1 64 



Dynamic Evolution 



approximately equal groups, we have the 

 following : 



Grandfathers less than 58 643 grandsons 



58 to 64, inclusive 635 grandsons 



65 to 72, inclusive 648 grandsons 



Grandfathers 73 and over 638 grandsons 



Taking the extremes we have: 



Grandfathers less than 46 27 grandsons 



Grandfathers 92 and over 25 grandsons 



Years Elapsing between Birth of Grandfather 

 and Birth of Eminent Grandson 



Fox, Chas. J 122 



Audubon 115* 



Carpzov, J. B. (1720). .113 



Lamarck no* 



Irving, W 107 



Sulla 105* 



Montmorency 103 



Copernicus 100* 



Carpzov, A. B 97 



Montelembert 96 



Ptolemy II 95 



Coligny, Charles 94 



Dumas, pere 93 



Villiers, C. P 93 



Pope 92 



Bernouilli, James 92 



Whittier 91 



Cassini, C. F 89 



Dana, R. H 87 



Augustus 118* 



Coligny, G. (1584) ... .114 

 Bernouilli, John, 2d. . . 112* 



Franklin 108 



Wollaston 107 



Handel 104 



Bernouilli, D. (1700) . . 102* 

 Gustavus Adolphus. . . 98 

 Bernouilli, N. (1695) . . 97 



Bunsen, R. W 95* 



Lee, Arthur 94 



Watt 94 



Effingham 93 



Goethe 92 



Carpzov, J. B. (1607). . 92* 



Villiers, G. W. F 91 



Hunter, John 90* 



Lee, Lightfoot 88 



Law, Edward, Jr 87 



