1. The remaining patient—a male in catatonic stupor—will be discussed elsewhere.
2. We have used the Hagedorn-Jensen blood-sugar apparatus designed by Dr. H. J. Fuchs, and sold by Messrs. Baird & Tatlock, Ltd. The use of the special automatic 0.1 ml. pipette is a great asset when a number of estimations have to be made (our preliminary work has already entailedmore than a thousand blood-sugar analyses),as are the funnel-topped filtration-boiling tubes. The lipped precipitation tubes are designed to hold the 6 ml. of ZnSO4-NaOH mixture together with the blood sample, but do not allow for the extra 1 ml. odd of distilled water which is blown in from the automatic pipette. We have had to discard these tubes therefore, and have substitutedordinary Pyrex test-tubes.
3. It is interesting to note that one ætiological theory of the disease postulates a disturbance of the vegetative nervous system, with a parallel adrenaline imbalance.
4. It is important to stress the necessity for using chemicals of the utmost purity for this technique. With these, the automatic pipette and the needle-dropper, one can obtain exact duplicate results on any given sample of blood.