Thirty years ago, Stitt published the first edition of "Bacteriology, Blood Work and Animal Parasitology," containing 245 pages and four plates. This edition received such universal support that the next year the second edition appeared, with 365 pages and 91 illustrations. Since that time there have been seven other editions, including the present. As these various editions give an accurate insight into the knowledge of the discussed subjects at the time, one may follow the progress of bacteriology, hematology and parasitology in the last three decades merely by reviewing the various editions in order.
The ninth edition is divided into four parts plus an appendix. Part 1 deals with bacteriology, considering first a classification of bacteria, with comments on the various methods of classification. Following this classification, the various bacteria are discussed with reference to the diseases they cause. Each discussion includes a description of the character of the lesion