DAL 



INDEX. 



DEA 



31 



Curves, quadrature of the logarithmic curve, iv. 318, Craig 



— investigation of the curve of swiftest descent, iv. 335, 



Sault 



— methods of measuring curved figures, iv. 488, . . Wallis 



— solution of the probable curve of quickest descent, iv. 



54-2, Craig 



— method of squaring some kinds of, iv. 658,. . . . Demoivre 



— solution of Bernoulli's problem on, iv. 90, Craig 



— length of curve lines, v. 406, Craig 



— of the 3d order, quadrature of, vi. 1S3, Demoivre 



— solution of a problem concerning, vi. 21 1, . . . . Newton 



— solution of Leibnitz, problem on, vi. 309, Taylor 



— construction and measure of, vi. 356, Maclaurin 



— of swiftest descent, vi. 374, Machin 



— to describe by right lines and angles, vi. 392, Maclaurin 

 . — description of geometric curves vi. 46 1, Same 



— general method of describing, viii. 5, Braikenridge 



-■■ viii. 41, 43, .... Maclaurin 



— two new curve lines of the 3d order, viii. 392, . . Stone 



— how to generate the cardioide curve, viii. 509, Castillione 



— new method of comparing curve areas, xii. 545, Landen 



— new theorems for areas, xiii, 77 , Same 



— see Tangents. 



Cuticle, micros, observations on the, ii. 150, Leuwenhoek 



— see Skin. 



Cutting, Margaret, who could talk without a tongue, case of, 

 viii. 586, Baker 



— further particulars of the case, ix. 375, Parsons 



Cuttle-fish, description of the American, xi. 286, .... Baker 

 Cyanus [centaurea orientalis] account of, ix. 31,. . Haller 

 Cycloids, synchronism of vibrations in, ii. 64, . . Brouncker 



— on quadrable cycloidal spaces, iv. 39, Wallis 



— and epicycloids, proposition for measuring, iv. 47, Halley 



— of descents in, &c. iv. 140, 



— knowledge of, as early as 1450, iv. 169, Wallis 



— see Epicycloid. 



Cyder, on the management of apple-trees for, i. 581 . . Reed 



— and perry, hints for improving, ix. l6'5, Miles 



Cygnus, figure of, and a new star in, i. 137, .... Hevelius 

 Cylinders, best proportions of, for steam engines, x. 187, 



Blake 

 Cylindroid, generation of a hyperbolical, i. 353, ; application 



of to the grinding of hyperbolical glasses, ibid . . Wren 

 Cyprianus, Dr., child born with a wound in the breast, 



iv. 102 

 Cyprus [lawsonia inermis] account of the, ix. 583, Garcin 

 Cyrillus, Nich., use of cold water in fevers, vii. 353 



— eruption of Vesuvius, March 1730, vii. 554 



— an earthquake in Naples 1731, vii. 606 



— meteorological history of 1732, vii. 629 



Cystis, of a scirrhous tumour inclosed in, vi. 73, . . Russel 



— watery cystises adhering to the peritonaeum, viii. 492,. 



Graham 



D 



Dalby, Isaac, longitudes of Dunkirk and Paris, xvii. 67 

 Dale, Samuel, bread made from turnips, iii. 598 



— case of jaundice affecting the sight, iii. 652 



— on the generation of eels, iv. 244 



— account of several insects, iv. 350 



— of Harwich, and the fossils found there, v. 124 



— of the posthumous mss. of Mr. Ray, v. 310 



— description of the moose deer in New England ; and a 



Virginian stag, viii. 102 



— remarks on Ray's account of the flying squirrel, viii. 104 

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

 Dalrymple, Alexander, on the formation of islands, xii, 454 



Dalrymple, Alexander, method of the journal of a voyage 



to the East Indies, xiv. 386 

 Dampier's powder, efficacy of for the bite of a mad dog, 



viii. 204, Fuller. 



Dampier, George, a cure for the bite of mad animals, 



iv. 232 

 Dampier, William, biographical account of, iv. 141, . . Note 

 Damps, subterraneous, persons killed by, i. 16, . . . . Moray 



— nature of choak-damp described, ibid, Note 



— in the mines of Hungary, i. 356, . , Brown 



— different sorts of, ii. 224, Jessop 



— in mines, ii. 244, Same 



— effect of in a coal-mine, ii. 398, Mostyn 



— on fire-damps in mines, ii. 474, Beaumont 



— of a Newcastle colliery taking fire, v. 450, . . Charrette 



— machine for extracting it from mines, vii. 208, Desaguiiers 



— effects and properties of, vii. 365 Greenwood 



— method of extracting from a coal-pit, viii. 612, Lowther 



— remarks on the cause of, viii. 77 , Desaguiiers 



— experiments on the inflammability of, viii. 77 ', .... Maud 



— extraordinary damp in a well, viii. 244, Cooke 



— see Mines, Fire, (subterraneous) 

 Dantzick, of the plague at, in 1709, vi, 23 



Darkness, a remarkable, at Detroit in Amer. xi. 6^5, Stirling 

 Darwin, Erasmus, m. p., biograph. account of, xi. 124, Note 



— theory of the ascent of vapour, ibid 



— uncommon case of hoemoptysis, xi. 435 



— experiments on animal fluids in the receiver, xiii. 536 



— a new case in squinting, xiv. 297 



— on artificial springs, xv. 627 



— effect of the mechanical expansion of air, xvi. 272 

 Darwin, Robert Waring, m. d„ on the ocular spectra of light 



and colours, xvi. 121 

 Date, ancient, at Widgel Hal), viii. 32, 37, Cope ; remarks 

 on it, 32, C9, . , Ward 



— ancient, at Worcester cathedral, viii. 39, Ward 



Rumsey church, viii. 478, Barlow 



— see Arabian Figures. 



Daval, Peter, comparative size of London and Paris, vii. 228 



— an extraordinary rainbow, July, 1743, ix. 682 



— distance of the sun from the earth, xi. 677 

 Davenport, Francis, of the tides at Tonquin, iii. 66 

 Davidson, George, of the bark-tree of St. Lucia, xv. 619 

 Daviel, M. — method of couching the cataract, x. 287 



— cures of cancerous eye-lids, nose, &c, x. 602 



Davies, — , m. d., of hydatids voided with urine, iv. 601 



— of an unusual colic, iv. 61 8 



Davies, David, account of some copper-works, iii. 536 

 Davies, Evan, effects of thunder, &c. in Wales, vii. 437 



— practice of inoculation in Wales, 1722, vii. 615 

 Davies, Rich., m.d., specific gravities of various bodies, ix.536 

 Davies, Thomas, method of preserving animals for specimens, 



xiii. 34 

 Davis, Edward, child born with its bones displaced, ix. 351 

 Davis, Rev. John, a siphon similar in effect to the Wurtem- 



burg, iii. Ill 



Davis's quadrant, a water-level for, viii. 260, Leigh 



• mercurial level for, viii. 262 Same 



Dawes, Rev. Tho. of the plague at Aleppo, 1758, &c, xi.686 

 Dawkes, Thomas, account of a gigantic boy, ix. 95 

 Dawson, Ambrose, m. d., a long suppression of urine, xi. 376 

 Day, Mark, observations of the comet of 1760, xi. 428 

 Dead bodies, see Bodies. 



Dead Sea, analysis of the water of, viii. 555, Perry 



Deaf and dumb, method of teaching a language to, i. 464, 



Wallis 

 — teaching to speak and understand, iv. 312, ....... Same 



