GR A 



INDEX. 



GRE 



GraafF, Regnerus de, on the parts of generation, i. 241, 271 



— on the testicles, i. 392 



Graft, a direction for engrafting apples, ii. 192 



— see Trees. 



Graham, George, biographical account of, vi. 537, • • Note 



— extraordinary height of the barometer, ibid. 



— solar eclipse, London, vi. 604, vii 6l3, viii. 169, 306* 



— variation of the horizontal needle 1722, vii. 27 



— observations with the dipping needle, vii. 94 



— to avoid the irregularity of a clock arising from heat and 

 cold, vii. 129 



— lunar eclipse, London, vii. 6*09 ; viii. 11 6", 147, 714 



— instrument for taking a latitude at any time of the day, 

 vii. 673 



— occultation of Mars by the moon, 1736*, viii. 148 



— transit of Mercury over the sun, 714, ibid. 



— occult, of Aldebaran by the moon, 1738, viii. 470 



— variations of the needle to the westward, ix. 499 

 Graham, Walter, m. d., watery cystises adhering to the 



peritonaeum, viii. 492 

 Grain, like wheat, falling from the sky, iii. 356, .... Cole 

 Gramont, Father, description of the Chinese stove, xiii. 95 

 Granaries, description of several : — at London, i. l6'4 ; at 



Dantzic, ibid.; at Muscovy, ibid. 

 Grand, Antonio Le, biographical notice of, i. 587, . . Note 

 Grandi, Jacomo, anatom. observ., and strange births, i. 435 

 Grandi, Guido, biographical account of, v. 471, ... . Note 



— Nature and Properties of sound, v. 471 



— collection of geometrical flowers, vi. 6*64 



Granite, affinity between it andbasaltes, xvii. 8, ..Beddoes 



Grass in Norfolk destroyed by grubs, ix. 366, Baker 



Grasshoppers, see Cicada, Locusts. 



Graves, John, hatching of chickens at Cairo, ii. 4L3 



Gravity (in general) remarks on, i. 6*11, Borelli 



— laws of, iii. 26l, Halley 



— law of decrease from the centre, iv. 142, Same 



— experiments on falling bodies, v. 6 12, Hauksbee 



— variation of, on the earth's surface, viii. 26, .... Stirling 

 ■ xi. 604, Maskelyne 



— see Attraction, Motion (force of moving bodies.) 

