Where are our data concerning Spongia found ? In Hahnemann's Materia Medica Pura . How do we prepare this drug ? A tincture is made from the Turkey sponge roasted brown, in the same manner as that of Sepia is prepared. What is its general sphere of action ? The glandular system and mucous membranes are the special sphere of Spongia . It produces enlargement of the former and inflammation of the latter, especially the mucous membrane of the larynx and trachea. Give the indications or Spongia in orchitis. Where there is hardness and squeezing pains in the testicles and cord, worse from any motion ; great enlargement of the testicles. In acute laryngitis when should Spongia be given ? Where the cough is harsh and barking, where there are suffocative spells during sleep with external sensitiveness to the touch. What are the indications for Spongia in croup ? The breathing is harsh and hard as if the patient were breathing through a sponge ; hard, barking, ringing cough with scanty expectoration ; the cough seems to get tighter every minute ; threatened suffocation. Is Spongia ever indicated in phthisis pulmonalis ; if so, with what symptoms ? Hard, ringing, metallic cough, worse from deep breathing, with a sensation of weakness as if the patient would fall, worse from deep breathing, talking and dry, cold winds ; flashes of heat, which return when thinking of them. What are the heart symptoms of Spongia ? Organic affections, cannot lie on the back with head low without suffocating ; arouses from sleep as if smothering with blowing sounds over some valve. What is the temperament of Spongia ? Fair, light complexion and light blue eyes.