No. 550] 



GAMETIC C 



hybrids between Chinese am 

 by Mr. J. H. Kempton and 

 acter was found to be definite 

 eration. In the second gene 

 pears apparently unchanged 

 cent, of the individual seeds 



.and colored Chinese and win 

 nounced coherence between tr 

 and the color of the aleurom 



Kesnlts of the first seaso" 

 reported at the International 

 Paris, 1911. At that time n 

 termine the gametic ratios n 

 observed correlations. 



In these crosses the char!, 

 nitely alternative expression 

 show simple Mendelian ratk 

 two of the four classes ever 



In the results of the next 

 five additional ears sufficient 1; 

 i-harartfrs to be considered f 

 etic coupling. The data de~ 

 and from the one of the pre 

 Table II. 



