form of comb and colour of plumage in, ii. [238];
game, crossing of white and black, ii. [92];
five-spurred, ii. [391];
Spanish, liable to suffer from frost, ii. [306];
Polish, peculiarities of skull of, ii. [332]-[333].
Fox, sterility of, in captivity, ii. [151].
Fox, S. Bevan, races of bees, i. 298.
Fox, W. Darwin, gestation of the dog, i. 30;
"Negro" cat, i. 46;
reversion of sheep in colour, ii. [30];