58 



I VO 



INDEX. 



JOI 



Intromsception, dissection of an extraor., xvi. 119, Lettsom 

 Inundatiou, an extraor., in the Mauritius, iv. 297, Witsen 



— account of two in Ireland, v. 485, Derham 



— an extraordinary, in Cumberland, x. 18, Lock 



Ipecacuanha, on the use of for loosenesses, iv. 237 



— remarks on the above, iv. 239. Sloane 



— of the different sorts of, vii. 356, Douglas 



— observations on, ix. 126, Gmelin 



— asthma caused by the effluvia of, xiv. 18, Scott 



Ippolito, Count, earthquake in Calabria, 1783, xv. 383 

 Ireland, of the bogs and loughs in, iii. 142, King 



— immense horns found, and other natural curiosities, 



iv. 156, Molyneux 



— formerly more populous, v. 406, . . Archbp. of Dublin 



— of the natural hist, and antiquities of, v. 694, 700, Lhwyd 



— strata and volcanic appear, in the north of, xvi. 639, Mills 



— see Population, Bogs, Giant's Causeway. 



Iris (nat. hist.) of an oddly figured iris, ii. 180, . . . .Lister 



Iris (meteorology) see Rainbow. 



Iron, effect on, by the air of the sea, i. 173 



— found in common brick earth, i. 622 



— experiments on the polarity of, iii. 674 



— to give a copper colour to, iv. 303, Southwell 



— of an ideot who swallowed, v. 433, Amyand 



— increase of polarity by remaining long in one place, vi. 576, 



Leuwenhoek 



— of the mines in Cornwall, vii. 248, Nicholls 



— to give magn. virt. to, without a loadstone, vii. 540, Marcel 



— the melting of, with pit-coal, ix. 305, Mason 



— a mountain of, at Taberg in Sweden, x. 564, . . Ascanius 



— observations on sand- iron, xi. 689, Home 



-— solubility of, by fixed air, xii. 633, Lane 



— a specimen of native, from Siberia, xiii. 569, • • • • Stehlin 



— remarks on the iron-ore of Siberia, xiv. 99, Pallas 



— a mass of native, found in S. America, xvi. 369, ■ • Celis 



— appearances on the conversion of cast into malleable, 



xvii. 47, 209, Beddoes 



— polarity of iron-filings, xvii. 145, Bennet 



— experiments on the nature of wootz, xvii. 580 . . Pearson 



— properties of iron in its different states, xvii. 588, . . Same 



— see Steel. 



Iron works, in the forest of Dean, ii. 418, Powle 



— in Lancashire, iii. 523 Sturdy 



Irritability of animal fibres, experts, on, x. 6l3, Brocklesby 

 Irreducible case, see Cordon. 



Ironside, Lieut. Col. culture and uses of the sun-plant of 

 Hindostan, xiii. 505 



— manufacture of paper from the sun-plant, xiii. 506 



Ischia, the volcanic origin of, xii. 593, Hamilton 



Isinglass, method of manufacturing, xiii. 36*1, . . . .Jackson 

 Island, a new raised, in the Archipelago, v. 407, • • • • Sherard 



— a new volcanic, near Santorini, v. 446,. . . . Bourgignon 



— of the same, and phenomena attending it, v. 6*47, Goree 



— sunk, recovered from the sea, vi. 423, . . Chamberlayne 



— a new volcanic, near Tercera, vi. 584, Forster 



— on the formation of islands, xii. 454, Dairymple 



Isle, Jos. N. de, see Dclisle. 



