CONTENTS. 



CHAPTER I. 



ANTECEDENTS. 



Object of book, 1 ; Definition of " Man of Science," 2 ; Data, 10 ; 

 Nature and nurture, 12 ; Race and birth-place, 16 ; Occupation 

 of parents and position in life, 21 ; Physical peculiarities of 

 parents, 27 ; Primogeniture, &c., 33 ; Fertility, 36 ; Heredity, 

 39. Pedigrees, viz : Alderson, 41 ; Bentham, 43 ; Carpenter, 

 43 ; Darwin, 45 ; Dawson Turner, 48 ; Harcourt, 50 ; Hill, 51 ; 

 Latrobe, 54 ; Playfair, 55 ; Roscoe, 57 ; Strachey, 58 ; Taylors 

 of Ongar, 60 ; Wedgewood, 62. Statistical results, 64 ; grand- 

 fathers and uncles of scientific men, 65 ; brothers and male 

 cousins, 67 ; Family characteristics, 69 ; Distribution of ability 

 in gifted families, 70 ; Relative influence of paternal and 

 maternal lines, 72. 



CHAPTER II. 



QUALITIES. 



Preliminary, 74 ; Energy, 75, viz : much above average, 78 ; 

 below average, 97. Size of head, 98 ; Health, 99 ; of parents, 

 101 ; Perseverance, 103 ; Impulsiveness, 104 ; Practical business 



