656 



SCIENCE 



[Vol. LVI, No. 1458 



sin, Professor Louis Kahlenberg, of the depart- 

 ment of eheniistry, delivered tlie address on 

 the subject, "The separation of crystalloids 

 from one another by dialysis." 



Professor Cassius J. Keysee delivered an 

 address on the "Mathematical obligations of 

 philosophy and education" at the weekly con- 

 vocation of Connecticut College on November 

 14. On December 2 he gave an address on 

 "Mathematics and man" at the meeting of the 

 AsBociation of Teachers of Mathematics of the 

 Middle States and Maryland held at Wilming- 

 ton, Del. 



A STATUE of Claude Louis Berthollet, the 

 French chemist, has been erected at his birth- 

 place, Anneey, on the occasion of the cen- 

 tenary of his death on Novemiber 6, 1822. 



De. Albeet Henry Buce, from 1887 to 1904 

 professor of otology ia Columlbia University, 

 a leading aurist in New York City, died on 

 November 16, in his eighty-fii'st year. 



Dr. Oscae Heetvtig, director of the Institute 

 of Histology at the University of Berlin, died 

 on October 27, aged seventy-three years. 



The death is announced of Dr. Lassar-Cohn, 

 since 1894 professor of 'chemistry at Koniga- 

 berg. 



• Me. James A. Teit, well known for his re- 

 searches on the ethnology of British Columbia, 

 died on October 30 ait Merrit, British Colum- 

 bia. Mr. Teit carried on researches in connec- 

 tion with -the work of the Jesup North Pacific 

 Expedition of the American Museum of Nat- 

 ural Histoi-y. He contributed to the work of 

 the Bureau of American Ethnology and to the 

 AntliroiJological Department of the Geological 

 Survey of Canada. During the last years of 

 his 'life, Mr. Teit succeeded in organizing the 

 Indians of British Columbia for the purpose of 

 acting collectively in necessary negotiations 

 with the Canadian governmenit relating to 

 questions of land holding, fishing rights and 

 other matters concerning the life of the natives. 



Professor A. V. Vassiliev, of the Univer- 

 sity of Petrograd, sends us the following note : 

 "Professor A. A. Markov (1856-1922), emer- 

 itus professor of the University of Petrograd, 

 member of the Russian Academy of Science, 



'died at Petrograd ion July 27. A mathematician 

 of world-wide reputation. Professor Markov 

 was a graduate of the University of Petrograd, 

 pupil and follower of Chebyshev, Korkin and 

 2k)lotarev. The main fields of his investigations 

 were the theory of indefinite binary and ternary 

 quadratic forms and the theory of linear dif- 

 ferential ecpiation (hypergeometrieal equa- 

 tion)." His brilliant achievements brought him 

 at ithe age of thirty the honor of being elected, 

 member of the Russian Academy 'of Science. 

 His works on the calculus of finite differences 

 and on the theory of probabilities were trans- 

 lated into German and published in 1896 and 

 1912, respectively." 



Professor Vassiliev also writes : "Professor 

 L. A. Chugaev (1873-1922) died of typhoid 

 fever at the city of Griazovtzy in the province 

 of Vologda on September 23. One of the most 

 eminent of Russian chemists, Professor 

 Chugaev was a professor in the University of 

 Petrograd, and director of the Institute for the 

 Investigation of Platinum. His various arti- 

 cles on camphor, platinum, cobalt and nickel 

 were published both in Russia {The Journal of 

 the Physico-Chemical Society of Russia) and 

 in western Eui'ope (Journal of the Chemical 

 Society, Zeitschrift fiir anorganische Chemie, 

 etc.)." 



The fourteenth annual meeting of the Pale- 

 ontological Society will 'be held Thursday to 

 Saturday, December 28 to 30, in the Natural 

 Science Building, University of Michigan. The 

 address of Charles Schuchei-t, retiring presi- 

 dent of the G-eologicaJ Society of America, will 

 be delivered ia the closing hour of the morning 

 session of that society, Thursday, December 28. 

 The address of W. D. Matthew, retiring presi- 

 dent of the Paileontological Society, on the sub- 

 ject "Recent progress and trends in vertebrate 

 paleontology" will be given at 2 P.M., Friday, 

 December 29. The members are invited to the 

 annual smoker at 9 P.M. Thursday and the 

 annual dinner at 7 P.M. Friday with the 

 Geological Society of America. 



The Eleventh International Physiological 

 Congress will be held in Edi'nlburgh, from July 

 23 to July 27, 1923, under the presidency of 



