January 30. Head pains again, the same old character. Sensation of swelling in my face and pain in nerves of teeth, molars. Hot feeling. Pulse, 68. Temperature, 99. Very weak, but my mind clear. Much trembling and the oppression round my heart and chest producing a suffocating feeling that makes me afraid, and I must now seek some means to arrest this difficulty and give me some relief. I know it looks cowardly to give up, but my family compels me to do something to enable me to keep about. I cannot do any more; this heart oppression makes me think of heart failure. Pulse, 56, and temperature 96. Very weak. I hope it will wear away and this trembling improve. They have been caused by this drug, one of the most powerful. I gave up and went to bed very ill. I had to keep it from my family, but I was afraid my heart would stop beating and had a very restless night. I took acetic acid, as vinegar I had in some pickles I thought changed or relieved the first class or effort of provings and caused me to stop and begin again. I think it did help me. Next day very prostrated but did not take any note of my pulse or temperature, because I had began to try to find an antidote, and this vinegar and lemon juice has relieved many of them. I fear sometimes that the trembling in my hands may never fully leave me now. February 12, 1893. Copying my notes has brought so vividly to my memory that I can almost feel the old arctic rays through my body, and the giddiness and staggering gait of the _Heloderma hor._ days. I hope that you may have many others more courageous than I have been, whose provings will compare or improve upon this poor effort of mine. CLINICAL. The case of paralysis that I spoke of, whose staggering gait was called to my mind by my feelings, is now taking _Heloderma_.