80 



ORT 



INDEX. 



PAD 



Oldenburg, Henry, on the medical effects of friction, i. 67 

 trials of transfusion of blood ; circumspection recom- 

 mended, i. 183 



— trials of transfusion at Paris, i. 204, 

 Ombrometer, see Rain-gage. 



Oliver, Andrew, of an extraordinary sickness among the 



Indians at New England, 1763, xii. 170 

 Oliver, W., m. d., pressure of water at several depths, iii. 585 



of an ebbing and flowing well near Torbay, ibid 



curiosities seen in Denmark and Holland, v. 45 



account of a calenture [phrenitis] v. 104 



— of the Peruvian bark tree, v. 1 19 



— case of extraordinary sleepiness, v. 277 



genitals of a woman preternaturally formed, vi. 673 



— cases of dropsies cured by sweet oil, x. 567 

 Omentum, dissection of a child without, vi. 307, Blair 



— case of a very large omentum, vii. 17» Huxham 



Opal, method of counterfeiting opal, i. 270, Colepresse 



Ophidium barbatum, description of, xv. 134, . . Broussonet 



Ophris, lilifolia, description of, xi. 701, Ehret 



Opium, use of, by the Turks, and effects, iv. 101, . . Smyth 



— a great quantity taken without sleep, iv. 634 

 Opossum, anatomy of the, iv. 248, v. 105, Tyson 



— anatomy of the male, v. 1 1 1, Cowper 



Optics, to make the picture of any object appear on a wall. 



i. 269, Hook 



— observations on Iceland crystal, i. 545, Bartholin 



— Alhazen's problem solved, ii. 97 



problem why 4 convex glasses in a telescope make ob- 

 jects appear erect, iii. 329, Molyneux 



— cause of the apparent greater magnitude of the sun and 



moon, when near the horizon, than when more ele- 

 vated, iii. 365, Molyneux j opinion on the same sub- 

 ject, iii. 369, Wallis 



— optical experts, before the r. s., vii. 292, . . Desaguliers 



— on the apparent increased size of the sun and moon near 



the horizon, xi. 6l 1 , Dunn 



— difference of reflection from water and air, xii.4, Edwards 



— observ. on horizontal refractions, xviii. 86, .... Huddart 



— double images by atmospherical refraction, xviii. 667, 



Wollaston 



— see Light (Optics) . 



Optic glasses, improvement of, i. 2, Campani 



• , on rock crystal for, i. 134, Divini 



— account of Mr. Smethwick's, i. 226 



— polished by a turn-lath, i. 284 



— of a natural lens of water, iv. 166, Gray 



— on the application of telescopic sights, vi. 295, Derham 



— combination of lenses with reflecting planes, viii. 54 



— see Object Glasses, Telescopes, Microscopes, &c. 



Optic nerve, microscopical observs. on, ii. 222, Leuwenhoek 



— see Eye. 



Opuntia, its effect in colouring the juices of animals, xi. 137, 



Baker 

 Oram, R., convulsions cured by a discharge of worms, xi. 203 

 Orang outang, organs of speech of the, xiv. 503, . . Camper 

 Orange-tree grafted on a citron, fruit of, ii. 213, . . Natus 



Orcades, current of tides about the, ii. 106, Moray 



Ores, chemical examinat. of, xiv. 585, Fordyce and Alchorne 

 Organ, on the imperfections in an organ, iv. 287,. . . .Wallis 

 Orkney islands, some particulars of, iv. 487, .... Wallace 

 Ornithorhyncus paradoxus, on the head of, xviii 746, Home 

 Ornithology, notes, as additions to Mr. Ray's book, iii. 



