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EUGENICS LABORATORY LECTURE SERIES. 



I. The Scope and Importance to the State of the Science of 

 National Eugenics, By Karl Pearson, F.R.S. Issued. 

 Price \s, net. 



II. The Groundwork . of Eugenics. By Karl Pearson, F.R.S. 

 Issued. Price \s. net. 



III. The Relative Strength of Nurture and Nature. By Ethel M. 



Elderton. Issued, Price is. mt. 



IV. On the Marriage of First Cous^s. By Ethel M. Elderton. 



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V. The Problem of Practical Eugenics. By Karl Pearson, F.R.S. 

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VI. Nature and Nurture, the Problem of the Future. By Karl 

 Pearson, F.R.S. Issued. Price \s. net. 



VII. The Academic Aspect of the Science of National Eugenics. 

 By Karl Pearson, F.R.S. Issued. Price \s. net. 



QUESTIONS OF THE DAY AND OF THE FRAY. 



I. The Influence of Parental Alcoholism on the Physique and 

 Ability of the Offspring. A Reply to the Cambridge 

 Economists. By Karl Pearson, F.R.S. Issued. Price 

 IS. net. 



II. Mental Defect, Mal-Nutrition, and the Teacher's Appreciation 

 of Intelligence. A Reply to Criticisms of the Memoir on 

 'The Influence of Defective Physique and Unfavourable 

 Home Environment on the Intelligence of School Children '. 

 By David Heron, D.Sc. Issued. Price is. net. 



Issued by the Cambridge University Press : — 



Biometrika. A Journal for the Statistical Study of Biological Problems. 

 Founded by W. F. R. Weldon, Francis Galton, and Karl 

 Pearson. Volumes I, II, III, IV, V, VI, and VII complete. 

 Volume VIII, Part I, at press. Subscription price, 30J. net 

 per volume. 



