The following subjects on steel are new subjects replacing those now listed in the silent industrial section of the catalogue: STEEL-BARS & STRUCTURAL SHAPES STEEL-FLAT ROLLED PRODUCTS STERL-MAKING OF STEEL STEEL~PIPE AND TUBE MANUFACTURING STEEL-RATLS, WHEELS, AND AXLES STEEL—RAW MATERIALS STEEBL-WIRE AND WIRE PRODUCTS STORY OF A CAN OF SALMON How salmon is canned in the great canneries of British Columbia. Toby OR NOT T sb. A U.S.D.A. picture of fowl tuberculosis and methods of combatting a plague that is taking a high toll among the flocks of Midwestern States. WITH ROD AND FLY Experiences of a party of fishing enthusiasts on one of the many small lakes of the Upper Gatineau River district near Ottawa, Canada. Pee ER ee ed