Abstract
Adrenaline was much more rapidly destroyed in the arterial blood, shut up instantaneously in an artery in situ , in comparison with the blood taken out and rendered non-coagulable, either mechanically or chemically.
The velocity of evanescence of adrenaline in the venous blood, similarly treated, was inferior to that in the arterial.
The velocity of diminution of adrenaline in the living animal was generally proportional to the geometrical progression, while that of the recovery of the mean blood pressure was about proportional to the arithmetical progression or somewhat slower.