CONTENTS OF VOLUME FIFTEENTH. 



CHI 



Page 



Forster on the Tyger-Cat of the Cape .... 1 



Kirwan, on various Saline Substances .... 3 



Brereton, on a Storm of Lightning 21 



Dobson, on the African Harmattan 23 



Hunter, New Method of the Screw 28 



Pennant, Account of the Turkey 32 



E. Pigott, on a Nebula in Coma Berenices. 37 



N. Pigott, on some Double Stars 38 



Rennell, on the Ganges and Burrampooter. 39 



Herschel, Rotation of the Earth and Planets. 50 



Smeathman, on the Termites of Africa, &c. 60 



Pennant, on Earthquakes in Wales 85 



Stanhope, Earl, on the Roots of Equations. 86 



De La Trobe, Meteor. Journ. at Labrador. . 87 



Royal Society, at London. 87, 277 



Thompson, Experiments on Gunpowder. . . 88 



Cavallo, Luminous Appearance in the Sky. 114 



J. Lloyd, Earthquake near Denbigh 115 



Blagden, Heat of the Gulf-Stream ibid 



Englefield, the Soil at opening a Well 117 



N. Pigott, Astronomical Observations ibid 



Barker, Meteorolog. Journ. 118, 277, 396*, 543 



Bland, Deaths, &c. from Parturition 118 



Wright, a Child born with the Small-pox. . 123 



Kerr, on the Gum Lacca Insect 1 24 



Marsden, a Phenomenon at Sumatra 127 



P. Wilson, Exper. on Cold at Glasgow .... 129 



Atwood, on the Mensuration of Angles. . . 133 



Broussonet, on the Ophidium Barbatum. . . 134 



Marsham, on Washing the Stems of Trees. 138 



Wales, on the Roots of Affected Equations. 139 



Crawford, Power of AnimalstoproduceCold. 147 



Herschel, on a Comet, or the New Planet. . 154 



, Micrometer for Angle of Position. 1 55 



Willard, on the Long, of Camb. in America. 156" 



Cavallo, on Thermometrical Experiments. . 157 



Gioeni, on a New kind of Rain 16~5 



Crell, Experiments on the Acid of Fat . . 168 



White, on Bills of Mortality at York 177 



Torlese, Account of a Monstrous Birth. ... 180 



Fitzgerald, Exper. on Chinese Hemp-seed. . ibid 



More, on Scoria from Iron-Works 182 



Gorsuch, Parish Registers of Holy Cross . . 183 



P. Wilson, Refraction and Velocity of Light. 18+ 



G. Lloyd, Quantity of Rain at Barrowby . . 1<;3 



Six, of an improved Thermometer 195 



Herschel, Parallax of the Fixed Stars 196 



, Catalogue of Double Stars 213 



, of a New Lamp Micrometer . . 229 



, Great Power of his Telescopes. . 234 



Kirwan, Spec. Grav. &c. of Saline Sub. 236", 327 



Volta, on very weak Electricity 26'3 



Wedgewood, Thermom. of Great Heat 278, 571 

 vol. xv. a 



Page 

 Biog. Notice of Mr. Josiah Wedgewood. . . 278 

 Withering, on Rowley-Rag and Toad-stone. 290 



Biog. Notice of Dr. Wm. Withering ibid 



Smeaton, on the Collision of Bodies 295 



Blagden, Effects of Lightning at Heckington. 306 

 J. Hunter, Organ of Hearing in Fishes. . . . 308 



Brook, of a New Electrometer ibid 



Vince, on the Sums of Infinite Series. . 309, 638 

 Hellins, on the Equal Roots of Equations. . 317 

 Ingenhousz, Influence of Veget. on Animals, 319 

 Herschel, on the Name of his New Planet. . 324 



, Diam. and Magnitude of the same 325 



Schotte, on a Large Species of Sarcocele . . 345 

 Ramsden, New Eye-glasses for Telescopes. 350 



Tunstall, on some Lunar Rainbows 353 



J. Lloyd, account of an Earthquake ibid 



Cavendish, of a new Eudiometer 354 



Edgeworth, the Resistance of the Air .... 362 



Wilson, Alex, on the Solar Spots 366 



Hamilton, Sir W., the Earthquakes in Italy. 373 



Ippolito, on the same Earthquakes 383 



Marshall, on the Turnip Caterpillar 386 



Nairne, Wire shortened by Lightning .... 388 

 Schevediawer, Account of Ambergris .... 389 

 Herschel, Motion of the Solar System. . . . 397 



Wedgwood, Derbyshire Black Wadd 409 



De Chaulnes, Salt of Urine & Phos. Acid. . 411 



Hutchins, Congelation of Mercury ibid 



Cavendish, on the same subject 420 



Blagden, on the same 431 



Priestley, on Phlogiston, Air, and Water . . 453 



Cavallo, on an improved Air-Pump ibid 



Landerbeck, Variations of Curvature . 456, 627 

 Goodricke, Variation of the Star Algol. 456, 544 



Englefield, on the same subject 460 



Palitcb, on the same ibid 



Page, the Wells at Sheerness, Harwich, &c. 46l 



Pigott, Edw. on a New Comet 464 



Hulton, a New Division of the Quadrant. . ibid 

 Michell, Distance and Mag. of the Stars. . . 465 



Atkins, Meteorological Journal 477 



Cavallo, on the Meteor of Aug. 18, 1783. ibid 



Aubert, on the same subject 479 



Cooper, on the same 480 



Edgeworth, on the same 481 



Cavendish, Experiments on Air 4S1 , 510 



Kirwan, Remarks on the same 502, 514 



Wollaston, Astronomical Observations ... . 516 

 Blagden, Observations on Fiery Meteors . . 520 

 Herschel, on the Polar Regions of Mars . . 531 



Andre, on the Teeth of some Fishes 538 



Withering, on the Terra Ponderosa, &c. . . 544 

 Wallot, on a Transit of Mercury 553 



r- n r> 



