Contents iii 
PAGE 
XIV. Editorial. On the Sources of apparent Polymorphism in Plants 304 
(A) Variation in the number of Sepals in Anemone neinorosa L. 
By G. Udny Yule 307 
(B) Variation in the Ray-flowers of G/irysanthemum leucanthe- 
mum L. at Yellow Springs, Ohio. By Prof. W. L. Tower 309 
(C) Dr Ludwig on Variation and Correlation in Plants. By 
Alice Lee, D.Sc. 316 
(D) Note on Variation of Ray-flowers of Chrysanthemum leu- 
canthemum L. at Keswick. By K. Pearson and G. U. 
Yule 319 
XV. On the Fundamental Conceptions of Biology. By Karl Pearson, 
F.R.S 320 
XVI. Data for the Problem of Evolution in Man. A Second Study of 
the Variability and Correlation of the Hand. By Marie A. 
Lewenz, B.A., and M. A. Whiteley, B.Sc 343 
XVII. On the Inheritance in Coat- Colour of Thoi'oughbred Horses (Grand- 
sire and Grandchildren). By N. Blanchard, B.A. . . . 361 
XVIII. Professor de Vries on the Origin of Species. By W. F. R. Wel- 
DON, F.R.S 365 
XIX. On the Influence of Previous Vaccination in cases of Smallpox. 
By W. R. Macdonell, LL.D 375 
XX. The most suitable Proportion between the Values of First and 
Second Prizes. By Francis Galton, F.R.S 385 
XXI. Note on Francis Galton's Problem. By Karl Pearson, F.R.S. . 390 
XXII. The Relation of Binary Fission to Variation. By J. Y. Simpson, 
D.Sc 400 
XXIII. Note on Dr Simpson's measurements of Paramancium caudatum. 
By Karl Pearson, F.R.S 404 
XXIV. A Second Study of the Variation and Correlation of the Human 
Skull, with special reference to the Naqada Crania. By Cicely 
D. Fawcett, B.Sc, assisted by Alice Lee, D.Sc, and others . 408 
XXV. Biometrische Untersuchungen liber die Spielarten von Helix ne- 
moralis. Von C. Hensgen 468 
