AT THE CAMBRIDGE UNIVERSITY PRESS 



Just ready : 



THE LIFE, LETTERS, AND LABOURS OF FRANCIS 

 GALTON. Vol. I (1822—1854). By Karl Pearson. 



This volume contains more than sixty plates of illustration and five pedigree plates of Galton 

 and Darwin ancestry. It deals with the life of Sir Francis Galton from birth to marriage. 



BIOMETRIKA. A Journal for the Statistical Study of Biological 

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



Biometrika appears about four times .a year. A volume containing about 500 pages, with 

 plates and tables, is issued annually. The subscription price, payable in advance, is 30s. net ($7.50) 

 per volume (post free) ; single parts 10s. net ($2.50) each. The current volume is Volume X. 



Volumes I — IX (1902 — 1913) complete, 30s. net per volume; bound in buckram, 34s. %d. 

 net per volume. Till further notice new subscribers to Biometrika may obtain Vols. I — IX 

 together for .£10 net, or in buckram for ,£12 net. 



II. 



III. 



IV. 



II. 



III. 



IV. 



Biom 



DUL 



DRAP 



Mathematical 



Theory of Evolut 

 of Contingency J 

 tion and Norn 

 Pearson, F.R.L 



Mathematical 

 Theory of Kvohi 

 of Skew Cfcrrela 

 sion. By Kari 

 Price 5s. net. 



Mathematical 

 Theory of Evoli 

 matical Theory 

 Kaul Pearson" 

 of John Blake 

 6ft net. 



Mathematical 

 Theory of Evol 

 Methods 

 Karl Pearson, 



Mathematical 

 Theory of Evoli 



rations 



Education /2/i^f^icnf~ 



r 



ON, W. 



SMOIRS 



nimal Kingdom. By Ernest 

 :., Alice Lee, D.Sc, Edna 

 arion Radford, and Karl 

 S. ' [Shorth). 



dan. By Karl Pearson, 

 >, and C. H. Usher. Text, 

 Part I. Issued. Price 



I Contributions to the 



ution.— XVIII. On a Novel 

 garding the Association of 

 lassod solely in Alternative 

 Sy Kaul Pearson, F.R.S. 

 4s. net. 



dan. By Karl Pearson, 



, and C. H. Usher. Text, 



Part II. Issued. Price 



. Bv Karl Pearson. 

 .1 O. H. Usher. Text, 

 Part IV. Issued. Price 



UtUU/^o ''IV A»^V 



On the Relation of Fertility in Man 



icial Status, and on the changes in this 



Relation that have taken place in the last 



50 years. By David Heron, M.A., D.Sc. 



Issued. Sold only with complete sets. 



A First Study of the Statistics of 

 Pulmonary Tub 

 Karl Pearson. F.R.S. Issued. Price3*.nef. 



A Second Study of th9 Statistics of 

 Pulmonary Tuberculosis. .Marital Infec- 

 tion. By Ernest G. Popb j Kaul 

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

 irtative Mating by Ethel M. Elderton. 

 lis nvl. 



The Health of the School-Child in re- 

 lation to r By Karl 

 Pk arson, F.R.S. 



On the Inheritance of the Diathesis 

 '.ithisis and Insanity. A Statistical 

 Study base! upon the Family Hisrt 



JOMNO, 



M.D . B 3 



VI. A Third Study of the Statistics of 



Pulmonary Tuberculosis. The Mortality 

 i)f the Tuberculous and Sanatorium Treat- 

 ment. By W. P. Elderton, F.I. A., and 

 8. J. Pkbky, A.I.A. limed. Price 3s. net. 



VII. On the Intensity of Natural Selection 



in Man. (On the Relation of Darwinism 

 to the Infantile Death-rate.) By E. 0. 

 Snow, D.Sc. Issued. Price 3s. net. 



VIII. A Fourth Study of the Statistics of 



Pulmonary Tuberculosis : the Mortality of 

 the Tuberculous: Sanatorium and Tuber- 

 culin Treatment By W. Pawn Elderton, 

 F.I. A., and Sidney J. Perry, A. I. A. 

 [tinted. Price 3s. net. 



IX. A Statistical Study of Oral Tem- 



10I Children with special 



ref Parental, Environmental and 



tss Differences. By M. H. Williams, 



MB., Jolu MA., and Karl 



Pearson, F.R.S. Issusd. Pri 



