This volume, composed and published during the war, bears ample testimony to the remarkable intellectual capacity and productivity of the French under trying circumstances. There is need for a comprehensive treatise such as this on the virus diseases of animals. None exists in the English language, and the German "Handbuch der Virus Krankheiten," which appeared in 1939, is not well known. Under the editorship of Levaditi, Lépine and Verge, twenty-four specialists reflect in their respective chapters the continuous progress which has been made. Each author discusses his specialty; for example, J. Bailly writes on pseudorabies and G. M. Findlay on Rift Valley fever. For each disease included in the book there is a section which deals with history, geographic distribution, epidemiology, clinical and pathologic pictures, experimental infection, the infective viral agent, pathogenesis, immunity and immunization, and prophylaxis.
On the whole, this excellent and authoritative work includes within its scope only