country, though the importance of alcohol as an accessory factor is generally recognized. His recommendation of a dose of 3, .4 or 5 grams of chloral seems to us a little large, even in acute alcoholism. Dr. Krauss, the translator, has given us a very good English rendering of the German text, and added to its value by his numerous well-chosen additions, which are indicated by brack¬ ets. We should be inclined to look for a considerable popu¬ larity of the translation as a text-book on insanity in this country.