[769] Dr. Stœver, in his Life of Linnæus, vol. i. p. 360, says that the manuscript containing this secret was in the possession of Dr. J. E. Smith, at London.—Trans.
[770] In his Letters, p. 104.
[771] This pretty plant, named after the father of botany, grows in Northumberland and some woods in Scotland, also in Switzerland, Siberia, and Canada, but particularly in Norway and Sweden, in shady places amidst the thick woods. The flowers, which appear in May, June and July, are shaped like a bell, rose-coloured without, yellowish in the inside, and somewhat hairy. They have a pleasant smell, especially in the evening. In Tronheim and the neighbouring parts they are drunk as tea for medicinal purposes.
[772] Pearl. An excrescence on the inside of a shell when the outer side has been perforated.
[773] See Chemnitz’s theory of the origin of pearls, in the Beschäftigungen der Berlin. Naturforsch. Gesellschaft, i. p. 348.
[774] The animal part is rendered evident on distillation by the evolution of an ammoniacal odour and a somewhat inflammable oil; and on solution in muriatic acid the animal substance is left behind.
[775] Abhand. der Schwed. Akad. iv. p. 245, and xxi. p. 142.
[776] Fabricius, in his Letters, p. 105, mentions such an experiment, which was however continued only for a year.
[777] Exercitatio Anatom. de Cochleis. Lond. 1694, p. 183.
[778] This manner of preparing margaritini may be seen in my Anleitung zur Technologie, p. 307.