LON 



INDEX. 



LUG 



65 



Lloyd, John, account of Elden Hole, Derbyshire, xiii. 137 



— of an earthquake near Denbigh 1781, xv. 115 



— of an earthquake in Wales 1782, xv. 353 



— discovery of native gold in Ireland, xvii. 677 



Lloyd, Phil., m. d., diseases of Russians, Poles, &c, iv. 420 

 Load-stone, a large one dug in Devonshire, i. 149, Cotton 



— power of, at different distances, v. 696, .... Hauksbee 

 6ee Magnet, &c. 



Loam, account of what is called Windsor loam, ix. 337, Hill 

 Loblolly-bay [gordonia lasianthus] descrip. of, xiii. 84,Ellis 

 Lobster, dissection of an hermaphrodite, vii. 398, Nicholls 



Loch Ness, history and antiquities of, iv. 398, Fraser 



Lock, John, biographical account of, v. 207, Note 



— of a man with horny excrescences, iv. 176 



— register of the weather at Oates, v. 206 



— water-spout in Cumberland, x. 18 



— books and mss. found at Herculaneum, x. 586 



— Roman inscriptions at Tunis, xii 4 



Locke, Mr. — , an extraord. memory for calculation iv. 600 



Locus, for three and four lines, xii. 60, Pemberton 



Locusts, an extraordinary swarm in Languedoc, hi. 319 

 in Wales, iii. 6'19, . • Floyd 



— in Wallachia, Moldavia, &c, in 1748, ix. 629 



— description of the cicada rhombea, xii. 98, Felton 



septendecim, xii. 100, Collinson 



Lodwicke, Francis, essay for an universal alphabet, iii. 310 



, — 1 — — — primer, iii. 314 



Logan, J., on Godfrey's improve, of Davis's quadr., vii. 669 



— impregnation of the seeds of plants, viii. 57 



— cause of the angular shape of lightning, viii. 68 



— apparent difference in the size of the sun and moon, near 



to, and at a distance from, the horizon, viii. 112 

 Logarithms, construction of, iv. 18, Halley 



— analogy of logarithmic tangents to the merid., iv. 68, Same 



— general method of making, v. 609, Craig 



— method of making, vi. 80, Long 



vi. 304., Taylor 



— construction of, on Gunter's scale, x. 338, . . Robertson 



— and infinite series, x. 396, Dodson 



— construction of, xiii. 190, Jones 



— problems on interpolations of, xiv. 483, Waring 



— theorems for computing, xiv. 6*82, Hellins 



— arrangement of, on graduated lines for instruments, xvi, 



262, Nicholson 



— impiov. of Mr. Jones's computation of thelog. 10, xvii. 699 



Emerson's xvii. 702 



Logarithmic curve, on the quadrature of, iv. 318, .... Craig 

 Logarithmic tangents and secants, on the method of com- 

 puting tables of, and on their discovery, i. 69, .... Note 



London, magnitude compared with Paris, iii. 320, 342, Petty 

 vii. 229, ..Davall 



— remarks on the population of, \iii. 257, Maitland 



— heat of London and Edinburgh comp., xiii. 6S5, Roebuck 



— the number of its inhabitants compared with the actual 



natives, xv. 123, Bland 



— see Mortality, (Bills of.) 