215, Lister 



Orred, Daniel, head of the os humeri sawed off, and motion 



of the limb preserved, xiv. 477 

 Orthoceratites, a remarkable specimen of, xi. 10, . . Wright 

 — nature and origin of, ibid, Same 



Orthoceratites, description of a rare species of, xi. 26/, 



De Himsel 

 Orthography, on an universal primer, iii. 314, .... Lodwick 

 Osborne, John, success of inoculation at Boston, vi. 616 



Oscillation, on finding the centre of, vi. 7, Taylor 



Os femoris, loss of a part supplied by a callus, v. 532, Sherman 



— another case of the same nature, viii. 326 ; another, viii. 



503, Wright 



— remarks on a fracture of, vi. 263, Douglas 



— extraction of the bead of, viii. 620, Schlichting 



— reduction of, after luxation, xi. 482, White 



— another case, xi. 496, Young 



Os frontis, of a prodigious human, iii. 121, .... Molyneux 

 Os humeri, its purpose supplied by a callus, v. 378, Fawler 



— head of, come away by mortification, vi. 556, . . Derante 



— use of the arm retained after the loss of, xiii. 539, Bent 



— another case of, xiv. 477, Orred 



Os ilium, case of a fracture of, ix. 173, Layard 



Os pubis, death of Dr. Greene, by a fracture of, ix. 370,Cameron 

 Ossification, and petrifaction of the arteries, v. 205, Cowper 



— of the crural artery, vi. 5 '9. Naish 



— of the tendons and muscles, xi. 335, 336, 542,. . Henry 



— of the thoracic duct, xiv, 684, 739t Cheston 



Ossory, Bp. of, of a Giant's Causeway in Scotland, xi. 533 

 Osteocolla, description of, i. 278, Beckman 



— cases of the medicinal virtue of, viii. 326, .... Sherman 



— nature of, ix. 126, Beurer 



Ostracites, a remedy in gravelly affections, iv. 355, . . Cay 

 Ostrich, dissection of, ii. 534 Brown 



— anatomical description of, iii 393 



— dissection of, vii. 69, Ranby 



vii. 150, Warren 



— observations on the dissection of, vii. 392, Ranby 



Otis minor [tetrax] account of, x. 452, Edwards 



Otter, observations on the anatomy of, ii. 291 



— from Hudson's Bay [mustela lutreola] xiii. 326, Forster 



— anatomy of the sea- otter, xviii. 34, Home and Menzies 

 Ova, see Eggs. 



Outram, Benjamin, singular balls of limestone found in 



cutting the Huddersfield canal, xviii. 30 

 Ovals, instrument for drawing and turning, xiv. 700. Ludlam 



Ovarium, case of dropsy in the left, ii. 437, Sampson 



— — — tumours in, ii. 501, Same 



foetus in, ii. 650, Maurice 



— dropsy in one of the ovaries, iv. 375, Sloane 



— dropsy in the, v. 31 8, Douglas 



— cure of dropsy in, vii. 2, Houstoun 



— tumour in, with hair, ix. 29, Haller 



— extraordinary case of dropsy in, xv. 625, .... Martineau 



— effect, on the prolific power," of extirpating one ovarium, 



xvi. 256, Hunter 



— on the formation of hair, &c. in the, xvi. 535, . . . Baillie 

 Owl, several species from Hudson's Bay, xiii. 332, . . Forster 

 Ox, of a preternatural substance cut from an, iii. 1 16, 



— micros, observ. on the palates of, v. 481, . . Leuwenhoek 

 Oxford, philosophical society, specific gravities of grain, and 



various other bodies, iii. 138 

 Oxyoides [oxalis,] account of this family of plants, vii. 421, 



Garcin 

 Oysters, account of shining worms in, i. 67, Auzout 



— microscopical observations on, iii. 481, . . . . Leuwenhoek 



— on stocking of the river Mene with, vi. 548, . . Rowland 



— and oyster-banks of Pennsylvania, ix. 70, Bartram 



— see Shells. 



Packer, Philip, a petrifaction on the trunk of an elm, i. 122 

 Paderborn, a remarkable periodical spring at, i. 45 



