iv 
Contents 
XIII. On the Application of "Goodness of Fit" Tables to test Regression 
Curves and Theoretical Curves used to describe Observational 
or Experimental Data. By Karl Pearson 
XIV. On the "Best" Values of the Constants in Frequency Distributions 
By KiRSTiNE Smith 
XV. W. R. Macdonell. Born October 16, 1852. Died May 15, 1916 
Obituary Notice ........ 
XVI. Further Supplementary Tables for Determining High Correlations 
from Tetrachoric Groupings. By Alice Lee 
XVII. On the Probable Error of Biserial -q. By Karl Pearson . 
XVIII. A Preliminary Report on some Breeding Experiments with Fox 
gloves. By Ernest Warren 
XIX. On the Distribution of the Correlation Coefficient in Small Samples 
Appendix II to the Papers of "Student" and R. A. Fisher. A 
Cooperative Study. By H. E. Soper, A. W. Young, B. M. Cave, 
A. Lee and Karl Pearson 
PAGE 
239 
262 
281 
284 
292 
303 
328 
Miscellanea. 
(i) Note on the Probable Error of the Coefficient of Correlation in the 
Variate Difference Correlation Method. By A. Ritchie-Scott . . 136 
(ii) On Certain Types of Compound Frequency Distributions in which the 
Components can be individually described by Binomial Series. By 
Karl Pearson 139 
(iii) Note on the Standard Deviations of Samples of Two or Three. By 
Andrew W. Young 277 
(iv) Tables for estimating the Probability that the Mean of a unique Sample 
of Observations lies between - go and any given Distance of the 
Mean of the Population from which the Sample is drawn. By 
"Student" 414 
(v) On the Representation of Statistical Data. By L. Isserlis . . .418 
(vi) Relation of the Mode, Median and Mean in Frequency Curves. By 
Arthur T. Doodson 425 
(vii) The Probable Error of a Mendelian Class Frequency. By Karl 
Pearson 429 
Appendixes to Volume XI. 
I. W. F. R. Weldon's Mice Breeding Experiments, Records of Matings. 
Prepared for Press by F. J. W. and K. P. Separately paged 1 to 60 
II. Moriori Crania. Six Type Contours on tissue in pocket. 
