_Layard_, Daniel Peter, M. D. his account of an extraordinary case of a diseased eye, p. 747. ---- Daniel Peter, M. D. his discourse on the usefulness of inoculating the horned cattle, p. 528. _Leprous_ persons in the isle of Guadaloupe, account of a visitation of them, p. 38. _Lestwithiel_, in Cornwall, effects of lightning upon the church and steeple there, p. 198. _Lewis_, William, M. B. his experimental examination of Platina, Paper V. and VI. p. 148, 156. _Lichen_, memoir concerning it, p. 652. _Light_, some experiments concerning its different refrangibility, p. 733. _Lightning_, its effects upon the church and steeple of Lestwithiel in Cornwall, p. 198. _Limax_ non cochleata, observations on it, p. 585. _Lime-water_, its lithontriptic virtue, p. 386. _Limpet-Fish_, found at Bermuda, account of it, p. 859. _Linnæus_, his account of the faculty called Vigiliæ Florum, with an enumeration of several plants subject to that law, p. 506. _Lingfield_, in Surry, account of an earthquake felt there, Jan. 24, 1758, p. 614. _Looe_, effects of a storm of thunder and lightning there, June 27, 1756, p. 104. M _Maps_, Geographical, the best form of them, p. 553. ---- and Charts, a short dissertation on them, p. 563. _Magnetism_, and Polarity, given to brass, p. 774. _Malverne_ waters, their good effects, p. 23. _Memoir_, an historical one on the genus of plants called Lichen, Usnea, Coralloides, and Lichenoides, p. 652. _Men_, living, essay towards ascertaining their specific gravity, p. 30. _Milles_, Jeremiah, D. D. letters to him, with accounts of the effects of thunder and lightning at Looe and Lanreath, June 27, 1756, p. 104. ---- ---- ---- his account of the Carlsbad mineral waters in Bohemia, p. 25. _Miller_, Mr. Philip, concerning the effects of a storm at Wigton in Cumberland, p. 194. ---- ---- ---- his remarks on a letter of Mr. John Ellis to P. C. Webb, Esq; printed in Phil. Trans. vol. xlix. part ii. p. 806.--p. 430. _Mitchell_, Sir Andrew, his account of an extraordinary shower of black dust, that fell in the Island of Zetland, Oct. 20, 1755, p. 297. _Mixtures_, effervescent, strange effects of some, p. 19. _Moffat_, in Annandale, a new medicinal well lately discovered there, p. 117. _Mortification_, remarkable efficacy of the bark in one, p. 379. _Mount’s-Bay_, account of some trees discovered underground on the shore there, p. 51. _Mounsey_, James, M. D. his account of the strange effects of some effervescent mixtures, p. 19. _Mountaine_ and Dodson, tables of the variation of the magnetic needle by them, adapted to every five degrees of lat. and long. in the more frequented oceans, p. 329. ---- Wm. his dissertation on maps and charts, p. 563. _Murdoch_, Patrick, his description of the best form of geographical maps, p. 553. ---- ---- his trigonometry abridged, p. 538. _Munckley_, Nich. M. D. his account of the extraordinary efficacy of the bark in the delirium of a fever, p. 609. N