The student of hygiene and preventive medicine will welcome a book which covers the sanitary aspect of milk-supplies. The literature on milk and its relation to the public health is enormous and is difficult to assemble from all sources. This book is an important contribution and stands alone as a text- and reference-book on the subject of milk and the public health. Little pretense is made of taking up the chemical side of the question; the sanitary condition of milk can be judged only by bacteriologic investigation and this forms the fundamental idea underlying the book.
The arrangement is systematic and logical. The first part discusses in an introductory chapter the chemical and cellular content of milk. The sources of bacterial invasion, the kinds of bacteria and their influence on milk are then taken up and finally the all-important relation of milk to disease. The presentation of the subject is