London-Bridge, of the water-works, vii. 442, ... Beighton 

 Long, John, method of making logarithms, vi. 80 

 Longevity, of inhabitants of the Bermudas, i. 284, Stafford 



— account of Thos. Parr, i. 319, Harvey 



— some aged persons in North of England, iii. 48, . . Lister 



— account of Henry Jenkins, iv. 92, Robinson 



of John Bayles, v. 299, Keill 



— in two parishes in Shropshire, v. 357, Paxton 



■ — of two sisters in Yorkshire, vi. 45, Richardson 



— dissection of a person aged 109, vi. 652, . . Scheuchzer 



— instances of, vii. 213, Degg 



Longfield, John, m. d., astrono. observ. at Cork, xiv. 511 



Longitude, success of pendulum watches for the, i. 7, 

 Holmes ; on the use of them, i. 343, Huygens 



— observations of the moon and occulted stars for, vi. 308 



— observed by falling stars, vii. 207, Lynn 



— proposal for finding at sea, vii. 501, Halley 



— lunar method of discovering at sea, xi. 636, Maskelyne 

 xi. 641, De la Lande 



— practice of the lunar method at sea, xii. lrJl, . . Horsley 



— method of measuring degrees of, xii. 291, .... Mitchell 



— to determine by eclipses of Jupiter's sat. xii.352,Wargentin 

 Longitude (of places) of Moscow, iii. 421, . . Timmerman 



— Pekin, iv. 233, Cassini 



— Canton, iv. 318, Same 



— Cambridge in New England, v. 149, Brattle 



— Magellan Straits, vi. 112, Halley 



— of the Cape of Good Hope, vi. 41 5, Same 



vi. 415, Note 



— Buenos Ayres, vi. 549, Halley 



— Port Royal in Jamaica, vi. 619, Same 



— Carthagena in America, vi. 620, Same 



— New York, vii. 49, Burnet 



— Lisbon, vii. 141, Bradley 



— New York, vii. 142, Pound 



— of Toulon, vii. 1 44, Laval 



— of several places compared, vii. 335, Derham 



— Hudson's Bay with London, viii. 147, Bevis 



— difference of London and Lisbon, x. 462, Short 



and Paris, xi. 649, . . De la Lande 



Greenwich and Paris, xi. 713, .... Short 



— of St. John's Newfoundland, xii. 156, Winthrop 



— Hudson's Bay, xiii. 32, Wale* 



— King George's Island, xiii. 175,. .... Green and Cook 



— of Judda, xiii. 287, 289, Newland 



— difference of London and Paris, xiv. 131, . . Wargentin 



— of Louvain and Brussels, xiv. 401, Pigott 



— Cork, xiv. 511, Maskelyne 



— Cambridge, New England, xv. 156, Willard 



— York, xvi. 145, Pigott 



— the royal observatory, Greenwich, xvi. 236, Maskelyne 



— of places deduced from a solar eclipse, xvi. 529, • • Piazzi 



— of some places near the Severn, xvi. 709, Pigott 



— of Dunkirk and Paris from Greenwich, xvii. 67, Dalby 



— of various places in Denmark, xvii. 353 Bugge 



Looseness, on the use of ipecacuanha for, iv. 237, • . Sloane 



Lophius, (fish) description of the, xi. 717, Ferguson 



Lord, Rev. Thos , of worms living when cut asunder, viii.6'92 

 Lorimer, J., of a new dipping-needle, xiii. 593 



Lotteries, on the chances of, iii. 517, Roberts 



Loughs, see Ireland. 



Lough Neagh, petrifying quality of, iii. 23, 105, Molyneux 



iii. 195, Smyth 



observations on, vi. 67, Nevill 



— of the petrifactions of, ix. 282, Simon 



Louisiana, description of, iii, 153, Henepin 



Lovell, Lord, meteor at Holkham, 1741, viii. 604 



Lower, Rich., m. d., biograph. account of, i. 197,. . . . Note 



— on the respiration of a wind-broken horse, i. 197 



— experiment of transfusion on a human subject, i. 203 



— an undescribed blemish in a horse's eye, i. 216 

 Lowther, Sir Jas., foul air extracted from a coal-pit, vii. 6l2 

 Lowthorp, J., experiment on the refraction of air, iv. 432 

 Luc, John Andrew de, a new hygrometer, xiii. 469 



— his rule for measuring heights by the barometer adapted 



to the English measure, xiii. 520, Maskelyne 



— depths of the mines of Hartz by the barom. xiv. ISO, 574 



— essay on pyrometry and areometry, xiv. 387 



— on hygrometry, xvii. 1, 111, 260 



— on evaporation, xvii. 259 

 I 



