82 



PEL 



INDEX. 



PER 



Parthian coin, — see Coins. 



Partington, Miles, cure of muscular contraction by electri- 

 city, xiv. 302 



Partridge from Malacca [tetrao porphyrio] description of, 

 xiii. 267, Badenach 



Parturition, delivery though the vagina was closed up, iv. 234 



— dissection of a woman dead in, iv. 56*0, Silvestre 



— calculation of accidents attendant on 5 proportionate num- 



ber of twins, monstrous births, &c. ; proportion of male 



and female children, xv. 118, Bland 



Paschal, J., analogy of tides and the motions of disease, iii. 551 

 Passion flower, on the farina fcecundans of, ix. 234, Badcock 

 Patagonia, account of the inhabitants of, xii 391, •• Clarke 



. — . xiii. 7, . . Carteret 



Paterson, Wm., description of the tetrodon electricus, xvi.134 

 Patella, case of a supposed fracture of, vi. 466", . . Deverel 

 Patella (fish) see Limpet. 



Patouillat, — , M. d., effects of the poison of henbane, viii. 267 

 Pavement, see Tessellated- 

 Paul}, Latin translation of the Phil. Trans., 1669, i. 6'39 

 Paxton, Rev. Wm., effects of lightning on a church, xii. 6 10 

 Payne, John, on a steam engine, viii. 518 

 Payne, Robert, case of a fork thrust up the anus, vii. 125 

 Peacock, James, instrum. for drawing in perspective, xvi. 15 

 Peak, in Derbyshire, some account of, vii. 331, .. Marfcyn 

 Pearce, Zachary, biographical account of, viii. 389, . . Note 



— account of Bell's history of Hungary, viii. 253 



— — 1 reflections sur les anciens peuples, viii. 389 



Pears, account of a double pear, iv. 470 



Pearson, G., m.d., analyticalexpertimentson James'spowder, 

 xvii. 87 



— decomposition of fixed air, xvii. 221 



— experiments and observations on white lac, xvii. 428 



— experiments on the nature of wootz ; and observations 



on iron in its different states, xvii. 580 



— description of some ancient arms and utensils, with ex- 



periments to determine their composition, xviii. 38 



— nature of the gas produced by electrical discharges 



through water ; and process, xviii. 104 



— experts, and observs. on urinary concretions, xviii. 254 

 Pearls, origin of, ii. 126 



— the same, ii. 356, Tavernier 



— microscop. observs. on, and medicinal virtues of, v. 366, 



Leuwenhoek 



Pearl-divers, in the East Indies, i. 307, Vernati 



Pearl fishery, in the East Indies, i. 689 Baldaeus 



in the North of Ireland, iii. 512, . . Redding 



Peat, of the mosses in Scotland, v. 633, . . Earl of Cromartie 



— a preservative of dead bodies from decay, vii. 66*6, Balguy 



— a pit of peat moss in Berkshire, xi. 87, Collet 



Pebbles, account of some transparent, iii. 543, Lister 



— on the formation of, ix. 341, Arderon 



Pechlin, Joh. Nic. biograph. account of, ii. 321, .... Note 

 Pecquet, John, biograph. notice of, i. 16*3, Note 



— of a communication of the thoracic duct with the emul- 



gent vein, i. 163, 736, ; obs. respecting it, 526, Note 



— on Mariotte's discovery respecting vision, i. 245 5 Ma- 



rio; te's reply, 443 

 Pediculus Ceti [lepas diadema] descrip. of, v 317, Sibbald 

 Pediculus Pulsatorius, see Death-watch. 

 Pedini, Pasqual R., earthquakes at Leghorn 1742, viii. 568 

 Peirce, Jeremiah, of a tumour in the knee, viii. 294 

 Peirce,R.M. d., effect of the Bath waters in palsy, &c.iii. 140 



— of a shell in a woman's kidney, iii. 168 



Pekin, latitude and longitude of, iv. 233, Cassini 



— plan of the city of, xi. 26*5, Gaubil 



Pelican, a species from Hudson's Bay, xiii. 347, . . Forster 

 Pell, John, d.d., biographical account of, ii. 527, .. Note 



586 



Ellis 



Pell, John, d.d., improvem. of the mathema. sciences, ibid 



— answer to Mersenne's objections to the plan, ii. 532 

 Pelvis, unusual conformation of, ii. 449, Tyson 



— of a large glandular tumour in, viii. 158, .... Cantwell 



— of a bone found in a man's pelvis, xi. 476 Brady 



Pemberton, Henry, m.d., biograph. account of, vi.570, Note 



— on the force of moving bodies, ibid 



— solution of the prob. of Leibnitz and Bernoulli, vi. 



