December 22, 1916] 



SCIENCE 



873 



Philosophical Society, Philadelphia. See also 

 1903, 1906, 1908, 1909. 



1878, May 18: Elected Foreign Member of the 

 Hollandsche Maatschappy der Wetenschappen, 

 Harlem. The only other American Foreign 

 Member was J. D. Dana. (Number of Foreign 

 Members limited to 60.) See also 1880. 



Awarded the Huygen 's medal by the Society 

 which had "resolved to award biennially a 

 medal to the individual who, by his researches 

 and discoveries or inventions during the previous 

 twenty years had, in the judgment of the So- 

 ciety, distinguished himself in an exceptional 

 manner in a particular branch of science. ' ' 



1878, May 20: Elected Honorary Member of the 

 Cambridge [England] Philosophical Society. 



1878, Aug.: Appointed by the National Academy 

 of Sciences on a Committee to plan for survey- 

 ing and mapping the territories of the United 

 States. See also 1869. 



1879-80 : President of the Philosophical Society of 

 "Washington. See also 1871. 



1879-80 : Lecturer on Political Economy at Har- 

 vard University. (Four Lectures.) See also 

 1858. 



1880, May 26: Delegate of the Hollandsche 

 Maatschappy der Wetenschappen at the celebra- 

 tion of the 100th anniversary of the founding of 

 the American Academy of Arts and Sciences at 

 Boston. See also 1860, 1878. 



1881: Elected Honorary Foreign Fellow (limited 

 to 36) of the Royal Society of Edinburgh. 



1881 : Became an administrator of the Watson 

 Fund on behalf of the National Academy and 

 continued in active service in connection with it 

 (chairman of the Board of Trustees from 1887) 

 until his death. The fund was founded by the 

 will of Professor J. C. Watson and it provided 

 the means for support of research and investi- 

 gation and the award of the Watson Gold 

 Medal. See also 1869. 



1881: Elected Home Secretary of the National 

 Academy of Sciences; held the office till 1883. 

 See also 1869. 



1881 : Appointed by the National Academy of Sci- 

 ences chairman of a Committee on Questions of 

 meteorological science and its applications. Com- 

 mittee discharged in 1884. See also 1869. 



1881-82: Delivered twelve lectures' at the Lowell 

 Institute, Boston, on the "History of Astron- 

 omy. ' ' 



1881, March 9: Elected Foreign Member of the 

 Kungliga Fysiografiska Siillskapet (Eoyal Phys- 

 iographical Society), Lund, Sweden. 



1882: Sent by the U. S. government to Cape of 



Good Hope to observe the transit of Venus, Dec. 

 6. See also 1871. 



1882, Mar. 16: Elected Honorary Member in the 

 Section of Science of the Royal Irish Academy, 

 Dublin. Such members are limited to 30, of 

 whom one half at least must be foreigners. 



1883: Elected Vice-president of the National Acad- 

 emy of Sciences. He continued in this office till 

 1889. See also 1869. 



1883, June 7: Elected Corresponding Member of 

 the Konigliche Preussisehen Akademie der Wis- 

 senschaften, Berlin. See also 1899. 



1884 : LL.D. Harvard University, Cambridge, Mass. 

 In the diploma occur the words : ' ' Simon New- 

 comb virum summo ingenio prseditum Mathe- 

 maticum acutissimum rerumque coelestium peri- 

 tissimum. " See also 1858. 



1884: Appointed Member of the Board of Exam- 

 iners of the International Electrical Exhibition 

 of The Franklin Institute of the State of Penn- 

 sylvania. See below. 



1884: Appointed Professor of Astronomy in the 

 Corcoran Scientific School of Columbian (since 

 1904 George Washington) University. Re- 

 signed 1886. See also 1873. 



1884, July 22: Appointed by President Arthur, 

 Commissioner of the National Conference of 

 Electricians at The Franklin Institute, Phila- 

 delphia. See above. 



1884, Aug.: Elected Corresponding Member of the 

 British Association for Advancement of Science. 

 See also 1904. 



1884, Oct. : Appointed Professor of Mathematics 

 and Astronomy at Johns Hopkins University, 

 and lectured there till Jan. 1, 1894. He was re- 

 appointed in 1898 and retained the position till 

 1900. See also below, 1897, 1899, 1900, 1901, 

 1902. 



1884-94, 1899 and 1900: Editor-in-Chief of the 

 American Journal of Mathematics, Johns Hop- 

 kins University. Associate Editor; 1878, 1879, 

 1895-98, 1901-1909. See also 1884. 



1885: Elected the first President of the American 

 Society for Psychical Research. Reelected Presi- 

 dent of the Society in 1886. 



1885, June 18: Asked if he would accept the 

 Presidency of the University of California. 



1886: Ph.D., University of Heidelberg, Germany, 

 on the celebration of the 500th anniversary of its 

 founding. Degree conferred in absentia. 



1886, Jan. 15: Elected Honorary Member (at the 

 same time as Chrystal and Sylvester) of the 

 Association for the Improvement of Geometrical 

 Teaching, afterwards the Mathematical Asso- 

 ciation, London. 



