A remarkable increase in interest in chronic rheumatism has been shown in recent years. As a matter of fact, a student in this field may find the review of important work of older writers and the descriptions of results of modern investigators within the current literature of the past two years.
The formation of the American Committee for the Control of Rheumatism might be regarded as a symptom of this increased interest. The classification of chronic rheumatism which was issued under the auspices of this committee proved to be a challenge which has been met in the studies of many workers and which has been useful in leading to a clearer statement of the problems that must be understood before treatment can be improved.
The multiplicity of names previously in vogue led the average practitioner to believe that as many different forms of rheumatic disease were prevalent as there were