“ I. . By James Edward Smith, M.D. F.R.S. President of the Linnean Society Page 1 II. Observations on some extraneous Fossils of Switzerland. By Mr. Tingry, Foreign Member of the Linnean Society, Demonstrator of Chemistry and Natural History at Geneva, &c. p. 57 III. Observations on the Phalæna Bombyx Lubricipeda of Linnæus, and some other Moths allied to it. By Thomas Marsham, Esq. Secretary to the Linnean Society p. 67 IV. Descriptions of four Species of Cypripedium. By Richard Anthony Salisbury, Esq. F.R.S. Fellow of the Linnean Society p. ”