Approved Laboratory Technic.

This volume was prepared by the authors for the American Society of Clinical Pathologists. It includes instructions for the examinations of the blood, urine, gastric secretions, exudates and tissue fluids; helpful suggestions for the care and housing of the usual laboratory animals; recipes for mediums, stains and reagent solutions; procedures for bacteriologic technic and the identification of the common pathogenic bacteria and molds; methods for milk and water analyses; technic for the complement fixation and precipitation tests for syphilis; directions for quantitative analyses of the blood and urine; information needed in determining basal metabolism; instructions for preparing sections of tissues; and outlines for certain toxicologic examinations and tests for pregnancy. These directions are adequate, and the tests described include those generally demanded of a large hospital or commercial clinical laboratory. There are no instructions for postmortem technic and other procedures in the morgue. This is anomalous, since clinical pathologists are