CONTENTS VU 



35. II Sordomutismo nel Campo eugenetico e sociale. (Deaf-mutism in relation to 



Eugenics and Society.) Giulio Ferreri, Milan, Italy 264 



36. Eugenic, Cacogenic and Socially Inadequate Tendencies in our Population. Dr. 



J. H. Landman, College of the City of New York 266 



37. Pennsylvania's Problem in Eradicating Foci of Mental Defect. Dr. Florentine 



Hackbusch, Dept. of Welfare, Harrisburg, Pennsylvania 272 



38. Considerations on the Social Factors in Mental Development. Florence Powder- 



maker, M.D., New York 276 



Section VI. Selection; Disease; Infertility 



39. The Physical Factors in Race Survival. Dr. C. G. Campbell, New York 283 



40. Hereditary Deforming Chondrodysplasia. Dr. Albert Ehrenfried, Boston, 



Massachusetts 295 



41. Selective Elimination as a Factor in Increasing the Immunity of Populations. 



Dr. Charles Herrman, New York 300 



42. The Inheritance of Allergy with Special Reference to Migraine. Mildred H. 



Richards and Ray M. Balyeat, Balyeat Hayfever and Asthma Clinic, Okla- 

 homa City, Oklahoma 314 



43. Human Infertility. Endocrine Aspects. Dr. Allan Winter Rowe, Evans Me- 



morial, Boston, Massachusetts 322 



44. Ovarian and Pituitary Modifications Resulting from Sterility Induced by Va- 



rious Means. Dr. Michael F. Guyer, University of Wisconsin 329 



45. Is Heredity a Causative Factor in the Manic-Depressive Psychoses? Dr. Hora- 



tio Pollock, Benjamin Malzberg and Raymond G. Fuller, State Dept. of 

 Mental Hygiene, Albany, N. Y 333 



46. Child Hygiene in Human Ecology. Dr. E. Blanche Sterling, U. S. Public Health 



Service 343 



Section VII. Differential Fecundity 



47. Measures to Encourage the Fertility of the Gifted. Dr. J. Sanders, Rotterdam, 



Holland 353 



48. The Reduction of the Fecundity of the Socially Inadequate. Sir Bernard Mallet, 



K.C.B., London, England 364 



49. A Discussion of Sir Bernard Mallet's Paper on "The Reduction of the Fecundity 



of the Socially Inadequate." E. S. Gosney, President, Human Betterment 

 Foundation, Pasadena, California 369 



50. Contra-Selection in England. Mrs. Cora B. Hodson, London, England 372 



51. Mesures a envisager pour favoriser la Fecondite des Individus les mieux doues. 



(Proposed measures for the encouragement of fecundity of the best endowed 

 individuals.) Dr. Georges Schreiber, Societe Francaise d'Eugenique, Paris, 

 France 378 



52. "Aristogenics." Dr. C. Ward Crampton, N. Y. Post Graduate Hospital and 



Medical School, New York 380 



53. Birth Rates of Coeducational Graduates. Mrs. Caroline H. Robinson, Swarth- 



more, Pennsylvania 387 



54. Evidence of the Rapidly Decreasing Birth Rate in Families in which Highly In- 



telligent Children Occur. Dr. Margaret V. Cobb, Cambridge, Massachusetts. 403 



