50 



HAT 



INDEX. 



HEA 



Hamilton, Hon. Sir Wm,, earthquakes in Italy, 1783, xv. 373 



— state of Vesuvius after the eruption, 1784, xvi. 181 



— journey to Abruzzo, and to Ponza, ibid 



— eruption of Vesuvius, 1794, xvi i. 492 



Hamniam Pharoan water, analysis of, viii. 556, .... Perry 

 Hampe, J. Henry, m. p., descrip. of the narhwal, viii. l6l 



— description of the manis pentadactyla, xiii. 8 

 Hanbury, W., meth. of making coal-balls at Liege, viii. 4S3 

 Hanckewitz, Amb. Godf., biograp. notice of, vii. 596, Note 



— experiments on the phosphorus of urine, ibid 



— analysis of the Westashton waters, viii. 522 



Handel, instance of the early genius of, xiii. 13, Barrington 

 Hanley, P., m. d., of a steatomatous tumour in the abdomen, 



xiii. 108 

 Hardisway, P., m. d., dissec. of a man dead of stone, vi. 657 



— caries and separation of the cheek-bone, vii. 2l6 

 Hare, observations on the dissection of, v. 314, . . Marchetti 



— specific characters distinguishing it from the rabbit, xiii. 



267, Barrington 



— two species of, from Hudson's Bay, xiii. 328, . . . Forster 

 Harmattan, an African wind, account of, xv. 23, Dobson 

 Harmer, Thomas, on the fecundity of fishes, xii. 441 

 Harris, Daniel, transit of Venus, 1769, Windsor, xii. 676 

 Harris, John, d. d., biographical notice of, v. 149, • . Note 



— observations of animalcula in water, iv. 89 



— Roman inscription at Caerleon, vi. 394 



— efficacy of Villette's burning-glass, vi. 405 



Harris, Joseph, astronomical observ. at Vera Cruz, vii. 224 



— magnetical variations in the Atlantic, vii. 604 



— description of a water- spout, vii. 606 



Harrison, John, biographical account of, x. 284, .... Note 



— small wasps in New England, x. 1 82 



— to remedy the expansion of pendulums, x. 284 



Hart, Cheney, m. d., exper. in medical electricity, x. 534 



— cure of a paralytic arm by electricity, x. 700 



Hartley, David, biographical account of, viii. 205, . . . Note 



— case of hydrophobia, ibid. 



— of a calculus which worked thro' the perinaeum, viii. 405 



— account of Trew's dissertatio de difFerentiis, &c. viii. 425 

 Hartmann, P. J., shape of an embryo of 4 months, . . iv. 236 



— account of amber, iv. 347 



Hartop, Martin, on the cause of earthquakes, iii. 555 

 Hartsell Spa Water, discov. and nature of, xi. 87, Walker 



— chemical analysis of, xi. 88, Note 



— observations on, xi. 430, Rutty 



Hartz Mines, barometrical measurement of their depth, xiv. 



180, 574, De Luc 



Harvey, Wm., m. d., account of his discovery of the circu- 

 lation of the blood, i. 319, Note 



— dissection of the body of Thomas Parr, i. 3 1 9 

 Harwich ClifF, ace. of, & fossil shells found there, v. 124, Dale 

 Harwood, (Prof.) exper. of transfusion of blood, i. 185, Note 

 Harwood, John, d. d., of a Roman hypocaust, v. 291 

 Haskins, Joshua, improvement of his water engine, vi. 55, 



Desaguliers 

 Hassel, R., the eye cured of a wound from a piece of wood, 



ix. 566 

 Hasselquist, Dr., method of making sal ammoniac in 



Egypt, xi. 433 

 Hassenfratz, M., experiments on hepatic airs, xvi. 286 

 Hasted, Edward, on chesnut trees in England, xiii. 1 J 6 

 Hatchet, see Antiquities. 

