Includes bibliographical references.

The environment and growth : protozoan origins of metazoa responsitives / S.H. Hunter -- Response of enzyme wynthesis and activity to environment / A.B. Pardee -- The effect of environment on the formation of bacteria flagella / D. Kerridge -- Environmentally induced changes in bacterial morphology / J.P. Duguid and J.F. Wilkinson -- Spore formation and germination as a mibrobial reaction to the environment / W.G. Murrell -- External factors influencing Structure and activities of Streptococcus pyogenes / H. Gooder and W.R. Maxted -- Phenotypic variation and bacterial infection / G.G. Meynell -- Some aspects of the influence of environment on the radiosensitivity of micro-organisms / F.J. De Serres -- ynchronization of division in cultures of Saccharomyces cerevisiae by control of the environment / E.C. Canto -- Environmental influence on genetic recombination in bacteria and viruses / K.W. Fisher -- Some Effects of changing environment on the behaviour of plant viruses / F.C. Bawden -- Antibiotic production as an expression of environment / H.B. Woodruff -- Non-genetic variation of surface antigens in Bordetella and other micro-organisms / B.W. Lacey -- The chemical composition of micro-organisms as a function of their environment / D. Hervert.