Tarn Otstxb I'raiik— The number of per sons employed In the basiuessol opening: pre- ! parißgand packing oysters in Baltimore, va ries from'j,i«", to 2 - isj. Of those eaaagrd in opening (or shucking) about 1,6u0 are colored persona. The packing and scaling given em ployment to several hnndred white men, the number employed ia RUiag the cans alone ex reeding ■.'< i..