PLATE 1 



EXPLANATION OF FIGURES 



1 Pekin male. X about 1/10. The female is practically the same. 



2 Rouen, male. X about 1/7. 



3 Rouen, female. X about 1/8. 



4 A, striped head. X about 2/7; B, plain head. X about 1/3. 



248 



