I0 CONTENTS [ I0 



PAGE 



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 91 



CHAPTER IV 

 SUMMARY AND CONCLUSIONS 95 



APPENDIX A 

 LITERARY FAMILIES 103 



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 



