42 STATISTICAL METHODS. 



Indices are used in the measurement of Organs. Proc. 

 Roy. Soc. London, LX, 489-498. 



PEARSON, K. '98. Mathematical Contributions, etc. On the 

 Law of Ancestral Heredity. Proc. Roy. Soc. London, 

 LXII, 386-412. 



PEARSON, K., and L. K G. FILON, '98. Mathematical Con- 

 tributions, etc., IV. On the Probable Errors of Frequency 

 Constants and on the Influence of Random Selection on 

 Variation and Correlation. Phil. Trans. Roy. Soc. 

 London, CXCI, A, 229-311. 



THOMPSON, H., '94. On Correlations of Certain External 

 Parts of Palaemon serratus. Proc. Roy. Soc. London, 

 LV, 234-240. 



VERSCHAFFELT, E., '95. Ueber Asymmetrische Variations- 

 kurven. Ber. deutsch. Bot. Ges., XIII, 348-356. 1 Taf. 



DE VRIES, H., '94. Ueber halbe Galton-Kurven als Zeichnen 

 diskontinuirlichen Variation. Ber. deutsch. Bot. Ges., 

 XII, 197-207. Taf. X. 



DE VRIES, H., '95. Eine zweigipfelige Variations-Kurve. 

 Arch. f. Entwickelungsmechanik, II. 52-65. 1 Taf . 



WARREN, E., '96. Variation in Portunus depurator. Proc. 

 Roy. Soc. London, LX, 221-243. 



WARREN, E., '97. An Investigation on the Variability of the 

 Human Skeleton with Especial Reference to the Naquada 

 Race. Phil. Trans. Roy. Soc. London, CLXXXIX, B, 

 135-227. PI. 22. 



WELDON, W. F. R., '90. The Variations occurring in Certain 

 Decapod Crustacea, I : Crangon milgaris. Proc. Roy. 

 Soc. London, XLVII, 445-453. 



WELDON, W. F. R., '92. Certain Correlated Variations in 

 Crangon vulgaris. Proc. Roy. Soc. London, LI, 2-21. 



WELDON, W. F. R., '93. On Certain Correlated Variations in 

 Carcinus maenas. Proc. Roy. Soc. London, LIV, 318- 

 329. 



WELDON, W. F. R., '95. Report of the Committee for Con- 

 ducting Statistical Inquiries into the measurable Char- 

 acteristics of Plants and Animals. Part I : An Attempt 

 to Measure the Death-rate due to Selective Destruction of 

 Car emus maenas with respect to a Particular Dimension. 

 Proc. Roy. Soc. London, LVII, 360-379. 



