Dr. Wood has made a very thorough and careful revision of Delafield and Prudden's well known book, following as closely as possible the plan of previous editions. The many new references to recent literature, especially American, will prove helpful. The illustrations, many of them new, are, almost without exception, highly satisfactory; indeed, only a few, as, for instance, Figure 566, pertaining to tuberculous nephritis, need be replaced by better ones. Figure 462, illustrating gelatinous carcinoma of the stomach, does not seem quite clear enough and should not, as it is now, be referred to as showing, in the strict sense, diffuse infiltrating carcinoma of the stomach. A few minor mistakes have been noted, as, for instance, on page 178—"much experimental data has been brought forward." The rule that the scientific names of bacteria shall be binomial is disregarded in some cases; fusiform bacilli probably merit a little more attention than