84 



PLA 



INDEX. 



PLI 



Pike , of glands in the stomach of a, iii. 7 1 / Musgrave 



Pile engine, theory of pile driving, xiv. 498, Bugge 



Pimenta, description of the tree, iii. 425, Sloane 



Pin, of a pin in a fowl's gizzard, v. 240, Regnart 



— found in the appendix coeci, viii. 89, Amyand 



— swallowed and discharged at the should., xii. 590, Lysons 



Pine apples, on the culture of, xir. 224, Bastard 



Pinelli, Mich., on the causes of gout, vii. 254 



Pingre, Alex. Guy, biographical account of, xii. 117, Note 



— transit of Venus over the sun, 176l, xi. 595 



— sun's parallax from the above transit, xii. 117 



— transit of Venus, 17^9, West Indies, xiii. 81 

 Pintado, anatomy of the, iii. 392 



Pitcairn, Robert, biographical account of, iv. 46, .... Note 

 Pitch, oil &c, extracted from a sort of coal, lv.l6S, .... Ele 



— method of making near Marseilles, iv. 302, Bent 



— phosphoric nature of, v. 509, Hauksbee 



Pitkeathly, of the salt purging water at, xiii. 271, . . Monro 

 Pitt, C.j m. D.,merc. injected into the jugulars of a dog, iv. 2/3 



— on the motion of the stomach and guts, iv. 300 



Pitt, Edmund, of the sorbus pyriformis [domestica] ii. 434 

 Pitt, Robt., M. u., of lumbago rheumatica convulsiva, iii. 621 

 Placenta, of a tumour in the human, xviii. 338, .... Clarke 

 Plague, observs. and experts, on the pus of, ii. 491, Alprunus 



— at Dantzic, 1709, account of, vi. 23, Gottwald 



— on the quarantine necessary, ibid, Note 



— at Copenhagen, 17 1 1, vi. 75, Chamberlayne 



— at Constantinople, vi. 450, Timoni 



— inoculation with syphilis noprotection against, vi. 452, Note 



— observations on bodies dead of, vi. 559, Deidier 



— causes of pestilential diseases, ix. 4, Seehl 



— at Constantinople, letters concerning, x. 239, 242, 2S3 ; 



general remarks, xii. 102, Mackenzie 



— answer to a query respecting, x. 580, Parsons 



— at Aleppo, 1758, &c, some account of, xi. 686, . . Dawes 



— times of its appearance and disappearance at Constan- 



tinople, in the years 1748 to 1761, xii. 108, Mackenzie 

 Plane, a clock ascending on an inclined, ii. 439, De Gennes 



— ascent of orange-oil between glass planes, v. 659, 679> 



Hauksbee 



— of spirit of wine between glass planes, vi. 40, 41, Same 



— of water between glass planes, vi. 40, Same 



Planets, on Cassini*s method of finding their apogees, eccen- 

 tricities, and anomalies, i. 424, Mercator 



— discovery of 2 new ones about Saturn, ii. 50, . . Cassini 



— aphelia, eccentricities, &c. of, ii. 326, Halley 



— theory of their motion, v. 12, Gregory 



— on Cassini's orbit of, v. 152, Same 



— solution of Kepler's prob. on the motion of, vi. 1, Keill 

 . — to find the places of, by the stars, vi. 530, Halley 



— inquiry into the figure of, viii. 207, Clairaut 



— contraction of the orbits of, x. 16, Euler 



— of the irregularities in the motions of, xi. 579, Walmesley 



— observations of their rotation, xv. 50, Herschel 



— see particular Planets in their Places. 



