The insects in Madeira which are not ground-feeders, and which, as certain flower-feeding coleoptera and lepidoptera, must habitually use their wings to gain their subsistence, have, as Mr. Wollaston suspects, their wings not at all reduced, but even enlarged.

马德拉不是地面食性动物， 而且像某些以花为食鞘目和鳞目，它们必须习惯性地使用它们膀来维持生计， 拉斯顿先生所怀疑那样， 它们膀根本没有减少， 但甚至扩大。