CONTENTS 



{AU Rights reseiTed) 



I'AOE 



I. Notes on the Theory of Aßsociatiou ol' Attributes in Statistics. By 



G. Udny Yüle 121 



II. A Fuither Study of Statistics lelating to Vaccination and Smallpox. 



By W. R. Macdonell 135 



III. Cooperative Investigations on Plauts: II. Variation and Correlation in 



Lesser Celandine from divers localities. (With One Figure.) . 145 



IV. Second Report on the Result of Crossing Japanese Waltzing Mice 



with European Albino Races. (With G Figures.) By A. D. Darbi- 



SHIRE 165 



V. New Tables of the Probability Integral. By W. F. Sheppard . 174 

 VI. Variation in Eupagiirus Prideauxi (Heller). (With 6 Figures.) 



By E. H. J. Schuster 191 



VII. The Law of Ancestral Heredity. (With One Figure.) By Karl 



Pearson 211 



Appendi.x II. On luheritaucc (Grandparent and Offspring) in 



Thoroughbrcd Racehorses. By Norman Blancuard . . 229 

 Appendix III. On Inheritance (Great-Grandparents and Great- 

 great-grandparents and Offspriug) in Thoroughbrcd Racehorses. 

 By Alice Lee 234 



Miscellanea. Note on the Influence of Change in Sex on the Intensity of 



Heredity. By Frank E. Lutz 237 



Biometrika will appear about four times a year. A volume containing 

 about 400 pages, with plates and tables, will be issued annually. 



Papers for publicatiou should be sent to Professor W. F. R. Weldon, 

 Merton Lea, Oxford, to Professor Karl Pearson, 7, Well Road, Hampstead, 

 London, er to Professor C. B. Davenport, University of Chicago, Illinois, U.S. 

 It is very desirable that a copy of all measurements made, not necessarily 

 for publicatiou, should accompany cach paper. In all cases the papers themselves 

 should contain not only the calculated coustants, but the distributiona from 

 which they bave been deduced. 



Papers will be accepted in Gorman, French or Italian. In the first 

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Contributors receive 25 copies of their papers free. Fifty additional copies 

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All Communications, other than those jelating to contributions, should 

 be addressed to the University Press, Cambridge. 



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