1. GENERAL AND LOCAL ADMINISTRATION OF PENICILLIN
2. 2. It is easy to prepare calibrated capillary pipettes measuring from 25 c.mm. to 100 c.mm. by the aid of the "automatic pipette" described by A. E. Wright and L. Colebrook in their Technique of the Teat and Capillary Glass Tube, London, 1921 (quoted in the MRC System of Bacteriology, vol. IX, p. 178).
3. THE ANTIBACTERIAL POWER OF THE BLOOD OF PATIENTS RECEIVING