Here I may remark that Japanese children usually capture semi by means of a long slender bamboo tipped with bird-lime (mochi). The sound made by some kinds of semi when caught is really pitiful,—quite as pitiful as the twitter of a terrified bird. One finds it difficult to persuade oneself[1] that the noise is not a voice of anguish, in the human sense of the word "voice," but the production of a specialized[2] exterior membrane. Recently, on hearing a captured semi thus scream, I became convinced in quite a new way that the stridulatory apparatus of certain insects must not be thought of as a kind of musical instrument, but as an organ of speech, and that its utterances are as intimately associated with simple forms of emotion, as are
the notes of a bird,—the extraordinary difference being that the insect has its vocal chords outside. But the insect-world is altogether a world of goblins and fairies: creatures with organs of which we cannot discover the use, and senses of which we cannot imagine the nature;—creatures with myriads of eyes, or with eyes in their backs, or with eyes moving about at the ends of trunks and horns;—creatures with ears in their legs and bellies, or with brains in their waists! If some of them happen to
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