COMMON THINGS, 



MAN. 

 CHAPTER III. 



55. Average duration of life. 56. In England and France. 57. Great mor- 

 tality of foundlings. 58. Average number of children per marriage. 

 59. Influences which produce permanent changes in man. 60. Indica- 

 tions of a common origin for the human race. 61. Naturalists in this 

 verify the Hebrew Scriptures. 62. The five races of men. 63. The 

 Caucasian variety. 64. The Mongol. 65. The Malay. 66. The 

 Ethiopian. 67. The American. 68. The relation of languages. 

 69. The limits of physiological and psychological speculation. 70. 

 Man material and intellectual. 71. Connection between the physical 

 and the intellectual. 72. Personal identity. 73. Analysis of the 

 constituents of the human body. 74. The absurd consequences of 

 materialism. 75. Further difficulties from the question of personal 

 identity. 76. The body said to change altogether once a month. 

 77. The intellectual part however suffers no change materialism 

 disproved. 78. Regularity of moral and intellectual phenomena. 

 79. Difference between them and physical phenomena. 80. Freedom 

 of will does not prevent these phenomena, considered collectively, from 

 observing general laws. 81. Example of statistical phenomena. 

 82. Frequency of marriages. 83. Constant proportion of unequal 

 marriages. 84. Proportion of illegitimate children. 85. Prevalence 

 of cnme, and proportion of acquittals. 86. Acts of forgetfulaess 

 number of unaddressed letters posted. 87. General conclusion. 



55. THE mean duration of life in England and Wales during 

 the 40 years ending with the year 1840, varied from thirty-one to 

 thirty-seven years, the variation, however, not being regular, 

 and its mean value being thirty-four years. 

 LARDNER'S MUSEUM OF SCIENCE. a SI 



No. 98. 



