UNIVERSITY OF LONDON 



UNIVERSITY COLLEGE 



Biometric Laboratory 



DRAPERS' COMPANY RESEARCH MEMOIRS 



Biometric Series, 

 I. Mathematical Contributions to the Theory of Evolution! — XIII. 

 On the Theory of Contingency and its Relation to Associa- 

 tion and Normal Correlation. By Karl Pearson, F.R.S. 

 Issued. Price 4^. 

 II. Mathematical Contributions to the Theory of Evolution. — XIV. 

 On the Theory of Skew Correlation and Non-Linear Re- 

 gression. By Karl Pearson, F.R.S. Issued. Price 51. 



III. 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 5^. 



IV. Mathematical Contributions to the Theory of Evolution.— =XVI. 



On Further Methods of Measuring Correlation. By Karl 

 . Pearson, F.R.S. Issued. Price 4^. 



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. Nettleship, and 

 C. H. Usher. \_At press. 



Studies in National Deterioration. 

 I. 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 3J. 

 II. A First Study of the Statistics of Pulmonary Tuberculosis, 

 Inheritance. By Karl Pearson, F.R.S. Issued. Price 3^. 



III. A Second Study of the Statistics of Pulmonary Tuberculosis. 



Marital Infection. By Ernest G. Pope, revised by Karl 

 Pearson, F.R.S. With an Appendix on Assortative Mating 

 by Ethel M. Elderton. Issued. Price 3J. 



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



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



V, On the Inheritance of the Diatheses of Phthisis and Insanity. 

 A Statistical Study based upon the Family History of 1,500 

 Criminals. By Charles Goring, M.D., B.Sc. Issued. 

 Price 3X. 

 VI. A Third Study of the Statistics of Pulmonary Tuberculosis. The 

 Mortality of the Tuberculous and Sanatorium Treatment. 

 By W. Palin Elderton, F.I.A., and S. J. Perry, A.I.A. 

 Issued. Price 3^". net. 

 The above may be obtained from Dulau 6f Co,, 37 Soho Square, London, W. 



