172 



SCIENCE 



[N. S. Vol. LII. No. 1338 



Dr. Waldemae T. Schaller has severed 

 his connection with the Great Southern Stil- 

 phur Co., Inc., of ISTew Orleans, La., and has 

 returned to the United States Geological 

 Survey, Washington, D. 0. 



PRorEssoR Charles J. Chamberlain, of the 

 University of Chicago, has been invited to 

 ■deliver a lecture on Cycads before the Botan- 

 ical Section of the British Association for the 

 Advancement of Science. He goes as the 

 guest of the association, which meets at 

 Cardiff, Wales, on August 24. 



Professors L. E. Dickson, of the Univer- 

 sity of Chicago, and L. P. Eisenhart, of 

 Princeton University, have been elected dele- 

 gates of the American section of the Inter- 

 national mathematical union to attend the 

 meeting of the union at the University of 

 Strasbourg beginning September 18, 1920. 



Dr. p. Burt Wolbach, of Harvard Medical 

 School, who has been abroad for six months 

 in an effort to establish definitely the organ- 

 ism causing typhus, has returned to the 

 United States. 



Dr. Aeturo Garcia y Casariego, assistant 

 professor of pathologic anatomy and histology 

 of the School of Medicine of the University of 

 Havana, has been designated by the govern- 

 ment to make a trip abroad to study matters 

 relating to the teaching of these subjects. 

 Dr. Gillermo Diaz y Macias, professor of 

 practical pharmacy, has been commissioned to 

 study the organization of pharmacologic lab- 

 oratories abroad. 



The Harveian Oration of the Royal College 

 of Physicians, London, wiU be delivered by 

 Sir Frederick Andrews on October 18; the 

 Horace Dobell lecture by Sir William Leish- 

 man on November 2 ; the Bradshaw lecture by 

 D. E. C. B. Wall on November 4; and the 

 PitzPatrick lectures on the History of Medi- 

 cine by Dr. E. G. Browne, of Pembroke Col- 

 lege, Cambridge, November 9 and 11. 



It is stated in Nature that the Eayleigh 

 Memorial Committee has decided that the 

 memorial to the late Lord Eayleigh in West- 

 minster Abbey shall take the form of a mural 

 tablet to be erected near the memorials to 



Sir Humphry Davy and Dr. Thomas Young. 

 The execution of the tablet will be entrusted 

 to Mr. Derwent Wood. It is expected that 

 after all expenses are met there will be a bal- 

 ance remaining, and this the committee pro- 

 poses shall be used to establish a library fund 

 at the Cavendish Laboratory, Cambridge, with 

 which Lord Eayleigh was closely associated. 



Dr. Walter Paxon, in charge of moUusca 

 and Crustacea in the Museum of Comparative 

 Zoology of Harvard University, from 1886 

 until about five years ago, and previously 

 assistant professor of zoology at the univer- 

 sity, died on August 10. Dr. Faxon gradu- 

 ated from Harvard College in the class of 

 seventy-one. 



The death is announced of Professor Felix 

 Guyon, a former president of the Paris Acad- 

 emy of Medicine, head of the Hopital Necker 

 and known for his work on the diseases of the 

 urino-genital organs. 



The Bulletin of the American Mathematical 

 Society announces the following deaths 

 among mathematicians : ProfessoT P. van Geer, 

 on October 3, 1919, at the age of seventy- 

 eight years; Professor M. Haid, of the 

 Karlsruhe technical school, on November 15, 

 1919; Professor A. Boersch, at Homburg'; Pro- 

 fessor E. Heger, at Dresden, at the age of 

 seventy- three years; Professor Paul Stackel, of 

 the University of Heidelberg, on December 

 13, at the age of fifty-seven years; Professor 

 E. Malstroem, of the department of mechanics 

 at the technical school at Helsingfors. 



The United States Civil Service Com- 

 mission announces for September 21, 1920, 

 an open competitive examination for Nat- 

 uralist on the Steamer Albatross in the Bu- 

 reau of Fisheries at $2,200 a year with a 

 possible bonus of $20.00 a month. Competi- 

 tors are not required to report for examina- 

 tion at any place but will be rated on educa- 

 tion, experience and thesis or publication. 

 Further information may be obtained by ap- 

 plication to the Civil Service Commission, 

 Washington, D. C. 



A first-hand study of Alaskan reindeer and 

 land fur-bearing animals is now being made 