— on a secondary or reflected rainbow, vi. 624 



— on a treatise of logarithmic solar tables, xi. 507 



— on the locus for three and four lines, xii. 6"0 



— to compute lunar parallaxes and eclipses, xiii. 181 



— three astronomical problems solved, xiii. 349 

 Pen fish, description of the sea pen, xii. 41, .... 

 Pendulum, motion of in vacuo, v. 172, Derham 



— to find the centre of oscillation, vi. 7, Taylor 



— to avoid the effect of heat and cold on, vii. 129, Graham 



— observ. with isochronal pendulums, vii. 649, . . Bradley 



— exper. on the vibrations of, viii. 6*0, Derham 



— affected by a centrifugal force, viii. 627, Poleni 



— to avoid the effect of heat and cold, x. 271, .... Ellicot 



— various inventions to avoid the irregularity, x. 283, Short 



— exper. on the lengths, at various places, xiii. 62, Mallet 



— account of a new pendulum, xvii. 336, Fordyce 



Pendulum watches, success of, for the longit. i. 7, Holmes 



— letter from M. Huygen's on the subject, i. 8 



— structure and use of, ii. 79, Huygens 



Pendulum clocks, see Clocks. 



Penguin, descrip. of the aptenodyta patagonica, xii. 516, 



Pennant 

 Penis, remarks on the, i. 272, De Graaf 



— case of hcemorrhage from, vi. 674, Howrmn 



Pennant, Thomas, biograph. account of, x. 6*88, .... Note 



— of coralloid fossil bodies, ibid 



— description of the Patagonian penguin, xii. 5l6 

 testudo ferox, and coiiacea, xiii. 141 



— natural history of the turkey, xv. 32 



— of earthquakes in Wales, xv. 85 



Pennatula phosphorea, description of, xii. 41, Ellis 



Pen-Park Hole, description of, ii. 551, Southwell 



Pepper, see Pimienta. 



Pepusch, J. C, Mus.D., biograph. notice of, ix. 26s, Note 



— on the music of the ancients, ibid 

 Perch, with crooked tails, in Wales, xii. 420, . . Barrington 



humped backs, in Dalecarlia, xii. 421, Note 



Percival, Philip, meteoric light at Dublin, vi. 455 

 Percival, Thos., M. D., biograph. account of, xiii. 355, Note 



— experiments on Peruvian bark, xii. 423 



— observations on the Buxton and Matlock waters, xiii. 355 

 on the population of Manchester, xiii. 496, 659, xiv. 17 



— a cheap method of preparing potash, xiv. 6*91 

 Percival, T. Roman stations in Cheshire and Lane. x. 197 



— account of a double child, x. 233 



Percussion, on the doctrine of, ii. 388, Marriotts 



on the force of, xii. 498, Richardson 



Pereyra, And., solar eclipse, 1730, at Pekin, vii. 500 

 Perks, John, quad, of the lunula of Hippocrates, iv. 452 



— construction of a quadratrix to the hyperbola, v. 302 



— division of the nautical meridian line, vi. 1S4 

 Periosteum, microscopical obsirv. on, vi. 4 84, Leuwenhoek 

 Peritonaeum, watery cystises adhering to, viii. 492, Graham 



— a blind duct produced by the, x. 222, Le Cat 



Perpetual motion, see Muliun (perpetual). 



Perrault, Claude, biograph. notice of, ii. 202, Note 



— controversy with Mairiotte on vision, ii. 641 



Perry, C, If. d., anal, of the water of the dead sea, viii. 555 



■ hot-spring near Tiberiades, viii. 556' 



— Hammam Pharoan water, ibid 



