PART I...(1) Leptothrix Ocharacea ...(2) Gallionella Ferruginea ...(3) Spirophyllum Ferrugineum ...(4) Crenothrix Polyspora ...(5) Cladothrix Dichotoma ...(6) Clonothrix Fusca and Other Iron-Bacteria - Affinities of Iron-Bacteria.
PART II ...(7) Artificial Cultivation of the Iron-Bacteria ...(8) Physiology of the Iron-Bacteria ...(9) Iron-Bacteria in Relation to Water Reservoirs and Corrosion of Conduit Pipes ...(10) Treatment of Water Infected by Iron-Bacteria ...(11) The Iron-Bacteria in Relation to Rock Formation.