Hardly had Edinburgh University entered upon its present academic year than it was deprived by the hand of Death of the services of Cargill G. Knott, Reader in Applied Mathematics. The news of his death came as a great shock to all his friends, as there was no illness or other sign which might have foreshadowed the summons that was coming to him. Apparently in his usual robust health, he was engaged in his various duties until the very end, which came to him with startling suddenness.