294 Miss M. Wheldale. The Inheritance of [Feb. 12, 



And from Case 4 : — 







Eatios. 



Numbers 

 calculated. 



Numbers 

 observed. 



YIL 



YL 



Magenta delila... 

 Crimson „ ... 

 White 



9 or 39 -94 



3 13 -31 



4 17 -75 



47 



5 



19 







Totals 



16 71 '00 



71 



The close agreement between the theoretical and experimental numbers 

 justifies the assumptions made in regard to the constitution of the original 

 parents. 



Diagram I represents the composition of F 2 in Case 1 when we consider 



Diagram I. — Scheme of Distribution of three of the Colour-factors in F 2 from 

 white x yellow crimson-striped. 

 Cross-hatched squares = crimson-flowered plants. 

 Single -hatched „ = yellow „ „ 



Half plain „ = crimson delila flowered plants. 



Plain „ = white -flowered plants. 



