Volcanic islands, denudation of, [285].
Vulture, naked skin on head, [197].
W.
Wading-birds, [386].
Wallace, Mr., on origin of species, [2].
——, on law of geographical distribution, [355].
——, on the Malay Archipelago, [395].
Wasp, sting of, [202].
Water, fresh, productions of, [383].
Water-hen, [185].