The following cases are placed on record because they show (1) the value of Flexner's antimeningitis serum in cases of epidemic cerebrospinal meningitis, even after the infection has lasted for many days or weeks; (2) the necessity for prolonged treatment in such cases, and on the other hand (3) the rapidity of cure when the serum is injected promptly after the manifestation of symptoms.
The first three cases reported were in children of one family.
—I. G., aged 8 months, was admitted to the hospital April 25, 1912. He was the youngest of four children. The onset of his present illness was April 16, 1912, with fever and irritability. When he was picked up he screamed with pain. After a continuation of these symptoms for five days, it was observed that he did not use his right arm. He remained fretful, his paralysis and fever continued, and for