BIOMETEIKA 
A JOUHNAL FOR THE STATISTICAL STUDY OF 
BIOLOGICAL PROBLEMS 
FOUNDED BY 
W. F. R. WELDON, FRANCIS GALTON and KARL PEARSON 
EDITED 
IN CONSULTATION WITH FRANCIS GALTON 
AND IN COLLABORATION WITH 
C. B. DAVENPORT W. R. MACDONELL 
W. PALIN ELDERTON RAYMOND PEARL 
BY 
KARL PEARSON 
VOLUME VI 
March 1!H)8 to March 1909 
general index, vols. i to v 
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CAMBRIDGE 
AT THE UNIVERSITY PRESS 
LONDON: FETTER LANE, E.G. 
(C. F. CLAY, Manager) 
AND H. K. LEWIS, GOWER STREET 
EDINBUnOH : 100, PRINCES STREET 
NEW YORK : G. P. PUTNAM's SONS 
BERLIN : A. ASHER AND CO. 
LEIPSIC : BROCKHAUS 
BOMBAY AND CALCUTTA: MACMILLAN AND CO., LIMITED 
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