As an introduction to this paper I have detailed three cases as clinical pictures. My conclusions are based on an examination of sixteen cases, six of which proved recoverable. Case No. I is an example of recovery and illustrates the condition found; but it presented no congestive attacks, which sometimes occur during the course of such a case. Cases Nos. 2 and 3 show in addition confirmed muscular and degenerative lesions precluding any chance of recovery; in both, however, there were distinct remissions.