UNIVERSITY OF LONDON 



UNIVERSITY COLLEGE 



Biometric Laboratory 



DRAPERS' COMPANY RESEARCH MEMOIRS 



Biometric^ Series. 

 I. Mathematical Contributions to the Theory of Evolution. 

 — Xin. On the Theory of Contingency and its 

 Relation to Association and Normal Correction. 

 By Karl Pearson, F.R.S. Issued. Price 4j. 



II. Mathematical Contributions to the Theory of Evolution. 

 — XIV. On the Theory of Skew Correlation and 

 Non-linear Regression. By Karl PEARSON, P'.R.S. 

 Issued. Price 5^". 

 in. Mathematical Contributions to the Theory of Evolution. 

 — XV. On the Mathematical Theory of Random 

 Migration. By Karl Pearson, F.R.S., with the 

 assistance of John Blakeman, M.Sc. Issued. Price ^s. 



IV. Mathematical Contributions to the Theory of Evolution. 

 — -XVI. ;'On Further Methods of Measuring Corre- 

 lation. By Karl Pearson, F.R.S. Issued. Price d^. 

 V. Mathematical Contributions to the Theory of Evolution. 

 — XVII. On Homotyposis in the Animal Kingdom. 

 By Ernest Warren, D.Sc, Alice Lee, D.Sc, 

 Edna Lea-Smith, Marion Radford, and Karl 

 Pearson, F.R.S. {Shortly. 



VI. Albinism in Man. By Karl Pearson, E. Nettle- 

 SHIP, and C. H. UsHER. \_At Press. 



Studies in National Deterioration, 



\, On the Relation of Fertility in Man to Social Status, 

 and on the changes in this Relation that have taken 

 place in the last 50 years. By David Heron, M.A. 

 Issued, Price 3.^. 

 II. A P'irst Study of the Statistics of Pulmonary Tuber- 

 culosis (Inheritance). By Karl Pearson, F.R.S. 

 Issued. Price 3^". 



III. A Second Study of the Statistics of Pulmonary Tuber- 



culosis, Marital Infection. By Ernest G. Pope, 

 revised by Karl Pearson, F.R.S. With an Appen- 

 dix on Assortative Mating by Ethel M. Elderton. 

 Issued. Price 3^-. 



IV. The Health of the School-Child in relation to its Mental 



Characters. By Karl Pearson, F.R.S. {Shortly. 



The above may be obtained from Dulau and Co., 

 37, Soho Square^ London^ W. 



