FON 



INDEX. 



FOS 



43 



Fluids, refractions and specific gravities of, v. 6l6, Hauksbee 



— resistance of, to falling bodies, vi. 506, . . . . Desaguliers 



— figure of revolving fluids, vii. 519, Maupertuis 



— experiments on the expansion of, xvii. 272, .... Gilpin 



— theory of the motion and resistance of, xvii. 466", xviii. 



24S, Vince 



— see Steam, Water. 



Fluxions, use of in solving geomet. prob. iv. 14, Demoivre 



— account of the inventions of, vi. 1 l6, Newton 



— invention of the differential method, vi. 389, Conti ; 



Leibnitz's answer, vi. 390 



— Maclaurin's account of his treatise on, 632, 667 



— see Fluents. 



Fly, account of a viviparous fly, i. 600, iii. 46, .... Lister 



— account of the vegetable fly, xii. 15, Watson 



Fly-catcher, a species of, from Hudson's Bay, xiii. 341, 



Forster 

 Flying, Bernier's machine for, ii. 476 



1 — of a flying ship, ii. 478, Lana 



Flying-fish, see Exoaetus volitans. 



Focus, on finding the foci of optic glasses, iii. 593, Halley 



Foetus, particulars respecting the, human and brute, i. 



117, Needham 



— on the gradual growth of, i. 413, 586, .... Kerckringius 



— on the formation of, i. 6lS 



— lying in the belly 26 years, ii. 435, Baley 



— necessity of respiration for, ii. 147, Mayo 



— an extra-uterine, iv. 110, Savaid 



— voided by the ulcerated navel, iv. 173, Brodie 



— voided above the os pubis, iv. 303 



— lying without the womb, iv. 365, Fern 



— voided by the navel, iv. 631, Birbeck 



— way in which air is communicated to, iv. 708, . . Drake 



— bones of, voided through the groin, v. 246, .... Shipton 



— on the way of its receiving nourishment, v. 276, Brady 

 - — instances of several extra-uterine, v. 52 1 , Yonge 



— bones of a fcetus from a cow, v. 532, Sherman 



— 46 years in the belly, case of, vi. 500, .... Steigerthall 



— of a sheep, micros, observations on, vi. 593, Leuwenhoek 



— an extra-uterine, 5 years in the body, vi, 666, Houstoun 



— bones of, voided per anum, vii. 53, Lindestolpe 



— preternatural delivery at the anus, vii. 432, .... Giffard 



— in the abdomen 9 years, viii. 488, Bromfield 



— bones of, voided per anum, ix. 108, Winthrop 



— an extra-uterine, ix. 1 12, Myddleton 



— voided per anum, ix. 170, Simon 



— 16 years in the abdomen, ix. 373, Myddleton 



— discharged near the navel, ix. 456, Drake 



— 13 years in the fallopian tube, ix. 460, Mounsey 



— extracted from the abdomen, x. 153, Debenham 



— in part nourished by the liquor amnii, x. 619, Fleming 



— with a very imperfect brain, xii. 405, Johnstone 



— produced with a live child, xiii. 79} Warner 



— see Monsters. 



Frogellius, lunar eclipse and solar spots, Hamburg, 1671, 



i. 659 

 Foley, S., d. d., of the giant's causeway in Ireland, iii. 606 

 Folkes, Martin, biographical account of, vi. 291,. . . . Note 



— aurora borealis seen at London, ibid 



— account of Mr. Leuwenhoek s microscopes bequeathed 



to the Royal Society, vi. 678 



— standard Roman measures, viii. 74 



— 3 parhelia seen in London, Sept. 1736, viii. 137 

 •i— experiments on the fresh water polypus, viii. 676 



— bones incrusted with stone, ix. 181 



— on a passage in Pliny, ix. 303 



Fontana, Abbe, biographical account of, xiv. 526, Note 

 *— on the poison of vipers, i. 58, Note 



Fontana, effects of inflammable air on animals, xiv. 526 



— of the air, extracted from different waters, xiv. 563 



— salubrity of the air at different places, xiv. 568 



— experiments on the poison of the ticunas, xiv. 641 



lauro-cerasus, xiv. 66l 



Food, men living in a mine 24 days without, iii. 32 



— on the carnivorous nature of man, 551, 556, .... Wallis 



— remarks on the same subject in reply, iv. 552,. . . .Tyson 



— of a woman living 6 days under snow without, vi. 69, 



Bowditch 



— of a boy living 3 years without, vi. 459, Blair 



— extraordinary quantity eaten by a boy, ix. 124, . . . B — r 



— a woman who lived several years without, xiv. 121, 



Mackenzie 



— on the antiseptic regimen of the Russians, xiv. 395, 



Guthrie 

 Foot (Measure) on the measure of the Roman, xi. 485,Raper 



— comparison of the English and French, xi. 487, . . Same 



— length of the Roman foot, xviii. 305, Note, Shuckburgh 



— see Measures. 



Foramen ovale, found open, in an adult, viii. 54, Amyand 



— in adults, remarks on, viii. 485, Le Cat 



Forbes, George, m.d., specimen of the limpet fish, xi. 313 

 Force, essay on the measure of, ix. 563, Miles 



— resolution of attractive powers, xvi. 572, Waring 



— see Centripetal Force, Motion, ( Force of moving bodies) 

 Forceps, see Instruments, (Anatomical) 



Ford, James, successful use of agaric as a styptic, x. 579 

 Fordyce, George, M. d., biog. account of, xiv. 93, ..Note 



— of the light produced by inflammation, xiv. 93 



— examination of various ores, xiv. 585 



— method of assaying copper ores, xiv. 609 



— loss of weight in bodies by heat, xvi. 13 



— experiments on the nature of heat, xvi. 288 



— on muscular motion, xvi. 36 1 



— cause of the increased weight of metals calcined, xvii. 245 



— account of a now pendulum, xvii. 336 

 Forehead, see Os Froniis. 



Forster, Rev. John, an earthquake at Taunton, ix. 533 

 Forster, John Reinhold, biog. account of, xii. 446, . . Note 



— Nat. Hist, of the country about the Wolga, ibid 



— of a new map of the river Wolga, xii. 556 



— management of carp in Polish Prussia, xiii. 154 



— of the dyeing roots found at Hudson's-bay, xiii. 282 



— account of some quadrupeds from Hudson's-bay, xiii. 326 

 ■ birds ■— — xiii. 331 



- fishes xiii. 410 



— description of the tyger-cat of the Cape, xv. 1 

 Forster, Rev. Richard, bills of mortality of Great Shefford, 



1747-57, xi. 157 



— on the population of England, xi. 186 



— a meteor, seen October 1759, in Berkshire, xi. 394 



— bite of the slow- worm innoxious, xi. 614 



Forster, Thomas, newly raised island near Tercera, vi. 584 

 Forth, Henry, observ. on the barometer in a storm, viii. 78 

 Fosse, M. La, exper. with lycoperdon as a styptic, x. 566 

 Fossils, opinion that shell-like fossils are stones sui generis, 

 ii. 645, Lister 



— description of shell-like fossils, iii. 4, Hatley 



— tongue of an American marine animal dug up in Eng- 



land, iv. 200, Sloane 



— a figured fossil stones found in Wales, iv. 381,. . Lhwyd 



— found at Reculver Cliff, iv. 549, Gray 



— difference of, found in different soils, v. 123, . . Lhwyd 



— observ. of fossil shells of Switzerland, v. 1 69, Leuwenhoek 



— impression of an animal on a stone, vi. 398, . . Stukeley 



— a nondescript petrified insect found at Dudley, x. 105, 



Lyttleton 

 F 2 



