. Quarterly journal of microscopical science. (Slide ]3.) PLATE XVI. „ 1.—Forms assumed by calcic oxalate in gelatin, acetic acid being pre-sent in excess. „ 2.—Oxalic acid in excess of calcium salt. Series constructive offlattened octahedron. „ 3.—Oxalic acid in excess. Series of dumb-bells from calcic end, wherethey are homogeneous and rounded, to oxalic end, where theyare crystalline ( wheatsheaves). „ 4.—Oxalic acid in excess. Octohedra passing into much facettedtablets. ,, 5.—Thinning of tablets on calcic side of plug. „ 6.—Oxalate of ammonium and calcic chloride. Form of wheatsheaf obser
. Quarterly journal of microscopical science. (Slide ]3.) PLATE XVI. „ 1.—Forms assumed by calcic oxalate in gelatin, acetic acid being pre-sent in excess. „ 2.—Oxalic acid in excess of calcium salt. Series constructive offlattened octahedron. „ 3.—Oxalic acid in excess. Series of dumb-bells from calcic end, wherethey are homogeneous and rounded, to oxalic end, where theyare crystalline ( wheatsheaves). „ 4.—Oxalic acid in excess. Octohedra passing into much facettedtablets. ,, 5.—Thinning of tablets on calcic side of plug. „ 6.—Oxalate of ammonium and calcic chloride. Form of wheatsheaf observed in oxalic region of plug. Note, tliat I have, sincethis was drawn, observed similar forms twice in urine. „ 7.—Comparison of forms observed in magnetised plug with thoseformed at the .same time, all other conditions being perfectlyequal, in non-magnetised plug. The large tablet-shaped bodieswere formed in the magnetic arc. „ 8.—Oxalate of copper, as deposited in gelatin. Micr. Jonrn., Vol. XII, , PL Micr. Journ., Vol. XII, , PI. XVI. A 0t> v^y 4^ r/G. It
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