CELL-THEORY.
Celosia cristata.
CELSUS, on the selection of seed-corn.
CELTS, early cultivation of the cabbage by the. -selection of cattle and horses by the.
Cenchrus, seeds of a, used as food.
Centaurea cyanus, bud-variation in.
CEPHALOPODA, spermatophores of.
Cerasus padus, yellow-fruited.
Cercoleptes, sterility of, in captivity.
Cercopithecus, breeding of a species of, in captivity.