168 



EX VIRIBUS VIVIMUS. 



J. Average at Death of Sovereigns of various races 

 dying at fifty-one and upwards. GUY. ' Journal 

 of Statist. Soc' 1847, p. 68. 



N.B. — It is noticeable that the hereditary princes are less long-lived 

 than those who have won their position by some merit, either military 

 or administrative. 



Comparison of Ages at Death, of three centuries. 

 Guy. ' Journal of Statist. Soc! 1859. 



1 6th century 1500 facts gave mean of 

 17th „ 3400 facts „ 



l8th „ 2800 facts 



64-25 

 6o-36 

 63-41 



L. Comparative Longevity of Married and 

 Unmarried. 



A number of married persons gave mean of 

 „ unmarried „ 



66-77 

 62-00 



tables are framed on more extensive data, and indicate the probable after- 

 lifetime at a given age : hence they can only be compared inter se, and not 

 with the above. 