Isnard, Mons., management of silk-worms, i. 30 

 Isoperimetrical probl., resolution of, x. 560, xi. 238, Simpson 

 Isthmus, remarks on the probable existence, formerly, of one 

 between Calais and Dover, iv. 6l 8, 637, Wallis 



— inquiry on the same subject, vi. 293, Musgrave 



Istria, observations in a tour through, ii. 284 Vemon 



Italy, state of learning in, iv. 506, Silvestre 



— remarks on a tour through, x. 52, More 



Itch, of the animalcula which produce it, v. 1, , Mead 



Ivory, microscopical observations on, ii. 438, . . Leuwenhoek 



Jackal, similarity, in species, to the wolf and dog, xvi. 562, 



Hunter 

 Jackman, Rev. J., on the rule for finding Easter, v. 250 

 Jackson, Humphrey, biog. account of, xiii. 362, . . Note 



— method of making isinglass, ibid 



Jackson, Wm., m. d., way of making salt, and description 



of the springs at Nantwich, i. 397, 405 

 Jacob, Mr., elephant's bones in the Isle of Shepey, x. 489 

 Jaculator Fish, [chaetodon rostratus] desc, xii. 110,Schlosser 



account of, xii. 321, Hommel 



Jamaica, of the alligators at j tortoises ; chegoes ; shining 

 flies ; manchenille apple, &c. i. 295, Norwood 



— of a hot mineral spring at, iv. 79 Beeston 



— of several plants of, iv. 362, Sloane 



— observations on natural history of, vi. 368, .... Barham 



— longitude of Port-Royal, vi. 619, Halley 



— temperature of springs and wells at, xvi. 377,. . Hunter 

 James, Rob., m. d., biographical account of, viii. 69, Note 



— experiments with mercury for cure of mad dogs, ibid 

 Jamineau, Isaac, eruption of Vesuvius, 1754, x. 563 

 James's powder, analytical exper. on, xvii. 87,. . . . Pearson 

 Japan, natural history, arts, manners, &c. of, i. 365 



— method of curing several diseases, ii. 633 



— journal of a residence at, xiv. 634, Thunberg 



Japan-varnish, manufacture and use of, iv. 299 



Jardine, Lieut., transit of Venus and solar eclipse, 1769, 



Gibraltar, xii. 657 

 Jartoux, Father, description and virtues of ginseng, vi. 56 

 Jasper, result of an experiment of melting, i. 620,. . Becher 

 Java, sexual intercourse at an early age at, iv. 298 

 Jaundice, case of, which afFected the vision, iii. 652, Briggs 



— by a stone obstructing the bil. duct, v. 292, . . Musgrave 



— communicated in coitu, ix. 686, Cooke 



Jaw, loss of part of the bone supplied by a callus, viii. 326, 



Sherman 



— locked jaw after a slight contusion, xii 201,Woolcombe 



— locked jaw cured by electricity, xii. 391, Spry 



Jeake, Samuel, elements of shorthand, ix. 5l6 



Jeaurat, Mr., descrip. of an iconantidiptic telescope, xiv. 501 

 Jenkins, Hen., aged 169 years, account of, iv. 92, Robinson 



— on the great age of, iv. 167, Hill 



Jenkins, Samuel, machine for grinding lenses, viii. 451 

 Jenner, Edward, m. d , nat. hist, of the cuckoo, xvi. 432 

 Jenty, Nich., case of the cohesion of the intestines, xi. 215 

 Jernegan, Charles, m.d., cystis of water in the liver, ix. 108 

 Jessamine, change of colour in the blossom of, vi. 489, Cane 

 Jessop, Mr., different sorts of damps, ii. 224 



— extraordinary worms voided at the mouth, ii. 225 



— remarks on fairy circles, ibid 



— on damps of mines, ii. 244 



Jessop's Well, virtues of the water, x. 48, ........ Hales 



Jesuits, succesion of earthquakes at Brigue, x. 707 



— solar eclipse, 1764, at Rome, xii. 150 



Johannes, F., medicin. virtues of the ignatia amara, iv. 356 

 Johnson, Mau., earthquake at Scarborough, 1737, viii. 514 



— a new metalline thermometer, ix. 459 



Johnson, Sir Wm., of the languages, manners, &c. of the 



North American Indians, xiii. 407 

 Johnston, — , m. d., of gold colour, stones in the blad. ii. 125 

 Johnstone, James, m. d., biog. account of, xi. 211,. . Note 



— two extraordinary cases of gall-stones, ibid 



— on the use of the ganglions of the nerves, xii. 123, xiii. 8 



— of a foetus with an imperfect brain, xii. 404 

 Johnstone, , m. d., of the earthquake of 1795 as felt 



at Worcester, xviii. 31 

 Jointed worm, see Lumbricus latus. 



