To Keep Out Cholera

WABHINOTON.Oct. 10. - Witll a VÍCW tO preventinff the introduction of cholera in the United State's, tht secretary ol the treasury lias iasaed a circular to collectors of customs statinfr that no ragsshail be admittod from Marseilles, Franee, unle.isaccompanied by a certifícate from the United States consul at that port.