BIOMETBIKA 
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A | JOURNAL FOR THE STATISTICAL STUDY OF 
BIOLOGICAL PROBLEMS 
FOUNDED BY 
F. R. WELDON, FRANCIS GALTON and KARL PEARSON 
EDITED BY 
KARL PEARSON 
VOLUME VIII 
July 1911 to January 1912 
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CAMBRIDGE 
AT THE UNIVERSITY PRESS 
LONDON: FETTER LANE, E.C. 
(C. F. CLAY, Manager) 
and H. K. LEWIS, GOWER STREET 
EDINBURGH : 100, PRINCES STREET 
new york : g. p. pdtnam's sons 
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