Cabbage, varieties of, crossed, [99].
Calceolaria, [251].
Canary-birds, sterility of hybrids, [252].
Cape de Verde islands, [398].
Cape of Good Hope, plants of, [110], [375].
Carrier-pigeons killed by hawks, [362].
Cassini on flowers of compositæ, [145].
Catasetum, [424].
Cats, with blue eyes, deaf, [12].
——, variation in habits of, [91].