This encyclopedia has been known to the medical profession since 1932. The present edition represents a complete revision and rewriting of most of the material which appeared in the first set. That set was completed in 1935. The present work includes articles by eight hundred and seven physicians. Obviously there is collected here a mass of scientific material of varying quality. Fortunately, however, the selection of contributors has been good and the majority of the monographs are excellent. The discussion as to whether or not a looseleaf system is preferable to a permanently bound system is perennial. No doubt there are good arguments on both sides and also good arguments against each type of publication. Unquestionably such a reference work is exceedingly useful to its possessor, and its ready availability in time of need is excellent insurance against emergencies.
Certain features of the cyclopedia are distinctive. The arrangements in two