The Operation of Nutritiun and Selection. 545 



following numbers of individuals of the various mean 

 fruit-lengths given in the first columns Ijelovv. 



LONG-FRUITED RACE IN THE' YEARS 1893 AND IS^U. 



The values Q and M calculated from the above tabic 

 are given below; together with the corresponding values 

 for the ancestors, of 1891 and 1892, and the lengths of 

 the fruits of the individual plants which furnislied the 

 seeds (5*^ seed-parent). There stands therefore under 

 vS' in each row the length of the fruit of the seed-parent 

 chosen in the preceding autumn ; their seeds gave rise 

 to the crop referred to in the same line. 



