That acute poliomyelitis, often associated with meningitic and encephalitic symptoms, sometimes occurs in epidemic form is illustrated by several distinct epidemics in this country. The most important is that reported by Caverly1 from the vicinity of Rutland, Vt., of 119 cases, all occurring during the summer of 1894. Eighteen patients died; 85 of the patients were under 6 years of age. Smaller outbreaks have occurred in New York and in London, Ont. In Gloucester, Mass., 38 cases developed (Painter). So far as known few or no autopsies were made in cases in these outbreaks and no bacteriologic examinations of the central nervous system.
Probably the most extensive epidemic of acute poliomyelitis yet recognized is the Norwegian epidemic of 1905, an epidemic that seems to have begun in 1903 and probably to have reached its height in 1905, although the facts as to 1906 are not yet available. It may be