POL 



INDEX. 



POR 



85 



Pliny, remarks on a passage in, ix. 303, Folkes 



Plott, Robt., ll. D., biographical account of, ii. 394, Note 



— formation of salt and sand from brine, ii 589 



— on the sepulchral lamps of the ancients, iii. 100 



— account of a meteorological register, iii. 139 



— history of the use of incombustible cloth, iii. 179 

 •— proper time for felling timber, iii. 422 



— nature of the mineral called black lead, iv. 272 



— catalogue of electrical bodies, iv. 323 

 Pluche, Abbe, cause of the smut of corn, viii. 408 

 Plukenet, Leonard, biograph. account of, iii- 458, ..Note 

 Plum-stone, lodged for 30 years in the bowels, iv. 7l5,Yonge 



— disorder from swallowing, v. 552, Holbrooke 



— mischiefs arising from swallowing, vi. 253, .... Derham 

 Pneumatics, shooting by rarefaction of air, iii. 273, Papin 



— see Air-pump. 



Pococke, Rev. Rich., biograph. account of, ix. 457, . . Note 



— of the giant's causeway in Ireland, ibid, & x. 382 



Points, mathematical, porportion of, v. 678, Robartes 



Poison, a poisonous substance arising on a lake, i. 721 



— on several sorts, particularly viper's, iii. 653,. . . . Mayerne 



— effects of a poisonous root, iv. 183, Ray 



— from the euwane tree, v. 281, Leuwenhoek 



— effects of various, on animals, v. 684', Courten 



— poison-wood tree of New England, vi. 507, . . Dudley 

 — vi. 508, Sherrard 



— antidote to the West Indian, viii. 542, Milward 



— experts, with the Indian poison, ix. 3l6, .. Brocklesby 



— a poisonous root mixed with gentian, ix. 488, .... Same 



— of the ticunas and lamas, experts, on, x. 144, . . Herissant 



— result of experts, on the same poison, ibid, .... Fontana 



— poisonous effects of an effervescent mixt. xi. 66, Mounsey 



— water and oil recommended as a remedy for poison taken 



internally, xi. 477, Note ; 479, Willis 



— experts, on the ticunas poison, xiv. 641, Fontana 



, poisonof the lauro cerasus, xiv. 66l, Same 



Poleni, John, solar eclipse, Padua, Sept. 1726, vii. l6*2 



. lunar eclipse, Oct. 1726, ibid 



Feb. 1729, vii. 364 



July 1729, vii. 364 



solar eclipse, Sept.1727, vii. 248 



■ July 1730, vii. 427 



— meteorol. observs. at Padua, 1725 — 1730, vii. 510 

 ■ for 1731 — 1736, viii. 196 



meteoric lights observed Dec. 1737, viii. 458 



— on pendulums affected by a centrifugal force viii. 627 

 Pol hill, Nathaniel, remarks on bees, xiv. 304 

 Poland, of the sal-gem mines in, i. 469 



Polarity, see Magnet, Magnetism. 



Pole (of the earth) elevation unaltered, iii. 407, Wurtzelbaur 



— see Mei idian . 



