BY " PNEUMOCOCCUS IMMUNOGEN (COMBINED)." By MAHENDRA KUMAR BATTACHARYA, Medical Officcr, Bengal Police Hospital, Alipore. The patient, a male, aged 23 years, was first admitted into this hospital on 30th December, 1928, with complaints of dyspepsia and was treated accordingly up to 23rd January, 1929. On 24th January, 1929, he suddenly complained of pain in the risrht side of the chest with ris...