An acid, discovered by Scheele, in sour milk, the result of spontaneous fermen- tation of sugar of milk under the influence of casein. It is also met with in many vegetable products which have turned sour. Introduced by Reisig, whose loth dilution was first proved by Swan. Subse- quent provings by Fincke (30th), Allen, (pure acid, 30th dil.), and Swan (200th). See N. Am. J. of Hom., 1871, and N. Y, J. of Horn., vol. 1, p. 337. CiiiNiCAii Authorities. — Diabetes melUtus, Kirkland, U. S. Med. Inv., Aug., 1875, p. 166; (2 cases) Kitchen, Eaue's Rec, 1874, p. 213; Cantani, Primavera, Eaue's Rec, 1874, p. 213; Morning sickness during pregnancy, Swan, Hah. M., vol. 6, p. 74; Williamson, Raue's Rec, 1872, p. 12; Foot sioeat, Schmucker, Raue's Rec, 1874, p. 17 ; Swelling of bone, H. K., vol. 22, p. 10. ^ Mind. I I Great discouragement. ^Pregnancy. Averse to business or what formerly was pleasant to do ; lazy ; dislikes to read or think ; finds fault, is sarcastic, exacting. I I Memory affected; cannot remember a thing an hour after it has happened. ^ Sensorium. Vertigo : when turning head suddenly ; on stooping. Sensation as if blood was trickling down from front to back part of head, at 8 p.m. Head feels very large, confused, as if tossed on a rough sea ; nausea like seasickness. Congestion, as if blood would burst out at forehead or