Planks, to bend by a sand-heat, vi. 577, Cay 



Planman, transit of Venus, 176l, xi. 56*5 



— parallax of the sun by a new method, xii. 521 



Plant, Rev.M., earthquakes in New Eng., 1727-41, viii. 552 

 Planta, Jos., account of the Romansh language, xiv. 7 

 Plants, observations on the roots of, i. 317, Tonge 



— healing quality of the asphodil, ii. 228, .... Mackenzie 



— catalogue of plants at Tangier, iv. 85, Spottswood 



— from Maryland, a catalogue of, iv. 326, Petiver 



— of several in Jamaica, iv. 362, Sloane 



— »f the East Indies, presented to the r. s., iv. 501 



— to discover the virtues of, by the tastes, iv. 676,. . Floyer 



— of water- weeds, and auimalcula on, v. 6, 52, Leuwenhoek 



Plants, on the same subject, v. 74 



— seminal use of the flower of, v. 68, Morland 



— of animalcula on duck-weed, v. 175, .... Leuwenhoek 



— growing in Cornwall, v. 702, Lhuyd 



— description of the genus araliastrum, vi. 314, . . Sberrard 



— discovery of their virtues by the structure, vi. 459, Blair 



— observations of the generation of, vi. 534, Same 



— of the musa family, vii. 422, Same 



— impregnation of the seeds of, viii. 57, Logan 



— botanical description of several, viii. 358, .... Moehring 



— a perfect plant discovered in the seed, viii. 429, . . Baker 



— Haller's methodus plantarum, viii. 657, 



— letter on the sex of, x. 1 76, Mylius 



— observations on the sex of, x. 177, Watson 



— unnoticed in Ray's synopsis, x. 250, Same 



— remarks on the sleep of, x. 197, Pulteney 



— enumeration of plants that sleep, x. 198 



— description of the nolana prostrata, xi. 708, Ehret 



— microscopical observations of the sexes of, xii. 248, Stiles 



— a rare plant of the isle of Skye, xii. 642, Hope 



— of plants indigenous in England, xiii. 171, ... . Waring 



— of the brownaea genus described, xiii. 419, Bergius 



— on the fructification of submersed plants, xviii. 68, Serra 



— see Trees, Vegetables. 



— see also, Acmella, Alga, Aloe, Amomum, Aphvllon, 



Arachidna, Araliastrum, Arbutus, Averrhoa, Benjamin- 

 tree, Bidetis, Box, Bread-fruit tree, Broxcmca, Byssus, 

 Cabbage-bark tree, Cacao-tree, Centaurea, Cereus, Chlo- 

 ranthus, Cinnamon, Coffee-tree, Cinchona } Croton,Cy anus, 

 Cyprus, Dentaria, Dittany, Bog Mercury, Elder, Faba 

 St. Ignatii, Fern, Gardenia, Ginseng, Halesia, Hemlock, 

 Henbane, Holly, Hypnum, Indigo-pLmt, Iris, Jasmint, 

 Lauro-cerasus, Lily, Mackenboy, Maize, Mallow, Man- 

 grove, Manchenille, Mamiracum, Mango, Mangostan , 

 Monkshood, Moxa, Mulberry, Musa, Mushroom, Ka- 

 pellus, Nolana, Ni;ctanthes, Oak, CEnanthe crocata, 

 Ophrys, Opuntia, Osteocolla, Oxyoides, Pareira brava, 

 Pimenta, Protea argentea, Rheum palmatum, Rhus, Sal- 

 vadora, Soap-tree, Sorbus, Sphondylium, Spikenard, 

 Starry -anniseed, Sugar-cane, Sun-plant, Tobacco, Toxi- 

 codendron, Willow. 



Plants from Sir Hans Sloane's garden, presented to the r. s., 

 by the apothecary's company, v. 659, 667; vi. 17, 

 155, 168, 198, 637; vii. 27, 85, 155, 191, 321, 

 377, 442, 513, 577, 631 ; viii. 1, 54, 113, l60, 2/8, 

 385, 424, 725, ; ix. 30, S2, 128, 251, 370, 635 ; x. 

 7, 18, 29, 176, 242, 34), 456, 579, 706; xi. 124, 

 246, 338, 473, 530,6*15,685; xii. 115,203, 347, 

 478, 56*1, 667; xiii. 91, 173, 370, 530 



Plants (Chemistry) remarks on the alkalizate of, ii. 124, 

 158, 16*6, Coxe 



Platina, account of, on its first discovery, x. 98, Brownrigg 



— specific gravity of, x. 98, 499, Note 



— notice of Dr. Lewis's experiments on, x. 103, .... Note 



— analytical and chemical experts, on, x.495, xi. 97, Lewis 



— chemical experiments on, xiv. 40, Ingenhousz 



— of the action of nitre on, xviii. 139, • • • • Tennant 



Piatt, Joshua, a curious spheroidal stone, x. 77 



— fossil thigh-bone of a large animal, xi. 204 



— origin and formation of belemnites, xii. 9' 



Piatt, Thos., experiments on the poison of vipers, ii. 8 

 Plaxton, Rev. George, of the parishes Kinnardy and Do- 



nington, v. 357 

 Playfair, Rev. John, arithm. of impossible quant, xiv. 356 

 Pleurisy, an infectious and periodical, iii. 1 19, .... Bonnet 

 Plica Polonica, case of, and the cause, vii. 462, .... Vater 



— further account of, vii. 572, Klein 



— account of the woman having the, ix. 356, Ames 



