CONTENTS. 



Newton's Theory of Light, . . Horsley. 

 Aber. of Light at a Transit, . . Price. . . 

 Phosphoric Colours, Beccaria 



8. Electricity, Ma 



Temperature of the Sea, .... Douglas . . 

 Lateral Force of Electricity, . . Priestley . 



Electrical Atmospheres, Beccaria. . . 



Declination of the Needle, . . Mallett 



Variation of the Compass, .... Cook 



Phenomena of Electricity, .... Cavendish. . 

 Atmospherical Electricity, .... Ronayne . . 



A New Electrometer, Henley 



On Dipping Needles, Naime .... 



Electrical Expts. on Charcoal, Kinnersley 

 Thermometrical Experiments, Watson. . . . 

 Purfleet Powder Magazines, . . R. Soc. . . 

 Buildgs. secured from Lightning, Wilson . . . 



On the same subject, R. Society. . 



Electrical Experiments, Brydone . . 



The Electrical Machine, .^Nooth 



7. Optics. 



Pi%<: Page 



65 Newtonian Theory of Light, . . Horsley ... 210 



89 Hadley's Quadrant, Maskelyne 292 



130 South- Sea Musical Instrument, Steele .... 591 



gnetism. Thermometry^ &c. 



9 Electricity of the Torpedo, .... Walsh .... 469 



36 Electrical Experiments, Naime .... 498 



50 Pointed and Blunt Conductors, Henley.... 512 



61 Electrical Experiments, Henley. ... 551 



178 Experiments on the Torpedo, Ingenhousz 575 



2?3 A new Dipping Needle, .... Lorimer . . . 593 



310 On the Electrical Eel, Williamson 597 



323 On the same, Garden 600 



360 Experiments in a heated Room, Blagden . . 604 



370 The Dipping Needle, Hutchins . . 6 1 3 



37 1 Thermom. Observ. in India, . . Barker .... 631 



ibid The Gymnotus Electricus, Hunter. . . , 666 



374 Heat at London and Edinburgh, Roebuck . . 685 



382 Experiments in a heated Room, Dobson . . 687 



4 1 5 The same subject, Blagden . . 695 



456 Magnetic Variations, Douglass . . 729 



Class III. Natural History. 



The Camelopardalis, Carteret . 



New Scaly Lizard, Hampe 8 



Uncommon Sponges, Strange. ... 32 



On the Tarantula, Ciiillo 46 



Bluntheaded Cachalot, Robertson. . 57 



Bird from the East Indies, .... Edwards . . 93 



The Nyl Ghau, Hunter 117 



The Aphides of Linnaeus, .... Richardson 1 20 



Aquatic Bivalve Insects, Muller 132 



Singular Soutli Sea Fish, Tyson.... 136 



Two New Tortoises, Pennant . . 141 



An American Mole, Barrington 148 



Uncommon Malacca Bird, .... Badenach. . C67 



I. Zoology. 



7 Hudson's Bay Quadrupeds, . . Forster. 



-^^— — ^ Birds, Forster. 



Fishes, Forster. . 



On the Ptarmigan, Barrington 



The Sea Anemonies, Dicquemare 



On the Gillaroo Trout, Barrington 



The Stomach of tlie same, .... Watson . . 



The House Martin, White .... 



Torpedos of the English Coast, Walsh 



The Sea Anemonies, Dicquemare 633 



On the Sea Cow, Shuldham 643 



On Swallows, Swifb, &c White 6*5 



Nature of the Gorgonia, Ellis 720 



326 

 331 

 410 

 433 

 460 

 509 

 510 

 530 

 570 



2. Botany. 



On the Manna Tree, CirilJo .... 46 



The Starry Aniseed Tree, Ellis 85 



Catalogue of 50 Plants, Hudson . . 91 



On Chestnut Trees, Ducarel . 110 



On the same, Thorpe. ... 1 1 6" 



On the same, Hasted. . . . ibid 



On the same, Barrington ibid 



The Nyctanthes Elongata, .... Bergius . . 147 



On some English Plants, Waring . . 1 7 1 



Catalogue of 50 Plants, Alchome . . 173 



New Species of Oak, Holwel. . . . 300 



Catalogue of 50 Plants Apothecaries 370 



On Cultivating Botany, Ducarel. . , 



Rare American Plant, Bergius . . 



Hindostan Sun Plant, Ironside 



Catalogue of 50 Plants, Curtis . , 



On Abyssinian Myrrh, Bruce . , 



3. Mineralogy, Fossilogy, &c. 

 Journey to Mount Euia, Hamilton . . 1 Bones in Gibraltar Rock, .... Hunter 



Production of White Marble, Unipe 10 



Experiments on Charcoal, .... Priestley . . 45 



On the Soil about Naples, .... Hamilton 

 On Elden Hole, Lloyd. . . . 



383 

 419 

 506 

 530 

 672 



64 



92 



137 



