Show little Is understood of insect migration there la is of course a grout deal that we do not inov I 1 now in tle the final analysts analysis all things go out into mystery and your most dry as dust professor asor laleff la left at tile the counter of ills 1 horii tory with MB ills mouth open and hb ahli shortsighted eyes rinsed rosed in a childish query still he be has selected detected law and order and reasonableness anti and the succession of cause and effect in many branches of biology including bird migration it Is not so with insect migration which may be on a big scale this remains a thorough going miracle ml rede still quite unplumbed in england we entertain quite a considerable number of butterflies from overseas though their arrival or passage over the sea Is 1 rarely observed but such eruch little flights of a hundred miles or so are as an noth ing compared with some recent examples butterflies will ft miles on occasion that lovely creature not so common here as we could wish the painted lady hu haj appeared la in let ice land at the end of i a journey so BO it Is in credibly alleged from froin A africa arl ca I 1 quite large groups of white butter flits files have settled on ships in the mediterranean on their way from south to north so africa certainly exchanges insects with europe sir W beach thomas in the outlook |