1908.] Theory of Ancestral Contributions in Heredity. 73 

 Table II. — Matings between Pure Yellows and Pure Greens. ("See p. 70.) 



Number of cross 



Number of 



Number of 



Date of 



or crosses. 



^ parent. 



$ parent. 



making cross. 



1906 ■ 



f29 



329 



404 



VI.10 





[31, 32 



323 



404 







f40 



477 



491 



VI.9 





44 



477 



491 







69, 70, 71* 



491 



477 



VI.10 





97, 98, 99 



480 



491 



VI.16 





104, 105 



491 



477 







200 



491 



479 



VI.29 





204 



491 



477 





1907 208 



491 



479 



VIZI 





210 



491 



477 







244 



491 



479 



VII.7 





250 



491 



477 







252, 254, 255 



491 



478 







256 



491 



480 







258, 259 



491 



481 







_260, 261 



491 



482 





* See note on p. 64. 



Note. — The significations of the numbers indicating the parents in the 1907 crosses will be 

 found on p. 63. The following are the parents of the 1906 crosses (the first three on the list) : — 

 323 = " Express " (green round) ; 329 = Laxton's " Alpha " (green wrinkled) ; 404 is the 1906 

 sowing of the yellow round type which appears as 492 and 493 in the 1907 crosses (see p. 63). 



Details of F 2 Families, produced from Crosses in Table I, classifiable by 

 Yellow and Green Grandparents. 



Table III. — Particulars of F 2 Families from Crosses made with 

 Extracted Green No. 483. 



Number 



of 

 family. 



T. 



a. 



? 



Number 



of 

 family. 



Y. 



G. ? 



Number 



of 

 family. 



Y. 



Gr. 



? 



75.1 



146 



52 





77.4 



13 



11 



85. 



1 



74 



26 





75.2 



82 



20 





77. 5 



103 



37 3 



85. 



2 



73 



28 





75.3 



172 



55 



2 



79.1 



107 



31 



85. 



3 



138 



43 



2 



75.4 



142 



42 



1 



79.2 



96 



30 



86. 



1 



203 



54 





75. 5 



149 



50 



4 



79. 3 



32 



10 



86. 



2 



157 



58 





75.6 



160 



63 



1 



79.4 



129 



41 



86. 



3 



103 



48 





75.7 



24 



14 





79.5 



172 



47 



86. 



4 



85 



31 





76.1 



196 



68 



1 



81. 1 



38 



22 



87. 



1 



38 



9 





76.2 



133 



41 





81. 2 



153 



54 



87. 



2 



73 



27 





76.3 



64 



27 





81. 3 



190 



52 



87. 



3 



71 



27 



1 



76.4 



118 



36 





81.4 



152 



52 



87. 



4 



122 



44 



1 



76.5 



283 



95 



2 



81.5 



141 



44 2 



87. 



5 



173 



57 





76.6 



100 



31 





81. 6 



63 



26 



87. 



6 



83 



32 





76.7 



114 



34 



1 



83. 1 



95 



36 



108. 



1 



360 



114 



2 



76.8 



158 



48 





84. 1 



31 



18 



108. 



2 



343 



115 





77.1 



8 



2 





84. 2 



67 



23 



109. 



1 



41 



15 





77.2 



52 



12 





84. 3 



50 



17 



109. 



2 



174 



58 



3 



77.3 



69 



21 





84. 4 



122 



38 



109. 



3 



36 



16 





