The precipitated metal is triturated. Give the general action of Stannum. It produces a condition of neurasthenia, complete prostration of nervous system, with accompanying neuralgia, etc. What are the neuralgic symptoms of Stannum ? The guiding symptom to its use in neuralgia is that the pains increase and decrease gradually. Neuralgias of the supra-orbital nerve following intermittent fever. Give the chest symptoms of Stannum. A teasing cough, which is worse at night, with shortness of breath, profuse sweats and great weakness ; the expectoration tastes sweetish and is of a light yellow or lemon color ; this is characteristic. Another characterizing feature is the depression and low spirits accompanying the chest affections. How do Stannum and Phosphorus compare ? Both have hoarseness, both have evening aggravation, both have weak chests, cough, copious expectoration and hectic fever, but Phosphorus has more tightness across the chest and more bloody, or blood streaked, expectoration. What are the female symptoms ? Prolapsus uteri and leucorrhoea, accompanied by great weakness, the patient is so weak that she cannot talk and has to sit down several times while dressing in the morning. How does Stannum act as an anthelmintic ? According to Hahnemann it so stupefies the worms that purgatives would dislodge them at once.