CONTENTS, 



111 



Page 



J. Whitehurst, Therm. Observ. at Derby , . 440 



Biog. Notice of Mr. John Whitehurst ibid 



J. Swinton, Curious Phoenician Medal 441 



T. Harmer, on the Fecundily of Fishes . , ibid 

 M. Le Cat, on a Fatal Hydro-enterocele . . 445 

 J. B. Beccaria, Electrical Experiments . . . ibid 

 J. R. Forster, Nat. History of the Wolga . . 446 

 Biog. Notice of Dr. John Reinbold Forster. . ibid 

 P. Fantoni, a certain Mechanical Curve . . . ibid 

 Mr. Mallet, on the best Water Wheels . . ibid 

 Ja. Ferguson, Construction of Sun Dials . . 454 



Alex. Dalrymple, Formation of Islands ibid 



Dr. Horsley, Height of the Sun's Atmos.. . 456 

 Nat. Pigott, Observ. of a Solar Eclipse .... 458 



J. Ellis, Animal Nature of Zoophytes ibid 



, on the Clustered Animal-flower.. 468 



Ed. W. Montagu, on Pompey's Pillar .... 47'2 

 Dr. Watson, on the Cold Weather at Lond. 474 



Mr. Lane, on a New Electrometer 475 



Dr. T. Heberden, Population of Madeira . . ibid 

 p. CoUinson, on very large Fossil Teeth 476, 478 



Wm. Hudson, Catalogue of 50 Plants 478 



Dr. Monro, on some Neutral Salts 479 



p. Woulfe, Distillation of Acids, &c 484 



Sir Wm. Hamilton, Eruption of Vesuvius 494 

 J. Liesganig, Measure of the Meridian. . . . 497 

 Dr. Richardson, on the Force of Percussion 498 

 Dr. Murdoch, Parallaxes of the Sun & Moon 500 

 Dr. Wm. Hunter, on the large Fossil Bones 504 

 Capt. Holland, Astron. Observ. in America 507 

 Dr. Bevis, on the Cold of 1740 and 1768 . . ibid 



J. Short, on the same subject 508 



D. Barrington, Difterence in the Tempera- 

 ture of the Air in Ditferent Ages ibid 



Dr. Priestley, Prismatic Colours by Electri- 

 cal Explosions 510 



Biog. Notice of Dr. Joseph Priestley ibid 



J. Ellis, on Preserving Acorns for Planting 514 

 Dr. Monro, on the Quassia Root in Fevers 515 

 Bishop of Carlisle, Meteorological Observ. 5l6 

 Tho. Pennant, DifJ'. Species of Pinguins . . ibid 

 J. Horsefall, Curious Questions in Chronol. 519 

 Andr. Planman, on the Solar Parallax .... 520 

 Mr. Chais, Inoculation of the Small-pox , . 527 

 P. J. Bergius, on the Plant Croton Lucidum 529 

 Dr. Farr, Meteorological Observations .... ibid 

 Dr. Alex, and P. Russell, Inoculat in Arabia ibid 

 Dr. Wolfe, Meteorological Observations . . 534 

 P. Wargentin,on the Cold in 1767 and 1768 ibid 

 N- Maskelyne, on 2 Papers of Mr. Smeaton 535 

 J. Smeaton, on the Menstrual Parallax .... ibid 



, ObseiY. out of the Meridian 543 



J. Landen, New Method of Curve Areas . . 544 

 S. Douglas, on a Blue Kind of Earth .... 5t7 

 Dr. Benevuti, on two Medical Cases .... /).)l 

 Dr. Parsons, on a Species of Cameleon .... 5 J2 

 J. A. R. Zannoni, Astronomical Observ. . , 554 

 Dr. Watson, Exp. on Sowing Wheat .... ibid 



Page 



J. Robertson, Circulating Decimals 555 



J. R. Forster, Map of the River Wolga 556 



Wm. Hewson, Lymphatics in Birds ibid 



Biog. Notice of Mr. Wm. Hewson ibid 



Apothecaries, Catalogue of 50 Plants .... 56l 



J, Swinton, on a Punic Coin ibid 



■ , on an Etruscan Coin . . 562, 563 



, on a Denarius 562 



N. Maskelyne, Measures in Pennsylvania . . 564 



Mason and Dixon, on the same 566 



N. Maskelyne, Length of a Degree in ditto 573 



Mason and Dixon, Astron. Obs. in ditto . . 578 



Ja. Byres, Extraordinary Heat at Rome . . 579 



J. Canton, Making of his Phosphorus ibid 



C. Mayer, Astronomical Observations .... 583 

 N. Maskelyne, Transit of Venus, 1769 . . . ibid 



J. Moult, of preparing Salep 539 



Dr. Wolfe, Parabolic Burning Mirrors .... ibid 



Dr. Lysons, Case of 3 Pins Swallowed .... 590 



Sir Wni. Hamilton, on Mount Vesuvius . . 592 



D. Barrington, Indigenous Trees 594 



Mr. White, the Os Humeri sawed off 597 



Dr. Borlase, Specimen of Native Tin .... ibid 



J. Strange, Natural Paper at Cortona 598 



Dr. Priestley, Lateral Force of Electricity . . 60O 



, Force of Electrical Explosions 603 



Ste. De Visrae, Earthquake, and Strange 607 



Monkey 608 



J. Robertson, on a Law of Motion, 8fc. . . . 



Wm. Paxton, Terrible Effects of Lightning 61O 



Dr. Farr, Meteorol. Register at Plymouth. . ibid 



M. Messier, Remarkable Aurora Boreales 6II 



Rd. Price, Population and Value of Lives .. 61I 



R. E. Raspe, on Fossil Elephants' Bones . . 6l2 



J. Ellis, Animalcula in Vegetable Infusions ibid 



Dr. Milles, Meteorological Observations . . 620 

 Committee of the r. s. to secure St. Paul's 



from Lightning ibid 



Ja. Horsefall, Obs of the Transit of Venus 625 



Tho. Hornsby, Observations of the same . . ibid 



Sam. Horsley, Observations of the same . . 629 



Dr. Bevis, Observation of the same 63 1 



J. Canton, Observation of the same 632 



J. Strange, Sepulchral Inscriptions 633 



Wm. Hewson, Lymph, in Amphib. Anim. ibid 



, Lymphatic System in Fishes ibid 



Mr. Lane, Solubility of Iron by Fixed Air 633 

 W. Hirst, Phenom. at the 'I'ransit of Venus 639 



Mr. Ludlam, Obs. of the Transit of Venus 6+1 



Dr. J. Hope, on a Rare Plant 642 



Sam. Holland, the Transit of Venus ibid 



J. Dixon, on the same 644 



Mr. Bayley, on the same ibid 



T. Wright, the same 646 



B. Gooch, on a Cuticular Disease 648 



Andr. Mayer, Transit of Venus ibid 



J. Smeaton, a Solar Eclipse ibid 



Dr. Smith, &c. Transit of Venus 649 



a a 



