crossing of Gallus Sonneratii and common fowl, i. 234;
occurrence of white in the young chicks of black fowls, i. 244;
Paduan fowl of Aldrovandi, i. 247;
peculiarities of the eggs of fowls, i. 248;
chickens, i. 249-250;
late development of the tail in Cochin cocks, i. 250;
comb of lark-crested fowls, i. 256;
development of webs in Polish fowls, i. 259;
on the voice of fowls, i. 259;
origin of the duck, i. 277;