 Hatchett, Charles, analysis of the Carynthian molybdate of 



lead, xviii. 4 



— experiments on molybdic acid, xviii. 21 



— analysis of terra australis, xviii. 290 



— analysis of the water of the Mere Diss, xviii. 428 



— analytical experiments on shells and bone, xviii. 554 



Hatchett, Chas., chemical experiments on zoophyta,xviii.706 



— on the component parts of membrane, xviii. 725 

 Hatley, Griffin, u. d., description of shell-like fossils, iii. 4 

 Hauksbee, Francis, account of, v. 147, Note 



— cause of the mercurial descent in a storm, ibid. 



— gun-powder fired on red hot iron in vacuo, v. 182 



— on the quality of the air produced as above, ibid. 



— production of light from phosphorus in vacuo, v. 196 



— experts, on the sound of a bell in vacuo, &c. v. 202, 203 



— resilition of bodies in air and in vacuo, v. 208 



— descent of bodies in the exhausted receiver, ibid. 



— experiments on the mercurial phosphorus, v. 254 

 the attrition of bodies in vacuo, v. 270 



— comparative weight of water and air, v. 288 



— ascent of water in small tubes, in vacuo and in air, v. 289 



— electric, of glass by attrition, v. 307, 324, 344, 355, 411 



— experiment of compressed air on hemispheres, v. 356 



— quantity of air from fired gunpowder, v. 363 



— effect of a violent impulse on the spring of air, v. 364 



— electricity from attrition, v. 413 



— densities of the air at different temperatures, v. 41 6 



— condensing of several atmospheres of air, v. 451 



— electricity of sealing-wax, v. 452 



— weight of water under differ, circumstances, v. 453, 470 



— exper. on the seeming spontan. ascent of water, v. 464 



— densities of water at different temperatures, v. 469 



— experiments of freezing common W3ter, and water freed 



from air, v. 482 



tinctured waters, v. 483 



to try the specific gravity of bodies, v. 484 



— sound not transmissible through a vacuum, v. 499 



— propagation of sound through air, v. 500 



water, ibid. 



— phosphoric nature of pitch, v. 509 



— sulphur not productive of light, v. 528 



— experiments on the fall of bodies, v. 6l2 



— effects of air vitiated by heat, v. 6l4 



— refractions and specific gravity of fluids, v. 616 



— of liquors occupying less space when mixed, v. 644 



— light through a metallic body by attrition, v. 645 



— ascent of oil between planes, v. 659 



— necessity of air to fishes, v. 669 



— suspension of oil between planes, v. 6"79 



— power of the loadstone at different distances, v. 696 



— specific gravities of several metals, v. 698 



— ascent of water between planes, v. 707 ; vi. 40 



— specific gravity of the strata of a coal mine, v. 708 



— ascent of spirit of wine between planes, vi. 40, 41 

 Haughton, M., method of making salt water sweet, i. 549 



— on another passage for the urine, i. 550 



Havers, Clopton, m. d., some account of, iii. 46l, . . . Note 



— haemorrhage from the glandula lachrymalis, iii. 6l8 



— hypothesis of the concoction of food, iv. 400 

 Hawk, several species from Hudson's Bay, xiii. 331 

 Hawkins, — , solar eclipse Nov., 1722, at Wakefield, vi. 604 



Hay, several sorts of plants fit for, iv. 136, Lister 



Haydon, Richard, transit of Venus, June, 1761, xi. 559 

 Haygarth, H , m. »., bills of mortality of Chester, 1772, 



xiii. 496; 1793, 595 



— mortality of Chester compared with that of Northampton, 



London, and Norwich, xiii. 498 



— population and diseases of Chester, 1774, xiv. 311 

 Hazen, Willem Van, fall of rain at Leyden, 1751, x. 233 

 Head, a monstrous, with eyes united, i. 29, Boyle 



— cure of a fractured head, viii. 439, Cagua 



— instance of an extraord. large head, xii. 551, Benvenuti 

 Hearing, on the organ of, iv. 448, Vieussens 



— see Ear, Deafness. 



