on the skull in the Polish fowl, i. 257, 262;
on the intelligence of Polish fowls, i. 264;
correlation of the cranial protuberance and crest in Polish fowls, i. 274;
development of the web in the feet of Polish fowls, i. 259;
early development of several peculiarities in Spanish cocks, i. 250;
on the comb in Spanish fowls, i. 253;
on the Spanish fowl, ii. [306];
varieties of game-fowls, i. 252;
pedigrees of game-fowls, ii. [3];
assumption of female plumage by a game cock, i. 253;