DAIRY MICROBIOLOGY. By Edwin M. Foster, F. Eugene Nelson, Marvin L. Speck, Raymond N. Doetsch, and Joseph C. Olson, Jr. Englewood Cliffs, New Jersey, Prentice-Hall, Inc., 1957. 492 pp. $5.65. There has long been a need in the dairy industry for a text or reference book to fill the gap between texts dealing with public health and theoretical aspects of dairy microbiology for college students and...