An Introduction to Bacterial Physiology

effort, it is of real value to public health workers. The detailed classification of subject matter is such that the report serves as a ready reference for the public health worker who wishes to be kept informed of current problems and progress toward their solutions. The section on Digestion and Metabolism illustrates this point with its 15 subject headings, including such items as: amino acids and proteins, lipides, enzyme effects, hormone effects, antimetabolites and interrelations, growth factors, and tissue biochemistry. The section on Food Technology includes the following subheadings, chemical additives, engineering methods and equipment, developmental research (in all food groups), and processing and storage. ALICE H. SMITH