in Peru," "The large observatories of 

 the west," "Scientific work for the amateur 

 astronomer." 



Dr. Walter B. Cannon, professor of physi- 

 ology in the Harvard Medical School, gave an 

 address before .the Riohmond Academy of Med- 

 icine and Surgery, September 26. 



Dr. Rudolph Matas, head of the department 

 of surgery at Tulane University, New Orleans, 

 recently sailed for France where he attended 

 the annual congress of French surgeons on 

 October 2 and addressed the congress on "The 

 surgery of blood vessels." 



The New York Academy of Medicine has 

 organized a celebration of the one hundredth 

 anniversary of the birth of Louis Pasteur, 

 which is to consist of a public exhibition, in 

 the building of the academy, commencing on 

 December 27, the anniversary date, and cul- 

 minating at the end of a fortnight in an even- 

 ing of public addresses by distinguished mem- 

 bers of the medical profession. The exhibition 

 will consist of a collection of Pasteur memora- 

 bilia, such as books, manuscripts, photographs, 

 engravings, medals, etc., illustrating the life 

 work of Pasteur. 



F. T. Trouton, F.R.S., emeritus professor 

 of physics in the University of London, died on 

 September 21, at the age of fifty-eight years. 



The death is announced of Mr. Louis Heath- 

 cote Walter, who had been editor of Science 

 Abstracts since 1903. 



Dr. J. K. A. Weetheim Salomonson, pro- 

 fessor of neurology and radiology at Amster- 

 dam University, died on September 16 at the 

 age of fifty-eight years. 



The spring meeting of the American Chem- 

 ical Society will be held at New Haven, Conn., 

 from April 3 to 7, 1923, inclusive. 



The General Hospital Society of Conneeti- 

 eut is residuary legatee of the estate, believed 

 to be considerably in excess of $1,000,000, of 

 Mrs. Sarah L. Winchester, after certain be- 

 quests and life estates are taken from it. Mr. 

 Winchester established a tuberculosis annex to 

 a hospital at New Haven, where the Winchester 



