Preparation , Triturations of the precipitated metal. Authorities. 1 , J. W. Metcalf, North Am. Journ. of Hom., vol. 2, 1852, p. 405, 1 grain 3d trit., at 5 and 9 P.M. (first day), same, at 6.30 and 10.30 A.M. (second day); ( 2 to 13 , C. Hering, Am. Hom. Rev., vol. 5); 2 , C. Hering swallowed in water the part washed with alcohol from the mortar and pestle after triturating; 3 , Oscar Tietze took 3d trit.; 4 , a woman took 3d on going to bed (first day), in the evening (eighth day), in the morning and at 10 P.M. (ninth day); she had had many of the symptoms before the proving, but not lately, and not in such strength; some symptoms might be produced by her occupation as a teacher, and some might depend upon her age, forty years; 5 , Dr. Kitchen took 3d trit.; 6 , Dr. Gardner took 3d trit. evening and morning; 7 , Dr. Whitey took 2d trit., several grains night and morning; 8 , Dr. Gosewich took 12th, at 4 P.M.; 9 , through Dr. Gosewich, 1 drop of 6th pot. at 5 P.M.; 10 , through Dr. Gosewich, F., a woman took 6th in drop doses; 11 , Dr. Carroll Dunham took 1 grain 4th cent. trit. every night on retiring for about five days; two subsequent provings with same preparation, made within two years, reproduced substantially the same symptoms; 12 , Dr. Charles G. Raue took a few grains of 3d cent., at 10.30 P.M. (first day), 10 A.M. and 10 P.M. (second day), 1 grain at 12.30 P.M. (third day), 1 grain fasting (fourth morning); 13 , Prof. Woehler, effects on himself of investigating Telluric ethyle; 14 , J. Y. Simpson, Month. Journ. of Med. Sci. (Pharm. Journ., vol. 14, 1855, p. 376), a dose was given to a student of divinity; 15 , Dr. Bunsen, Pacific Med. and Surg. Journ., 1869, experiments with the salts; 16 , E. W. Berridge, Am. Journ. of Mat. Med., vol. 9, 1876, p. 247, Dr. J. R. Croker took in the morning 3 globules 31st pot.