Scandinavian flora, aggressive power of, [511]

Scientific voyages, comparative results of, [7]

Sciurus, [26]

Sclater, Mr. P. L., on zoological region, [32], [39]

Scotland, glacial deposits of, [112]-[115]

probable rate of denudation in, [173]

Miocene flora of, [184]

peculiar fishes of, [341]

Scotophilus tuberculatus in New Zealand, [474]

Scrophularincæ, why few species are common to Australia and New Zealand, [505]