PHILOSOPHICAL TRANSACTIONS 
OF THE 
ROYAL SOCIETY OP LONDON. 
Series A, Yol. 216. Pp. 429-457. 
[Plate 1 .] 
MATHEMATICAL CONTRIBUTIONS TO THE THEORY 01 
EVOLUTION. 
XIX. SECOND SUPPLEMENT TO A MEMOIR ON SKEW VARIATION. 
BY 
KARL PEARSON, F.R.S. 
LONDON: 
PUBLISHED BY THE ROYAL SOCIETY, 
AND SOLD BY HABPJSON AND SONS, ST. MARTIN’S LANE, W.C., 
printers tn ©rtrinarg ta W& 
1916. 
A 546. 
6 . 6.16 
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