ELL 



INDEX. 



EPI 



39 



Electricity, on electrifying of glass, xvi. 407, Gray 



— of an instrument for collecting it, xvi. 449, • • • • Cavallo 



— conversion of airs into nitrous acid by, xvi. 451, Cavendish 



— an electric machine without friction, xvi. 505, Nicholson 



— experiments and observations in, xvi. 599> Same 



— journal of atmospheric, and instru., xvii. 52, 207, Read 



— observ. with his doubler of electricity, xvii 422,. . Same 



— method of producing air from water by electrical dis- 



charges, xviii. 104, Pearson 



— its effects on muriatic acid gas, xviii. 642, Henry 



— for other papers of Dr. Franklin see Lightning. 



— see also Electrometer, Glass, Attrition, Phosphorus, Gal- 



vanism, Conductors. 



— also Gymnotus Elect rictus, Torredo, Tetrodon Elect rietis. 

 Electricity (Medical) a discovery in, ix. 494, .... Winkler 



— experiments in, ix. 497, ? Baker 



— diseases in which it is useful, x. 229, Bohadsch 



— account of Bianchini's treatise on, x. 242, .... Watson 



— experiments in the hospital at Shrewsbury, x, 534, Hart 



— cure of a paralytic arm by, x, 701, Same 



— cure of palsy by, xi. 163, 26*2, Brydone 



— efficacy in paralytic cases, x. 189, Franklin 



— case of palsy cured by, xi. 372, Himsel 



— effect of, applied to a tetanus, xi. 679, Watson 



— locked jaw and palsy cured by, xii, 391, Spry 



— cure of muscular contraction by, xiv. 302, . . Partington 



— cure of St. Vitus's dance by, xiv. 476, Fothergill 



— see Galvanism. 



Electrometer, a new one invented by Mr. Lane, xii. 475 



— account of Mr. Wm. Henley's, xiii. 323, .... Priestley 



— on a new construction, xv. 308, Brook 



xvi. 173, 176, Bennet 



Electrophorus, experiments with the, xiv. 463, Ingenhousz 



— on Dr. Ingenhousz's theory of the, xiv. 473, . . Henley 

 Elephants, docility of, i. 689; method of taking, i. 690 



— manner of taking and taming in Ceylon, iv. 641, Strachan 



— nat. hist, and economy of, v. 557, vi. 382, Blair 



— dissection, and admeasurem. of the bones, v. 560, Same 



— contexture of the skin of, v. 6£)9> Leuwenhoek 



of the organ of hearing in, vi. 382, Blair 



— habits, manners, and natural history of, xviii. 444, Corse 

 . — different species of Asiatic elephants, and mode of den- 

 tition, xviii. 509, Same 



— on the structure of their teeth, xviii. 519, Home 



— see Mammoth, Bones. 



