352 



ANNOTATED LIST OF PERSONS 



Studied the cyanides and benzol compounds, isolated aluminium, 

 beryllium and yttrium. Made many contributions to science. 

 Taught many students. For portraits see Pop. Sci. Monthly, 

 Aug., 1880, and Werckmeister, 1899, vol. 3, pi. 287. 



Yersin, Alexandra (1863 ). French physician and pathologist. 



Collaborator of Roux in the Pasteur Institute. Studied in the 

 French colonies where he discovered the plague bacillus in- 

 dependently of Kitasato. 



Youri6vitch, Serge ( ). Attach^ of the Russian legation in 



Paris. Eulogist of Duclaux ("Bull, de 1'Inst. ge'ne'ral psycho- 

 logique," 4 ann^e, No. 4, 1904. 



