CONTENTS, 



Account of Falkland Islands, . . Clayton 

 Astronomical Observations, .... Pigott .... 



Health of his Ship's Crew, Cook 



Tides in the South Seas, Cook 



A Belt on Saturn's Disc, Messier . . 



Long, of Paris and Greenwich, Wargentin 

 A Passage in Ebn Younes, .... Costard . . 

 Bramin's Observatory at Benares, Barker. . . . 



Prismatic Micrometer, Maskelyne 



Voyage to the East Indies, .... Dalrymple 

 Astronomical Observations, .... Pigott .... 



Densit}' of the Earth, &c Hutton . . 



Observ. on a Solar Eclipse, Wales 



3. 



Force of Fired Gunpowder, .... Hutton 



2. Astronomy, Chronology, Navigation. 



I On the same, Ludlam . . 



22 Voyage to Davis's Straits, &c.. . PickersgiU 



58 Periodic Time of a Comet, .... Lexell. . . . 



7 1 Annular Eclipse of the Sun, .... Ulloa .... 



108 Astronomical Observ. at Cork, . . Longfield 



131 Longitude of Cork, Maskelyne 



1 33 Latitude of Madras, Stevens . . 



2 14 Correcting Errors of Refraction, P. DoUond 



250 Precession of tiie Equinoxes, . . Milner . . 



3S6 Place of Greatest Attraction, . . Hutton . . 



400 Voyage to Japan, Thunberg 



408 On the Star Collo Ceti, Herschel 



460 Height of the Lunar Mountains, Herschel 



111 



461 

 475 

 485 

 4"5 

 511 

 ibid 

 512 

 524 

 :,7G 

 603 

 634, 

 6.9 

 717 



Chronology, Gunnery, Projectiles. 



Treatise on Rivers and Canals, . . Mann. 



282 New Theory of Gunpowder,. , 



Hydraulics. 

 717 

 Pneumatics. 



Ingenhousz 540 



Barom. Obs. in the Hartz Mines,DeLuc, 180,574 

 Barom. Obser. in Savoy, Shuckburgh 203 



Exp with Smeaton's Air-pump, Naime 

 On Barometrical Measurements, Roy 

 Force of Fired Gunpowder, .... Hutton 

 Exper. on different Effluvia, . . Wliite. 



6. 



The Infant Music, W. Crotch, Burney 



Areometry and Pyrometry, . . . De Luc . . 387 



Baromet. Measurem. of Heights,Shuckburgh 405 

 _ _ .... .. .. _ ^^g 



54L. 

 56'3 

 691 



220 On Breathing Inflammable Air, Fontana 



. . 226 New kind of Inflammable air, Ingenhousz 



. . 282 Salubrity of different Air, .... Fontana . . 



. . 322 Salubrity of Sea and Land Airs, Ingenhousz 



Acoustics, Music. 



.. 513 



7. 



143 



157 



248 



250 



Persons not distinguishing Col. Huddart . . 

 Metals for Reflecting Telescop. Mudge . . 

 New Microm. and Megameter, Boscovich. . 

 The Prismatic Micrometer, . . . Maskelyne 



8. Electricity, 

 Dipp. Need, and Freezing Merc. Hutchins. . 



Torpedo and Electricity, Cavendish 



Electricity of the Atmosphere,. . Cavallo . 

 Effects of Lightning on Bullocks, Henly. . . 

 Experiments on Ignited Bodies, Roebuck. 

 Machine for Perpet. Electricity, Henly. . , 

 Experiments on Ignited Bodies. Whitehurst 1 1 2 

 On Dr. Knight's Magn- Mach . . J. FoUiergilll 17 



New Electrical Experiments, . Cavallo 

 Exper. and Observ. inElectricity,Henly. . . . 

 Electrical Exper. and Observ. . . Cavallo . . 

 On the Use of Thermometers,. . R. Society 

 Heat of Animals and Vegetables,J. Hunter 

 MuscularContract. cured by Elec. Partington 



Electrical Experiments, Swift .... 



Accident by Lightn. at Piirfleet, Nickson. . 

 Rep. of the Com. of tlie R.s.on it, R. Society 

 Dissent from the Comm. Report, Wilson . . 

 Letter to the r. s. on the same, Bd of Ordn 



Class III. Natural 



A New Species of Cuckoo, .... Sparman. . 1 28 

 On the Blue Shark, Watson, jun.423 



Optics. 



Imperfection of Sight, Scott .... 394 



Iconantidiptic Telescope, Jeaurat .. 501 



Correcting the Errors of Refract. P DoUond 524 



Two New Micrometers, Ramsden . . 557 



Magnetism, Thermometry. 



20 New Exper. on Conductors, .... Wilson . . 337 

 On Pointed Electric. Conductors, Naime . . 427 

 Dissent from the Electr. Comm. Musgrave 440 

 Amalgam for Electr. Excitation, Higgins . . 446 

 Termination of Electr. Conduct. Wilson .. 458 

 To light a Candle by Electricity, Ingenhousz 462 

 Exper. with the Electrophorus, Ingenhousz 463 



On the same, Henly. . . . 473 



St. Vitus's Dance cured by Elect. A. Fothergill476 

 Knight's way of making Magnets, Wilson . . 480 

 Effects of Lightning on a Ship, Cooper .. 510 

 Temperature of Boiling Water, Shuckburgh 537 

 Experiments in Electricity, .... Swift .... 57 1 

 Suspending Magnetic Needles, Ingenhousz 589 

 Improvements in Electricity, . . Ingenhousz 598 



23 

 60 

 (.0 



96 

 97 



129 

 130 

 180 

 258 

 278 

 302 

 314 

 383 

 ibid 

 334 

 336 



New Electrical Experiments, . . Cavallo 

 Wire Shortened by Electricity,. . NaLme 

 Thermometrical Experiments, . . Cavallo 



Zooloi 



HiSTOBY. — 1. IjOOlOgy. 



On the Flying Fish, Brown 



On an Extraordinary Pheasant, J. Hunter 



1. Botany. 

 224 Sitodium IncisumetMacrocarpon,Thunberg 

 521 



Culture of Pine Apples, Bastard 



Culture of the Sugar Cane, Cazaud 



3. Mineralogy , Fossilogy, &c. 

 Experiments of Platina, &c. ..Ingenhousz 38 Experiments on Lead Ore, 



The Iron Ore in Siberia, Pallas ... 99 



Exper. on Mineral Substances,. . Woulfe .. 120 



Volcanic HiU near Inverness, . . West .... 179 



Volcanos near the Rhine, Hamilton 276 



A large Stone near Cape Towu, Anderson 303 



. . Watson . . 

 Experiments on Minerals, .... Woulfe . . 



A PetrefactioB of Sand, &c King . . . . 



Examination of various Ores, . . Fordyce . . 

 Eruption of Vesuvius, Hamilton 



608 

 688 

 740 



423 

 723 



572 



447 



477 



585 

 613 