Polygamy, its effect on population, x. 5S2, Parsons 



Polygon, theorem on thr, xii. 223, Waring 



— theorems for the solution of, xiii. 647, Lexel 



— polygons in and about circles, xiii. 653, Horsley 



Polypodium, observ. on the seecis of, v. 197, Leuwenhoek 

 Polypus (disease) in the heart, body dissected, iii. 21, Gould 



— in the nose, origin discovered, iv. 152, Giles 



— in the lungs, iv. 488, Bussiere 



— found in a dog, iv. 525, Musgrave 



— in the vena pulmonalis, iv. 563, Cowper 



— coughed up from the wind-pipe, vii. 188, Samber 



the lungs, vii. 481, Nicholls 



— from the hearts of sailors, viii. 580, Huxham 



— at the heart, ix. 274, Templeman 



Polypus (animal), account of, viii. 607, Gronovius 



— > on its living after being mutilated, viii. 6ll 



— papers read before c.s. respecting, viii. 623,. . Mortimer 



Polypus (animal) of fresh water, observs. and experts, onj 

 ibid, Tremble} 



— experiments on, viii. 676, Folkes 



— observations on, viii. 6*85, Duke of Richmond 



— observations on a dried, viii. 724, Baker 



— newly discovered species of, ix. 75, Trembley 



— observations of several sorts of, ix. 377, Same 



— of coral, account of, x. 154, Donati 



— cluster-polype of salt water, [vorticella encrinus] x. 409, 



Ellis 



— description of some polypi, x. 617, Brady 



— remarks on the polypi of coral, xi. 83, Trembley 



— description of the American cuttle fish, xi. 286,. . Baker 



— different sorts of the actinia, xi. 525, Gaertner 



Pompey's pillar, on the real date of, xii. 473, .... Montagu 

 Ponds, that ebb and flow, cause of, vii. 39, . . Desaguliers 

 Pond, Arthur, a stone with the impression of a fish, x. 628 

 Ponza, some account of the island of, xvi. 133, . . Hamilton 

 Pooley, Giles, digging and preparing of calamine, iii. 515 

 Pope, Walter, m. d., on the mines of mercury in Friuli, i. 10 



— the production of wind by the fall of water, ibid 

 Poppy, strange effects of the chelidonium glaucium, iv. 295, 



Newton 



Population, houses and hearths in Dublin, 1696 and 1697, 



iv. 481, South 



— sea-faring men in Ireland, 1697, ibid, Same 



— number of people in Ireland, 1696, iv. 482, Same 



- of Romish clergy in Ireland, 1698, ibid,. . Same 



of the parishes Kinardsey and Donington, v. 357, Plaxton 

 propor. births of males and females, v. 606, . . Arbuthnot 

 of Stoke-Damerell, 1733, viii. 53, ... . Barlow 



— of Holland, West Friezland, Haarlem, &c, viii. 253, 



Eames 

 viii. 628, Kersseboom 



— of Bristol, 1741-50, x. 378, Browning 



— within the London bills of mortality, 1704-53, x. 535, 



Braikenridge 



— of Constantinople, x. 580, Parsons 



— of England, method of enumerating, x. 621, Braikenridge 



— Britain and Ireland, rate of increase of, xi. 51, . . Same 



— of England, methods of estimating, xi. 1 86, .... Forster 

 ■ xi. 188, Braikenridge 



— increase of, at Madeira, xii. 475, Heberden 



in Anglesea, xiii. 422, Panton 



— of Manchester and its neighbourhood, xiii. 659, Percival 



— table of the proportion of males to females, xiii. 632, Price 



— of Chester, 1774, xiv. 311, Haygarth 



— of London, number of natives compared with those born 



in the counties of Britain and Ireland, xv. 122, Bland 



— comparison of the number of males and females born, 



xv. 121, Note, Same 



— see mortality (bills of) , London } Paris,Constantinople, and 



Bristol. 

 Porcupine, its anatomy compared with a hedge-hog, iii. 39 1 



— swallowed by a snake, and causing its death, ix. 102, 



Wollaston 



— of the hystrix dorsata from Hudson's Bay, xiii. 328, 



Forster 

 Pores in the skin of the hands and feet, use of, iii. 35, Grew 



— on the porosity of bodies, iii. 72, Boyle 



Porpoise, dissection of i. 639. Ray 



— anatomical description of, ii. 500, Borelli 



— venom in the tooth of, iv. 21 1, Lister 



Porter, Sir J., answers to queries, by Dr. Maty, relative to 



Constantinople, x. 580, 6l8 



— earthquakes at Constantinople, x. 586 



— astronomical, &c. observations in Asia, x. 6l8 



— transit of Venus over the sun, 1761, xi. 56& 



