W.E.Bird, of Cahawba, Ala.,has invented an improved steam boiler, for which he has taken measures to secure a patent The boiler is oopooca oi cylinders or tubes arranged in layers or tiers having return flues passing through them and connected with a fire chamber. The flues of the lower tubes or cylinders terminate in a trunk or chest with hollow bars, through which the smoke passes to the smoke chamber. The flues of the upper cylinders communicate directly with the smoke chamber.