——, parasitic, [218].

Beetles, wingless, in Madeira, [135].

—— with deficient tarsi, [135].

Bentham, Mr., on British plants, [48].

——, on classification, [419].

Berkeley, Mr., on seeds in salt-water, [358].

Bermuda, birds of, [391].

Birds acquiring fear, [212].

—— annually cross the Atlantic, [364].

——, colour of, on continents, [132].