This work on colonial or tropical medicine is divided into three parts. In the first the diseases are grouped according to the organs affected: the digestive tract, respiratory system, blood and lymphatic systems, and so on; in the second the febrile maladies are considered, and in the third are grouped certain general conditions ranging from rabies to venomous bites and seasickness. Such a classification leads to many inconsistencies, as, for example, the separation of diseases the etiologic agents of which are closely related. In general the French colonial medical worker will find an excellent review of the field and a practical guide in this treatise. Although, as would be expected, specialists can find many omissions and certain interpretations with which they would disagree, in the main the various diseases are adequately considered from the standpoint of geographic distribution, etiology, pathology, symptomatology, treatment and prophylaxis. The authors have collected an immense