THE INDEX MEDICUS NOVUS.

Besides the Jahrbucher, Jahresberichts and Centralblatts published in Germany, we have now a periodical devoted to medical bibliography, the Index Medicus Novus of Dr. Doheney, Vienna. This is, so far as we are aware, the only one of its kind at the present time, though indexes of periodic literature in certain specialties may exist. This publication appears fortnightly and purports to give the medical literature of the world, though it is very incomplete as compared to the old Index Medicus, and only a very few leading American journals appear to be available to its compilers. The articles are indexed under heads as in the various Jahrbucher, no attempt at alphabetic arrangement under these being attempted. The frequency of issue, however, and the consequently more limited number of titles renders this less an objection than might otherwise be the case. As an aid to research in continental European medical literature it