Show the sleep of Butter fl es washington the scientists in the employ ot uncle sam are forever mak ing queer experiments tending more or less to the extension of scientific knowledge the oddest perhaps ol 01 experiments of late years has been those conducted by an official of the botanic gardens who has been watch ing the sleep of butterflies the boffl cial contends that butterflies are ren dered secure from their enemies al night by reason of their peculiar color and markings thus large red and brown butterflies with silvery spots on the under side of their wings which are conspicuous by day can hardly be distinguished at night cheb sleeping on golden rods and othel flowers that form their favorite roosts at such times their bright wing col ors blend with the hues of the flowers while the silvery spots glisten like the dewdrops around them |