CONTENTS 



Introduction 1 



Considerations Influencing the Classification Used in This Edition of the Manual. ... 4 



How Bacteria are Named and Identified 15 



Division I. Protophyta Sachs, 1874, cviend. Krassilnikov, 1949 29 



Class I. Schizophyceae Cohn, 1879 30 



Class II. Schizomycetes von Naegeli, 1857 33 



Order I. Pseudomonadales Orla-Jensen, 1921 35 



Suborder I. Rhodohacteriineae Breed, Murray and Kitchens, 1944 35 



Family I. Thiorhodaceae Molisch, 1907 38 



Genus I. Thiosarcina Winogradsky, 1888 39 



Genus II. Thiopedia Winogradsky, 1888 40 



Genus III. Thiocapsa Winogradsky, 1888 41 



Genus IV. Thiodiclyon Winogradsky, 1888 41 



Genus V. Thioihece Winogradsky, 1888 42 



Genus VI. Thiocyslis Winogradsky, 1888 42 



Genus VII. Lamprocystis Schroeter, 1886 43 



Genus VIII. Amoebobacter Winogradsky, 1888 44 



Genus IX. Thiopolycoccus Winogradsky, 1888 45 



Genus X. Thiospirillum Winogradsky, 1888 46 



Genus XI. Rhabdomonas Cohn, 1875 48 



Genus XII. Rhodolhece Molisch, 1907 50 



Genus XIII. Chromatium Perty, 1852 50 



Family II. A thiorhodaceae Molisch, 1907 53 



Genus I. Rhodopseudomonas Kluyver and van Niel, 1937, emend, van 



Niel, 1944 53 



Genus II. Rhodospirillum Molisch, 1907, emend, van Niel, 1944 58 



Family III. Chlorobacteriaceae Lauterborn, 1913 61 



Genus I. Chlorobium Nadson, 1912 62 



Genus II. Pelodictyon Lauterborn, 1913 63 



Genus III. Clathrochloris Geitler, 1925 64 



Genus IV. Chlorobacterium Lauterborn, 1915 65 



Genus V. Chlorochromatium Lauterborn, 1906 65 



Genus VI. Cylindrogloea Perfiliev, 1914 66 



Suborder II. Pseudomonadineae Breed, Murray and Smith, sub-ordo nov 67 



Family I. Nitrobacteraceae Buchanan, 1917 68 



Genus I. Nitrosomonas Winogradsky, 1890 68 



Genus II. Nitrosococcus Winogradsky, 1892 69 



Genus III. Nitrosospira Winogradsky, 1931 70 



Genus IV. Nitrosocystis Winogradsky, 1931 70 



Genus V. Nitrosogloea H. Winogradsky, 1935 71 



Genus VI. Nitrobacter Winogradsky, 1892 72 



Genus VII. Nitrocystis H. Winogradsky, 1935 73 



Family II. Methanomonadaceae Breed, fam. nov 74 



Genus I. Methanomonas Orla-Jensen, 1909 74 



Genus II. Hydrogenomonas Orla-Jensen, 1909 75 



Genus III. Carboxydomonas Orla-Jensen, 1909 77 



Family III. Thiobacteriaceae Janke, 1924 78 



Genus I. Thiobaclerium Janke, 1924 79 



Genus II. Macromonas Utermohl and Koppe, 1923 80 



Genus III. Thiovulum Hinze, 1913 81 



xiii 



'^'3664 



