Phosphorus irritates, inflames and degenerates mucous membranes, irritates and inflames serous membranes, inflames spinal cord and nerves, causing paralysis, destroys bone, especially the lower jaw and tibia; disorganizes the blood, causing fatty degeneration of blood vessels and every tissue and organ of the body and thus gives rise to haemorrhages, and haematogenous jaundice. Produces a picture of destructive metabolism. Causes yellow atrophy of the liver and sub-acute hepatitis. Tall, slender persons, narrow chested, with thin, transparent skin, weakened by loss of animal fluids, with great nervous debility, emaciation, amative tendencies, seem to be under the special influence of Phosphorus. Great susceptibility to external impressions, to light, sound, odors, touch, electrical changes, thunder-storms. Suddenness of symptoms, sudden prostration, faints, sweats, shooting pains, etc. Polycythemia. Blood extravasations; fatty degenerations, cirrhosis, caries, are pathological states often calling for Phosphorus. Muscular pseudo-hypertrophy, neuritis. Inflammation of the respiratory tract. Paralytic symptoms. Ill effects of iodine and excessive use of salt; worse, lying on left side. Tertiary syphilis, skin lesions, and nervous debility. Scurvy. Pseudo-hypertrophic paralysis. Ataxia and adynamia. Osteo myelitis. Bone fragility.