Cover; Copyright Page; Contributors List; Preface; Contents; Chapter 1. Serology of Salmonella; Chapter 2. Biochemical and Serological Characterization of Citrobacter; Chapter 3. Serological Typing of Serratia marcescens; Chapter 4. Serological Typing of Edwardsiella tarda; Chapter 5. Biochemical and Serological Characterization of Erwinia; Chapter 6. Biochemical and Serological Characterization of Yersinia enterocolitica; Chapter 7. Gas-liquid Chromatography for the Assay of Fatty Acid Composition in Gram-negative Bacilli as an Aid to Classification; Index; Contents of published volumes.