110 



S. IKENO : 



Table VI, B. 



P^-geneiatiou (1017, 1918), 



tlieoretically 2'9 : 5'8 : 5-8 : 11'6 respectively. Fiirthenuore, we b.ive 8 laomo- 

 {CCrrhh) aucl 11 lieterozygoiis oranges (Ccrrbb), tlieoretically ()-3 and 12-(3 

 respectively. Besides, all wliites are cou.sidered to be homozygous, as above 



t That the appearance of 2 reds in the off-spring of this No. \vhich is considered to be of 

 the genotypic constitution CcJtrBh is due to the formation of a certain number of the 

 gametes Cl'Ii, CRb, crB, cTth, i.e. to the change of the complete - coupling " between It 

 and li into a x'f'rtial. ^^i'l be ihscussed p. 123. The apiicarance of 1 red in F^ (s. Table 

 VI, A, white-II X orange, No. 2) may also In' dne to the same cause. 



