422 



RUTH J, STOCKING 



TABLE 8 (second part) 



Data from the 25 races of the three experiments which were affected by selection 



* X is the number of days that the selection of normals went on before the 

 normal lines were isolated. 



which made up these groups is given in chart 4. Two of these 

 groups of lines, A2 and A6 died very soon; the other Hues hved 

 for some time and the data from them is given in table 9. 



