Every time I took a dose of _Calc. ren. pr._ I found that the so-called tartar on the teeth became detached a few days afterwards. A short while ago a nodosity, hard as a stone, which had appeared on the extensor tendon of the right middle finger, about nine months ago, and which threatened to increase more and more, disappeared. I consider the tartar on the teeth, calculi renales and arthritic nodosities very similar morbid products. In conclusion I beg leave to offer the following remarks: 1. Hahnemann's theory of psora is no chimera, as many theoreticians would have us believe. I was perfectly healthy previous to my being infected with itch. What a host of sufferings have I been obliged to endure after the suppression of the itch! 2. Isopathy deserves especial notice. It is true, the most suitable homoeopathic remedies afforded me relief; the incarceration of calculi in the ureter especially was relieved by _Nux_; but they were unable to put a stop to the formation of calculi; this result was only attained by the preparation of _Calc. ren._ CEANOTHUS AMERICANUS. NAT. ORD., Rhamnaceæ. COMMON NAMES, New Jersey Tea. Red Root. Wild Snowball. PREPARATION.--The fresh leaves are pounded to a pulp and macerated in two parts by weight of alcohol. (The following by Dr. Majumdar in _Indian Homoepathic Review_, 1897, illustrates the chief use of this "organ remedy.") Recently I had a wonderful case of supposed heart disease cured by _Ceanothus_. I am indebted to my friend, Dr. Burnett, for the suggestion of using _Ceanothus_. A thin and haggard looking young man presented himself to my office on the 26th of July, 1896. He told me he had some disease of the heart and had been under the treatment of several eminent allopathic physicians of this city; some declared it to be a case of hypertrophy of the heart and some of valvular disease. Without asking him further, I examined his heart thoroughly, but with no particular results. The rhythm and sounds were all normal only there was a degree of weakness in these sounds. Dulness on percussion was not extended beyond its usual limit. So I could not make out any heart disease in this man. On further inquiry, I learned that the man remained in a most malarious place for five years, during which he had been suffering off and on from intermittent fever. I percussed the abdomen and found an enormously enlarged and indurated spleen, reaching beyond the navel and pushing up the thoracic viscera. The patient complained of palpitation of heart, dyspnoea, especially on ascending steps and walking fast. I thought from these symptoms his former medical advisers concluded heart disease. In my mind they seemed to be resulted from enlarged spleen.