28 



COM 



INDEX. 



CON 



Comet, 1677, observed at Greenwich, ii. 393, . . Flamsteed 



— 168I, 



— 1682, 



— 1683, 



— June, 



— Sept., 



— Feb., 



— Dec., 



— Clermont, ii. 522, Fontaney 



— Dantzic, ii. 557, Hevelius 



ii. 683, Same 



— Rome, iii. 135, Ciampini 



— Leipsic, iii. 346 



1684, - 

 1686, - 



j 699, Paris, iv. 354, Cassini 



jfifa., Rome, v. 333, Ray 



168O, - 



Coburg, vi. 1 14, Kirch 



— June, 1717, London, vi. 322 Halley 



— Jan., 17 18, Berlin, vi. 363, 621, Kirch 



__ 1723, Wanstead, vii. 13, Bradley 



— . —- Witham, vii. 15, .... Lord Paisley 



Albano, vii. 16, Bianchini 



— Oct., 1723, Bombay, vii. 176, .... Saunderson 



— Feb., 1732, sea, vii. 565 Dove 



— Jan. &c, 1737, — Oxford, viii. 149, Bradley 



— — Rome, viii. 133, Revillas 



Philadelphia, ibid, Kearsley 



■ 1 Jamaica, viii. 154, Fuller 



Lisbon, viii. 155 Vanbrugh 



— 1739, p.irabolic orbit, viii. 515, Zanotti 



— 1743, Vienna, viii. 681, Frantz 



— , Oxford, ix. 47, Betts 



Sherborne, ix. 48, Same 



— 1742, Pekin, ix. 267, Hodgson 



— 1748, Pekin, x. 2, Hallerstein 



. — - — x. 3, Gaubil 



— 1757, Woolwich, xi. 169 Bradley 



the Hague, xi. 190,. . Klinkenberg 



— 1759, 



— 1760, 



— London, xi. 337, Bevis 



ibid, Munckley 



— London, xi. 428, Short 



ibid, Mitchell 



ibid, Munckley 



— ibid, Day 



~ Paris, xi. 472, De la Caille 



— 1762, ————— Paris, xi. 645, De la Lande 



— 1759, the Hague, xi. 677, Gabry 



— 1764, course of, observed at Paris, xii. Il6, . .Messier 



— on the return of the comet of 1682, xii. 263, . . Same 



— two comets, 1766, observed at Paris, xii. 286, Same ; 



remarks on the same by M, Pingre, ibid. 



— observed April, 1766, at Kirknewton, xii. 287,. • Brice 

 Jan., 1771, at Paris, xiii. 104, Messier 



— 1770, computation of its periodic time, xiv. 485, Lexel 



— 1781, observation of, xv. 154, Herschel ; 324,.. Note 



— 1783, observations of, xv. 464, 621, Pigott 



— return of the comet of 1532, l66l, predicted, xvi. 147, 



Maskelyne 



— 1786, observed at Windsor, xvi. 169, . . Miss Herschel 



remarks on it, xvi. 170, Herschel 



observ. of, at Chiselhursl, xvi. 186, Wollaston 



— 1788, observations of, xvi. 560, Herschel 



— 1791, observation of, xvii. 126, Same 



— 1793, xvii. 294, Same 



ibid, Maskelyne, &c. 



— 1794, discovery of, xvii. 335, Miss Herschel 



— 179*, xvii. 698, Same 



observations, ibid, Williams 



Commelinus, John, biographical account of, iv. 228, Note 

 Compass (Sea) effect of a thunder storm on, ii. 309 



— the same subject, iii. 18, Sir R. S. 



— new magnetical compass, iii. 381, Hire 



— invention and improvements of, iv. 639, 655, . . Wallis 



— electricity of glass affects the needle, ix. ?62, . . Robins 



— hghtning destroys its polarity, ix. 652, Waddel 



Compass (Sea) further account of the accident by lightning, 

 ix. 653, Knight 



— description of his own, x. 64, Knight 



— improvements in the compass, x. 67, Smeaton 



— see Azimuth Compass, Magnet, Needle. 

 Conception, see Foetus. 



Concoction, of food, hypothesis of the, iv. 400, . . Havers 

 Concretion, remarkable concretions attached to the body of 

 a calf, i. 5 

 nature of gouty, and urinary concretions, xviii. 213, 



Wollaston 

 observ. &c. on urinary concretions, xviii. 254, Pearson 

 see Stone. 



Condamine, Charles Marie de la, biographical account of, 

 ix. 665, Note 



— declination of some southern stars, 1738, ibid 



— method of finding the hour of the night at sea, ibid 



— letter from Rome, on the mss. and antiquities of Her- 



culaneum ; on the figure of the earth, x. 709 

 Conductors (of lightning) an apparatus for powder-mills, 

 xii. 127. Watson 



— on the construction of, and utility, xii. 143,.. .. Delaval 

 hi xii. 147, Wilson 



— appearance of, on a ship's conductor, xiii. 35, . . . Winn 



— committee of a. s. on fixing them to the powder-maga- 



zines at Purfleet, xiii. 371 



— on the proper shape of, xiii. 374, Wilson 



— opinion of the committee of r. s., on the proper shape 



of, xiii. 382 



— superior efficacy of the pointed, xiii. 512, Henley 



— new exper. on the nature and use of, xiv. 337, Wilson 



— advantage of elevated pointed conductors, xiv.427,Nairne 



— remarks on Mr. Wilson's and Mr. Nairne's experiments 



respecting, xiv. 440, Musgrave 



— experts, on the proper termination of, xiv. 458, Wilson 



— see Lightning. 



Conduit, John, situation of ancient Carteia, vi. 387 



Confervas, on the nature of, xii. 466, Ellis 



Conformation, see Monsters. 



Confucius, biographical account of, iii. 393, Note 



Congelation, a phenomenon in, xv. 423, Hutchins 



— experiments on lowering the point of, xvi. 459, Blagden 



— see Frost, Ice (Artificial) 



Conic Sections, some new properties in, xii. 124, Waring 



— compendious method of deducing, xiii. 458, .. ..Jones 



Conifera alypi folio, account of, iii. 514, Sloane 



Connecticut, natural curiosities at, i. 421, Winthrop 



Connor, Bernard, m.d., biograph. account of, iv. 10, Note 



— of a skeleton with backbone, ribs, &c. united, ibid 

 Connought worm, (spinx elpenor) remarks on, iii. 120, 



Molyneux 

 Conny, Robt. m. d., of a shower of fishes in Kent, iv. 302 

 Conringius, Herman, biographical account of, ii. 207, Note 

 Consett, Rev. Thos., meteorological observations at Peters- 

 burg, vii. 6l 1 



Constantinople, latitude of, iii. 255, Greaves 



— first permission of printing at, vii. 556, Eames 



— answers to queries by Dr. Maty, viz., respecting the 



plague at, x. 580; population, ibid; polygamy, 582 j 

 inoculation, ibid; printing, 583; state of learning, 



ibid, Parsons 



Contagion, how communicated, iii. 584, Slare ; 585 Note, 

 Conti, Abbe, invention of the differential method or fluxions, 

 vi. 389 ; Leibnitz's answer, 390 



Contrayerva, account of the, vii. 506, . .• Houlston 



Convulsions, remarkable case of, iii. 197, Cole 



— of a remarkable kind, iv. 564, Ijrekid 



