+-----------+--------------+------------+-------------+---------------+ | | v B' | v s | v | v s B' | | | ----- | -+------ | -----+-- | -+---+-- | |Reference. | s | B' | s B' | | | +-------+------+------+-----+-------+-----+---------+-----+ | | Ver- |Sable.| Ver- | Bar.| Ver- |Sable|Vermilion|Wild-| | | milion| |milion| |milion.|bar. | sable |type.| | | bar. | |sable.| | | | bar. | | +-----------+-------+------+------+-----+-------+-----+---------+-----+ | 129 I | 132 | 147 | 15 | 15 | 19 | 21 | 1 | 1 ~ | 130 I | 194 | 168 | 21 | 17 | 28 | 25 | .. | 1 ~ | 131 I | 121 | 89 | 10 | 20 | 26 | 11 | 1 | 1 | | 137 I | 139 | 113 | 19 | 12 | 33 | 14 | .. | 1 | | 138 I | 131 | 128 | 11 | 11 | 28 | 24 | 1 | .. | | 139 I | 83 | 79 | 4 | 12 | 17 | 12 | .. | .. | | +-------+------+------+-----+-------+-----+---------+-----+ | Total. | 800 | 724 | 80 | 87 | 151 | 107 | 3 | 4 | +-----------+-------+------+------+-----+-------+-----+---------+-----+ +-----------+-------+-------------------------+ | | | | | | | | |Reference. | Total.| Cross-over values. | | | +---------+-----+---------+ | | |Vermilion|Sable|Vermilion| | | |sable. |bar. |bar. | +-----------+-------+---------+-----+---------+ ~ 129 I | 351 | 9 | 12 | 20 | ~ 130 I | 454 | 9 | 12 | 20 | | 131 I | 279 | 12 | 14 | 24 | | 137 I | 331 | 10 | 15 | 24 | | 138 I | 334 | 7 | 16 | 22 | | 139 I | 207 | 8 | 14 | 22 | | +-------+---------+-----+---------+ | Total. | 1,956 | 9 | 14 | 22 | +-----------+-------+---------+-----+---------+ In the fourth cross, vermilion sable bar entered from one side, and (red gray not-bar) wild type from the other. The daughters were bar and the sons vermilion sable bar. The daughters were back-crossed singly to vermilion sable males, with the results shown in table 17. TABLE 17.--_P_1 vermilion sable bar_ [female] [female] x _wild_ [male] [male]. _B. C. F_1 bar_ [female] x _vermilion sable_ [male] [male].