Vol. X. Parts II and III. 
November, 1914 
BIOMETRIKA 
A JOURNAL FOR THE STATISTICAL STUDY OF 
BIOLOGICAL PROBLEMS 
FOUNDED BY 
W. F. R. WELDON, FRANCIS GALTON and KARL PEARSON 
EDITED BY 
KARL PEARSON 
CAMBRIDGE UNIVERSITY PRESS 
C. F. CLAY, Manageb 
LONDON: FETTER LANE,. E.G. 
EDINBURGH : 100, PBINCEg STREET 
also 
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CHICAGO: UNIVERSITY OF CHICAGO PRESS 
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TORONTO : J. M. DENT AND SONS, LIMITED 
TOKYO : THE MABUZEN-KABUSHIKI-KAISHA 
Price Twenty Shillings net. 
[hiued December 3, 1914] 