Elk, anatomical observations on the, ii. 292 



Ellicot, Mr., observations at St. Helena on the going of his 



clock, xi. 630, Mason 



Ellicot, J., to-measure the expansion of heated metals, viii. 82 



— influence of pendulum clocks on each other, viii. 320, 322 



— specific gravity of diamonds, ix. 147 



— experiments to discover the laws of electricity, ix. 475 



— height of the ascent of rockets, x. 96 



— irregularity of a pendulum arising from temperature, 



contrivances for preventing, x. 271 

 Elliot, J., m. d., affinities of substances in spirit of wine, 



xvi. 79 



Ellipse, theorem on the, xii. 222, Waring 



Ellis, Rev. Charles, invention of printing, &c, v. 50 

 Ellis, Henry, on Dr: Hales's ventilators, x. 195 



— Dr. Hales's bucket for examining the temperature and 



saltness of the sea, x. 196 



— heat of the weather at Georgia, xi. 277 



Ellis, John, observ- on a remakable coralline, x. 345 



— description of a salt-water cluster polype, x. 409 

 — - different sorts of corallines described, x. 453 



— animal nature of corallines, &c, x. 490 



Ellis, John, remarks on a specimen of alcyonium, x. 671 



— of the tree yielding the Chinese varnish, xi. 46, xi. 181 



— of a red coral (isis ochracea) from the East Indies, xi. 109^ 



— reply to Dr. Baster in support of the animal nature of 



corallines, xi. 134 



— description of some rare species of barnacles, xi. 307 



— experiments on the preservation of seeds, xi. 373 



— of the plants halesia and gardenia, xi. 50S 



— description of a star-fish (isis asteria), xi. 591 

 • the cochineal insect (coccus cacti), xi. 674 



the sea-pen (pennatula phosphorea), xii. 41 



— nature and formation of sponges, xii. 257 



— description of the siren lacertina, xii. 322 

 the horned viper of Egypt, xii. 355 



— animal nature of zoophyta, xii. 458 



— nature of the actinia sociata, xii. 468 



— method of preserving acorns for planting, xii. 514 



— increase of animalcula in vegetable infusions, xii. 6l2 



— indissoluble salt from an infusion of hemp-seed, xii. 616 



— descrip. of the leblolly-bay (gordonia lasianthus), xiii. 84 

 starry anniseed-tree (illicium floridanum), xiii. 85 



— animal nature of the gorgonia, xiii. 720 



Elms, propagation of from seed, iii. 599, Bulkeley 



Ellstobb, Wm., Jun., lunar eclipse, Dec. 1749, ix. 699 

 Elsholt, Dr., notice of useful experiments by, ii. 522 

 Elton, J., quadrant for altitudes without a horizon, vii. 531 

 Embanking, utility of furze for dam-heads, &c, xi. 514, 



Wark 

 Embryo, see Talus. 



Emery, formation of the emery stone, xii. 341, ..Bowles 

 Emeticks, for ages and constitutions, v. 255, 399, Cockburn 

 Empyema, case of the operation for, x. 244, Warner 



— another case, x. 394 Same 



Emulgent vein, discovery of a communication with the 



thoracic duct, i. 163, 736, Pecquet} remarks on, by 



Needham, i. 736 

 Emulgents, extraordinary conformation of, ii. 448, . . Tyson 

 Encaustic painting, see Painting. 

 Encrinus, see Star Fish. 

 Engine, for grinding hyperbolic optic glasses, i. 396, Wren 



— for weaving without an artificer, ii. 439, De Gennes 



— for consuming smoke, iii. 292, Justel 



— Mr. Savery's, for raising water by fire, iv. 398 



— for drawing foul air from mines, vii. 208, . . Desaguliers 



— on the greatest effect of engines, xi. 317, Blake 



— to diminish the friction in engines, xi. 709, Fitzgerald 



— for pile driving improved, xiv. 498, Bugge 



— see Machines, Instruments, Steam Engine, Hydraulics. 

 Engines, on the greatest effect of, xi. 317, ........ Blake 



England, number of acres of land in, v. 620, Grew 



— remarks on the probable existence, formerly, of an isth- 



mus joining England and France, iv. 6l8, 637, Wallis 



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



Englefield, Sir. H. C, appearance of the soil on opening 



a well at Han by, xv. 117 



— variation of light in the star Algol, xv. 460 



Ent, Sir George, m. d., biograph. acconnt of, ii. 471, Note 



— discovery of tempers from the voice, ii. 441 



— various anatomical observations, ii. 471 



— weight of a tortoise at retiring into the ground, and at 



re-appearing in the spring, iii. 458 



Epact, remarks on the, x. 35, Earl of Macclesfield 



Ephemera, see May-fly. 



Epicycloid, quadrature of a portion of the, iv. 40, Casswell 



Epidemic diseases, account of, and obser., iii. 364, Molyneux 



— a severe epidemic at Barbadoes, xi. 6 15, Mason 



Epilepsy, case of, iii. 198, , Cole 



