While the neuropsychiatric complications of the primary anemias are well known clinically, there are, at least in the American literature, no references to the neurologic complications which come from acute anemia due to hemorrhage. Interest in this subject was stimulated a few years ago, when, during observations in a case to be reported in this paper, in which aphasic and apraxic complications occurred after a severe hemorrhage, the idea was conceived that perhaps the neurologic sequelae of acute hemorrhage are not so rare as their absence from the American literature would lead one to believe. It was, however, not only because of the unusualness of the case but also because of the problem of the existence of the syndrome as a clinical entity that this study was made.
The history of the subject is a long one. Hippocrates made the observation that "delirium and convulsions arising out of severe loss