S. Falkow,<$> Introduction. D.G. Russell,<$> Obtaining and Maintaining Microbial Pathogens. Manipulation of Pathogens:<$> W. Trager,<$> Cultivation of Malaria Parasites. D.S. Roos, R.G.K. Donald, N.S. Morrissette, and A.L.C. Moulton,<$> Molecular Tools for Genetic Dissection of the Protozoan Parasite Toxoplasma gondii. J.H. LeBowitz,<$> Transfection Experiments with Leishmania. R. Tsolis and F. Heffron,<$> Mutagenesis and Variant Selection in Salmonella.N.D. Connell,<$> Mycobacterium: Isolation, Maintenance, Transformation, and Mutant Selection. Microbial Adherence and Invasion Assays:<$> G.J. Bancroft, H.L. Collins, L.B. Sigola, and C.E. Cross,<$> Modulation of Murine Macrophage Behaviour in Vivo<$> and in Vitro. E.J. Brown, In Vitro<$> Assays of Phagocytic Function of Human Peripheral Blood Leukocytes: Receptor Modulation and Signal Transduction. P. Falk, T. Boren, D. Haslam, and M. Caparon,<$> Bacterial Adhesion and Colonization Assays. I. Crandall and I.W. Sherman,<$> Cytoadherence and the Plasmodium falciparum<$>-Infected Erythrocyte. The Study of Intracellular Pathogenesis:<$> M.J. Blackman,<$> Purification of Plasmodium falciparum<$> Merozoites for Analysis of the Processing of Merozoite Surface Protein-1. K. Haldar, H.G. Elmendorf, A. Das, W.L. Li, D.J.P. Ferguson, and B.C. Elford, In Vitro<$> Secretory Assays with Erythrocyte-Free Malaria Parasites. K.H. Berger and R.R. Isberg,<$> Intracellular Survival by Legionella. P. Chakraborty, S. Sturgill-Koszycki, and D.G. Russell,<$> Isolation and Characterization of Pathogen-Containing Phagosomes. D.G. Russell,<$> Immunoelectron Microscopy of Endosomal Trafficking in Macrophages Infected with Microbial Pathogens. P.H. Schlesinger,<$> Measuring the pH of Pathogen-Containing Phagosomes.C.V. Harding,<$> Techniques for Studying Phagocytic Processing of Bacteria for Class I or II MHC-Restricted Antigen Recognition by T Lymphocytes. References. Subject Index.