SYMPTOMS.
Among the different classifications of this disease, that of Hisch49 is probably the best, although like every subject whose different phases approach each other, this disease can not be divided into distinct forms without there being some cases which belong partly in one form and partly in another. Hisch's classification is: 1, meningitis cerebrospinalis epidemica siderans; 2, meningitis cerebrospinalis epidemica abortiva; 3, meningitis cerebrospinalis epidemica intermittans; 4, meningitis cerebrospinalis epidemica typhoides.Under the first form come those cases which commence with violent initial symptoms, agonizing headache, backache, chills, high temperature, uncontrollable vomiting, coma and death within a period varying from twenty-four hours to two or three days. Cases of this nature were of frequent occurrence in the older epidemics, but have of late years become rare.That type called the abortive50 has also been of unfrequent occurrence in the later epidemics. In it the initial symptoms are