66 



Table 36. — Reversed Selection, Plus to Minus. 

 864. Inbred Line. 



'Two broods from the same parents. 



Table 37. — Tests for Modifying Factors. 1 

 900. Inbred Minus Line. 



1 In tables 37 and 38 the upper row in the parent columns refers to the mother of the culture in 

 question; the lower row to the father. 



2 2091 and 2143 are two broods from the same parents. 



