Corylus avellana.

COSTA, A., on shells transferred from England to the Mediterranean.

COUES, Dr. E., on a monstrous chicken.

COWPER, Mr. WHITE, defective development of the dental system.

"COUVE TRONCHUDA."

COW, inheritance of loss of one horn in the. -amount of milk furnished by the. -development of six mammae in.

COWSLIP.

CRACIDAE, sterility of the, in captivity.

CRANES, fertility of, in captivity.

Crataegus oxyacantha.