COL 



INDEX. 



COM 



27 



Cold, produced by sal ammoniac with and without ebullition, 

 ii. 654, Slare 



— production of artificial cold at Petersburgh, xi. 4S0, 



Himsel 



— of Braun's exper. on its production, xi. 544, . . Watson 



— exper. by Walker on the produc. of, xvi. 279, Beddoes 



— on cooling water below the freezing point, xvi. 409, 



Blagden 



— on lowering the point of congelation, xvi. 459, • • Same 



— production of artificial cold, xvi. 501, 579» xvii. 5(50, 



Walker 



— production of, by evaporation, xv. 157, Cavallo 



— on the cold of freezing mixtures, xv. 429, • • Cavendish 



— see Ice (Artificial.) 



— see Thermometer, Meteorological Observations, &c. 

 Colden, Cadwallader, earthquake, Novem. 1755, at New 



York, x. 667 

 Cole, Wm., m. p., structure of fibres of the intestines, i. 295 



— case of a false, though seeming, pregnancy, iii. 176' 



periodical convulsions, iii. 197 



____———— epileptic fits, iii. 198 



— stones voided per penem, iii. 2l6 



— of a purple fish, buxinum lapillus, iii. 252 



— of grains like wheat, falling from the sky, iii. 356 



— on the appearance of plum-stones voided by stool, v. 553 

 Cole, T. m. d., account of Mr. Bright, the fat man, of Essex, 



x. 184 

 Colebrook, Josiah, on the encaustic painting of the ancients, 

 xi. 328, 332 



— meteor seen at Bath, Oct. 1759, xi. 394 



— efficacy of green hemlock taken internally for cancers, xii. 



37, 254 

 Colepresse, Samuel, teeth cut at a very advanced age, i. 141 



— two monstrous births in Devonshire, i. 167 

 - — magnetical experiments, i. 177 



— an excellent liquor from mulberries and apple?, ibid 



— observation of tides at Plymouth, i. 227 



— to counterfeit opal, and make red glass, i. 270 



— the use of slate for covering houses, and mediod of 



trying the goodness of the sort, i. 370 



— observations in mines and at sea, ii. 168 



Coles, Edward, red colour produced by a mixture, iv. 167 

 Colic, an unusual case of, iv. 6*18, Davies 



— extraordinary effect of, vi. 288 St. Andre 



Collet, John, m. d., a pit of peat moss, in Berkshire, xi. 87 

 Collignon, Charles, m. d., of a body undecayed after long 



interment, xiii. 356 

 Collins, John, biographical account of, i 207, 338, . . Note 



— M. de Billy's method of finding the Julian period, de- 



monstrated, i. 207 



— resolution of equations in numbers, i. 338 



— solution of a chorographical problem, i. 563 



— improvements in the science of algebra, iii. 38 

 Collinson, Peter, biographical account of, vii. 368, .... Note 



— opening of an ancient well in Kent, ibid 



— hardness of shells ; food of soals, ix. 15 



— natural hist, and economy of the crab, ix. 203. x, 134 



— observations on the May fly, ix. 290 



— description of the belluga stone, ix. 335 



— remarkable gleam of light from the sun, ix. 337 



— earthquake 1755, at Pennyslvania, x. 667 



— on the migration of swallows, martins, &c. xi. 425, 706 



— of the cicada septendecim of North America, xii. 100 



— bones of a mammoth found in North America, xii. 476 

 Collision, see Motion (force of moving bodies) 

 Colman, Rev. Benjamin, earthquake at Boston, vii. 348 

 Colon, propendent from the abdomen 14 years, vi.483,Vater 



Colon, a remarkable disease of the, vii. 518, .... Huxham 

 Colour, change of in grapes and jessamine, vi. 489,. • Cane 



— of the skin in differt. climates, cause of, ix. 50, Mitchell 

 Colours (Chemistry) fixation of colours, and increasing of 



dyes, '{. 582, Lister 



— tincture given to a stone, iii. 273, Reisel 



— catalogue of simple and mixed, iii. 274, Waller 



— red colour produced by a mixture, iv. 167, Coles 



— to give various tinctures to water, iv. 243, Southwell 



— two inflammable liquors which, by mixture, produce a 



carnation colour without fermentation, iv.348,Geoffro7 



— to give tinctures to spirituous liquors, vii. 120, Neuman 



— a dye produced from a berry of South Carolina, xii. 4, 



Lindo 



— receipts for a blue and yellow dye, xiii. 107, . . Woulfe 



— a new colouring substance from the South Sea, xiii. 



595, Same 



— see Dyeing, Marble. 



Colour (Natural Philosophy) the colours of metallic par- 

 ticles dependent on the specific gravity of the metal, 

 xii. 179, • • Delaval 



— the prismatic colours produced on metallic surfaces by 



electrical explosions, xii. 510, Priestley 



— colours emitted by phosphorus, xiiii. 130, .... Beccaria 



— on experiments to try the power of different colours to 



retain heat, xiii. 371, Watson 



— power of the prismatic colours to heat and illuminate, 



xviii. 675, Herschel 



— for Doctrine of light and colours, see Light, (Optics) 

 Colson, John, biographical account of, v. 334,. ..... Note 



— of cubic and biquadatic equations, v. 334 



— of negativo-afflrmative arithmetic, vii. l63 



— construction and use of spherical maps, viii. 6l 



Colt, a monstrous head of a, i. 29, Boyle 



Columbacristata, description of the, xiii. 267, . . Badenach 

 Colwall, Daniel, of the English alum works, ii. 458 



— art of making copperas, ii. 46l 



Combinations, and altern. doctrine of, v. 209, Thornycroft 

 Combustion, on the light of bodies in, xv. 668, . . Morgan 

 Comets, Hevelius's opinion of the matter of, i. 40 



— Fontaney on the same subject, ii. 523 



— Rosetti's opinion of, ii. 524 



— Anthelme on the same, ibid 



— cause and motion of, ii. 546, Bernoulli 



— 370 in 4000 years, ii. 646, Zimmerman 



— nature of, v. 14, Gregory 



— elements for computing the motions of, ix. 48, .... Betts 



— on the parabolic paths of, ix. 648, Struyck 



— a ms in Pembroke College Cambridge respecting, x 209, 



Dunthorne 



— scheme of a comet's return, x. 6±5, Barker 



— point of attraction between a comet and the sun, xii. 



405, Winthrop 



— method of computing the orbits of, xv. 651, . . . Zach 

 Comets, (particular) of 1664, motion predicted by, i. 3, 



Auzout 



— 1664 and 1665, on the motion of, i. 8, Cassini 



— 1665, motion of, i. 14, Auzout 



— 1664, correction of a statement of, i. 53, Auzout and 



Hevelius 



— 1665, Hevelius's observation of, i. 115 



— 1668, account from Italy, i. 250: Lisbon, 251, Cassini 



— 1668, seen at Brasil, by, ii. 135, Pere Estancel 



— 1672, seen at Dantzic, i. 696, Hevelius 



— 1672, observed at Paris, i. 708, Cassini 



— 16'77, ii. 390, Same 



— 1677, Dantzic ; ii. 391, Hevelius 



D2 



