spur of, inserted into the eye of an ox, ii. [369];
effect of castration upon the, ii. [51]-[52].
Cock's-comb, varieties of the, i. 365.
Cocoons, of silkworms, variations in, i. 302-303.
Codfish, bulldog, i. 89;
number of eggs in the, ii. [379].
Cœlogenys paca, ii. [152].
Colin, prepotency of the ass over the horse, ii. [67]-[68];
on cross-breeding, ii. [97];
on change of diet, ii. [304].