PLATE 2 



EXPLANATION OF FIGURES 



5 FI hybrid male. X about 1/10. 



6 F t hybrid female. X about 1/7. 



7 F 2 white breasted, black female. X about 1/8. The FI black female is prac- 

 tically identical with this one. 



8 F 2 male which lacks the claret breast. X about 1/7. 



9 F 2 female, X about 1/9, with much white and somewhat resembling an 

 Indian Runner duck. 



250 



