I0 CONTENTS [io 



FAGE 



Environment as Indicated by the Occupation of Men of Letters 



Themselves 76 



Environment as Indicated by Early Religious Training 80 



Environment as Indicated by Birth-rank 82 



Criticism of the Theory of Galton 84 



Criticism of the Theory of Ward 90 



Influence of Heredity 9 1 



CHAPTER IV 

 Summary and Conclusions 95 



APPENDIX A 

 Literary Families J03 



APPENDIX B 

 Biographical Tables 107 



APPENDIX C 



American Men of Letters, Classified by Conjugal Condition, 

 by Period of Birth, and by Median Number of Children 

 Born to Them 164 



APPENDIX D 



Alphabetical List of American Men of Letters With Date 

 of Birth 165 



