C.

_Cabinet-work_, veneered in England, shrinks and flies in America, ii. 140.

_Cables_, why apt to part when weighing anchor in a swell, ii. 167. this defect of, remedied, 168.

_Cabot_, Sebastian, his commission from Henry VII., iii. 348.

_Calvinism_, Franklin educated in the principles of, i. 79.

_Campaign_ in America, account of the first, iii. 357.

_Canals_, observations on their depth, ii. 159.

_Canada_, importance of, to England, i. 136. visited by Franklin, 147. its extent, iii. 20. pamphlet on the importance of, 89. easily peopled without draining Britain, 139.

_Cancers_, specific for, i. 260, 261.

_Candles_ lighted by electricity, i. 176. distance at which the flame of, may be seen, ii. 90.

_Cann_, silver, a singular experiment on, i. 307.

_Canoes_ of the American Indians, their advantages, ii. 176.

_Canton_, Mr. John, experiments by, i. 286, 346. draws electricity from the clouds, 428.

_Capitals_, their use in printing, ii. 352.

_Caribbees_, possession of, only a temporary benefit, iii. 142.

_Carolina_, South, see _Lightning_.

_Cavendish_, lord Charles, his electrical experiments, i. 348.

_Cayenne_ would be a great acquisition to Britain, iii. 140.

_Centre_ of the earth, hypothesis concerning, ii. 119, 127.

_Cessions_ from an enemy, on what grounds may be demanded, iii. 93.

_Chapel_, nickname for a printing house, i. 63.

_Character_, remarks on the delineation of, iii. 445.

_Charcoal-fires_, hurtful, ii. 235.

_Charging_ and discharging, in electricity, explained, i. 190. a number of bottles at once, how done, _ibid._

_Charters_ of the colonies could not be altered by parliament, iii. 332.

_Chess_, morals of, iii. 488. not an idle amusement, _ibid._ teaches various virtues, 489. advice to those who play, 490. too intense an application to, injurious, 500.

_Chimnies_, different kinds of, enumerated, ii. 228. inconvenience of the old-fashioned ones, 229. defect of more modern ones, 230. have not long been in use in England, 277. Staffordshire, described, 285. have a draft of air up and down, 289. may be used for keeping provisions in summer, 290. may be of use to miners, 291. funnels to, what the best, 292, 295. method of contracting them, 317. smoky. See _Smoky_.

_China_, provision made there against famine, ii. 407.

_Chinese_ wisely divide the holds of their vessels by partitions, ii. 171. how they row their boats, 177. their method of warming ground floors, 292. improvement in this method suggested, 293. their method of making large paper, 349.

_Circle_, magical, account of, ii. 327, 328.

_Cities_, spring water gradually deteriorates in, i. 163. do not supply themselves with inhabitants, ii. 384.

_Clark_, Dr. of Boston, quoted, on the instigation of the American Indians against the English, iii. 95, 100, 102.

_Clothes_, wet, may preserve from lightning, i. 213. will relieve thirst, ii. 104. do not give colds, _ibid._ imbibe heat according to their colour, 108. white, most suitable for hot climates, _ibid._

_Clothing_ does not give, but preserves, warmth, ii. 81.

_Clouds_, at land and at sea, difference between, i. 207. formed at sea, how brought to rain on land, 208. driven against mountains, form springs and rivers, 209. passing different ways, accounted for, 211. electrical, attracted by trees, spires, &c. 213. manner in which they become electrised, 257, 305. are electrised sometimes negatively and sometimes positively, 274, 277, 284, 292. electricity drawn from them, at Marly, 420. by Mr. Cauton, 428. by Dr. Bevis, 429, by Mr. Wilson, _ibid._ how supported in air, ii. 5. how formed, 7. whether winds are generated or can be confined in them, 57. have little more solidity than fogs, _ibid._

_Club_, called the Junto, instituted by Franklin, i. 82. rules of, ii. 366, 369. questions discussed in, 369.

_Coal_, sea, letter on the nature of, ii. 128.

_Cold_, why seemingly greater in metals than in wood, ii. 56, 77. sensation of, how produced, 57. only the absence of heat, 81. produced by chemical mixtures, _ibid._ evaporation. See _Evaporation_.

_Colden_, Mr. his remarks on Abbé Nollet's letters, i. 430. meteorological observations, ii. 51. observations on water-spouts, 53.

_Colds_, causes of, ii. 214, 230.

_Coleman_, William, a member of the Junto club, i. 84, 89.

_Colica pictorum_, caused by lead, ii. 219.

_Collins_, John, an early friend of Franklin's, i. 17, 27, 41, 43, 44.

_Collinson_, Mr. some account of, iii. 514.

_Colonial_ governments in America of three kinds, iii. 50.

_Colonies_, the settlement of, does not diminish national numbers, ii. 391. their prosperity beneficial to the mother country, iii. 113. are intitled to distinct governments, 303. American, preferable to the West Indies, _ibid._ not dangerous to Britain, 132. aids to government, how given by, 225, 226. originally governed by the crown, independent of Parliament, 291. not settled at the expence of Britain, 348.

_Colonists_ in America, double their number in 25 years, iii. 113. from Britain, their rights, 299.

_Colours._ See _Clothes_.

_Comazants_, or corposants, are electrical appearances, i. 248.

_Commerce_, influence of, on the manners of a people, ii. 400. is best encouraged by being left free, 415. should not be prohibited in time of war, 417. by inland carriage, how supported, iii. 116.

_Common-sense_, by Paine, Franklin supposed to have contributed to, i. 148.

_Compass_, instances of its losing its virtue by lightning, i. 248. how to remedy the want of, at sea, ii. 191.

_Conductors_ of lightning, very common in America, i. 113. first suggestion of the utility of, 227. construction of, 358.

## particulars relating to, 377.

of electricity, difference in the action of, 200, 303. which the most perfect, 253, 256. and non-conductors, other terms substituted for, _ibid._ of common fire, their properties and differences, ii. 76, 77. experiments on, ii. 77.

_Congress_, Franklin appointed a delegate to, i. 146. proposed overture from, in 1775, iii. 347.

_Consecration_ of bells in France, form of, i. 384.

_Conspirators_, electrical, meaning of the term, i. 196.

_Controversy_, benefit of, iii. 92.

_Conversation_, advantage of useful topics of, at dinner, i. 12.

_Cook_, captain, circular letter concerning, iii. 515. copy of the voyages of, presented to Franklin, by the Admiralty, 517.

Cookery, at sea, generally bad, ii. 194.

_Copper_, manner of covering houses with, ii. 318, 320, 322.

_Copper_ plate printing-press, the first in America, constructed by Franklin, i. 77.

_Corn_, ill policy of laying restraints on the exportation of, ii. 413, 418.

_Countries_, distant and unprovided, a plan for benefiting, ii. 403.

_Creation_, conjectures as to, ii. 118.

_Credit_, that of America and Britain in 1777, compared, iii. 372. depends on payment of loans, 373. industry and frugality, 374. public spirit, 375. income and security, 376. prospects of future ability, _ibid._ prudence, 377. character for honesty, 378. is money to a tradesman, 464.

_Criminal_ laws, reflections on, ii. 439.

_Crooked_ direction of lightning explained, i. 316.

_Cutler_, circumstance that prevented Franklin's being apprenticed to one, i. 14.

_Currents_ at sea, often not perceivable, ii. 185.

_Cyder_, the best quencher of thirst, ii. 195.