British Association Report on North Western Tribes of Canada, 1890, p. 581.
Laws of Manu, iv, 41.
Pliny, who, in Book VII, Chapter XIII, and Book XXVIII, Chapter XXIII, of his Natural History, gives long lists of the various good and evil influences attributed to menstruation, writes in the latter place: "Hailstorms, they say, whirlwinds, and lightnings, even, will be scared away by a woman uncovering her body while her monthly courses are upon her. The same, too, with all other kinds of tempestuous weather; and out at sea, a storm may be stilled by a woman uncovering her body merely, even though not menstruating at the time. At any other time, also, if a woman strips herself naked while she is menstruating, and walks round a field of wheat, the caterpillars, worms, beetles, and other vermin will fall from off the ears of corn."