1 . Hydrogenoid constitutions ; subjects with sycotic history. 2 . Depression ; lively music saddens ; satiety of life ; irritability, especially when spoken to ; inability to think. 3 . Mental traumatism ; mental effects of blow on the head, etc. 4 . Catarrhs of mucous membranes with free discharge of greenish-yellow muco-pus ; sometimes bloody. 5 . Diarrhoeas, especially chronic ; on first rising and moving about in a.m. ; sudden urging, gushing, with much flatus ; fluid, yellow stools ; < after vegetables and farinaceous foods. 6 . Loose coughs with soreness and pain through left chest especially lower lobe left lung ; > sitting up and holding chest with both hands. 7 . Spinal meningitis with violent crushing, gnawing pain at base of brain ; delirium ; opisthotonos. 8 . Rheumatic complaints in sycotic or hydrogenoid patients always < damp ; restless, must change position but little or no > . 9 . Warty growths on skin and mucous membranes ; granules on eyelids like small blisters. 10 . Modalities ; < all forms of damp ; sea air ; by day ; lying left side ; > open air.