Milwaukee, Nov. 28. The traok of the L;iCnsse Railroad was torn up, and a bridge burned near Germantown, eighteen miles from tbis city, last night. Thia issupposed to be tbo wurk of farm mortgagors, who havo iBortgaged tlieir farms ilong the üae of tho road to the amonnt of a million of dollarH, which mortgages are being fore closed. The farm mortgafrors threaten to destroy the entire road if the company fail to make promisión for the payraentoi the mortgages. A great deal of trouble is apprehended.