History, A.A.Miles; Part 1 General characteristics of bacteria: introduction, A.H.Linton; bacterial morphology H.J.Rogers; the metabolism, growth and death of bacteria, J.G.Morris; the effects of chemical and physical agents on microbes, A.D.Russell; antibacterial substances used in the treatment of infections, J.D.Williams; medical aspects of bacterial and bacteriophage genetics, P.M. Bennett, et al. Part 2 Bacteria in the environment: introduction, A.H.Linton; bacterial ecology of soil, R.Campbell; bacteriology of air, O.M.Lidwell; bacteriology of water, G.Wilson, et al. Part 3 The normal immune system: introduction, K.Dick; bacteriology of milk and milk products, Anita Rampling; bacteriology of foods, T.A.Roberts. Part 4 Bacteria in association with the animal body: introduction, A.H.Linton; normal flora of the body of man and animals, A.H.Linton, et al; virulence detriments and bacterial products, I.R.Poxton, et al; the normal immune system, H.M.Dick, et at; immunoglobulins, W.Cushley; complement, M.Kerr; antigen - antibody reactions, H.M.Dick; hypersensitivity, D.Parratt; herd immunity, A.Miles; measurement of immunity, F.Sheffield.