Note 2 — Chapter VII
Reading edition
For a case in which a red-headed female × a black-headed male gave a black-headed female and a red-headed male, see Avian Mag., N. S., IV, pp. 49 and 329
Reading edition
For a case in which a red-headed female × a black-headed male gave a black-headed female and a red-headed male, see Avian Mag., N. S., IV, pp. 49 and 329