 Gravity (specific) weight of water in water, i. 374, Boyle 



— of various bodies, iii. 138, Oxford Society 



— of a variety of articles, iii. 523 



— of several liquors in winter & summer, iv. 484, Homberg 



— of sev\ bodies, method of ascertaining, v. 481, Hauksbee 



— erroneous idea of Hauksbee respecting, v. 485, . . Note 



— of various oils and other fluids, v. 618, Hauksbee 



— of various metals, v. 6*98, Same 



— the strata of a coal-mine, v. 708, Same 



— of human blood, vi. 415, Jurin 



— of solids, caution in examining, vi. 538, Same 



— of various bodies, vii. 32, Fahrenheit 



• — of various metals, minerals, gems, stones, earths, sul- 

 phurs, gums, woods, animal parts, salts, fluids, &c, 

 tables of, ix. 536, Davies 



— of platinum, x. 98, Note 



— of living men, to ascertain, xi. 71, Robertson 



— of cork in different waters, xii. 204, Wilkinson 



— difference of fresh and sea- water, xii. 207, Same 



— of human bodies, xii. 207, Same 



— of inflammable air, xii. 303, Cavendish 



— various saline bodies, xv. 3, 236, 327, Kirwan 



— of metals, xv. 339, Same 



— on spec gravities at different temperatures, xv. 696, Same 



— of various fossil bodies, xvi. 6*44, ., Mills 



— of fluids, instruts. for ascertaining, xvii. 316, Schmeisser 



— of iron in its different states, xvii. 581, Pearson 



Gravity (specific) of corundum, sapphire, topaz, ruby, and 



diamond, tables of, xviii. 377 , Greville 



Grey, Sir James, discoveries at Herculaneum, x. 551 



Gray, John, of the Peruvian bark tree, viii. 142 



Gray, Stephen, microscope of a drop of water, iv. 97, 166 



— to make concave parabolic specula, iv. 222 



— on enlarging the divisions of the barometer, iv. 269 



— parhelia seen at Canterbury, iv. 367 



— unusual parhelion and halo, 1699, iv. 486 



— of fossils found at Reculver Cliff", iv. 549 



— to draw the meridian line by the pole star, ibid, and 56$ 



— observation of spots in the sun, v. 78 



— electrical experts, vi. 490, vii. 449, 513, 539, 566, viii. 2, 



51, 110 



— instrument for taking levels, vii. 50 



— catalogue of electrical bodies, vii. 539 



— solar eclipse in Kent, 1733, vii. 6l4 



— motion of pendulous bodies by electricity, viii. 65 

 Gray, Edw. W, m.d., biographical notice of, xvi. 407,Note 



— on increasing the electricity of glass, xvi. 407 



— on Linnseus's class of amphibia; on the means of distin- 



guishing serpents that are venomous, xvi. 521 



— an earthquake in various parts of England, 1795, xviii. 31 

 Greaves, John, biographical notice of, iii. 192, Note 



— experiments on the force of great guns, ibid 



— latitude of Constantinople and Rhodes, iii. 255 



— object. toMr.Dee's plan of reforming the Calendar, iv.437 

 Greatrix, Mr., cures performed by stroking, iv.427, Thoresby 



Grebe (bird) account of the, xiii. 347, Forster 



Greece, observations on a journey through, ii. 284, Vernon 

 Greek, see Money, Coins, Inscriptions. 



Green, Chas. astronom. observ. in the South Sea, xiii. 174 



— transit of Venus, 1769, at Otaheite, xiii. 175, 177 

 Green, John, m.d. of a girl who was for a quarter of an 



hour under water without drowning, viii. 337 ■ 



— of Egede's Nat. Hist, of Greenland, viii. 722 

 Greene, Dr., death of, by a fracture of the os pubis, ix. 370, 



Cameron 

 Greenhill, Thomas, four extraor. surgical cases, iv. 504 



— of a scirrhous tumour, in the breast, v. 237 

 Greenland, on the natural history of, viii. 722, .... Egede 

 Greenwich, latitude and longitude of, xvi. 218, Maskelyne 



— method of determining its relative position with Paris, 



xvi. 240, Roy 



Greenwood, Isaac, on meteorol. observ. at sea, vii. 225 



— effects and properties of damps, vii. 365 



— aurora borealis in New England, vii. 463 



Gregory, David, biographical account of, iii. 79, . . ..Note 



— solution of the Florentine problem of Viviani, iii. 609 



— defence of Mr. James Gregory as the inventor of the 



transformation of curves, iii. 673, v. 328 



— properties of the catenarian curve, iv. 184, 456 



— eclipse of the sun, Sept. 13, l6'99, iv- 426 



— quadrature of the lunula of Hippocrates, iv. 453 



— on Cassini's orbit of the planets, v. 152 



Gregory, Rev. E., observ. of a comet, Jan. 1793, xvii. 294 

 Gregory, James, biographical account of, i. 232,. . . . Note 



— reply to the animadversions of Huygens on his book 



" De circuli quadratura," &c. i. 26*8, 319 



— see Gregory, (David) 



Gregory, W , a pin taken from a child's bladder, viii. 239 



— foetus resembling a hooded monkey, viii. 503 

 Grischow,AugustineNathaniel, lunar circle, and paraselenes, 



observed at Paris, ix. 567 



— solar eclipse, 1748, ix. 56*8 ; 1750, x. 9 



Greville, Hon. Charles, of the corundum stone from Asi% 

 xviii. 356 



