TABLES. 



53 



Table 53. — Classification of the descendants through three generations of the two original 

 mutants, &J!i763,-\-5^, and 9 5153, -]r5\. The -parents are in every case of grade 6^ or 5j. 



Table 54. — F2 descendants of the original mutant male, 4763, +5^, mated with females of the 



phis series. {Compare Table 51.) 



