Celts, early cultivation of the cabbage by the, i. 324;
selection of cattle and horses by the, ii. [202]-[203].
Cenchrus, seeds of a, used as food, i. 309.
Centaurea cyanus, bud-variation in, i. 379.
Cephalopoda, spermatophores of, ii. [383].
Cerasus padus, yellow-fruited, ii. [19].
Cercoleptes, sterility of, in captivity, ii. [152].
Cercopithecus, breeding of a species of, in captivity, ii. [153].
Cereals, i. 312-313;
of the Neolithic period in Switzerland, i. 317;