in 



Dr. Desaguliers. on Vapours, Clouds and Rain 323 

 John Martyn, on the Peak in Derbyshire . . 331 

 W. Derham, Longit. by Jupiter's Satellites . 334 

 Bianchini, Eclipses of Jupiter's Satellites . . 335 



M. de Lisle, on the same Subject ibid 



Biographical Notice cf Jos. Nic. De Lisle . . ibid 



Fr. Triewald, Cause of Cohesion 330' 



Rev. J. Lewis, on tlie Holt Waters 338 



Hen. de Santnarez, on his Marine Surveyor ibid 

 Col. Maclaurin, the Roots of Equations . . 340 

 Alb. Seba, on the Cinnamon of Ceylon . . . ibid 



Biographical Notice of Albert Seba ibid 



J. G. Scheuchzer, on Bills of Mortality 345 



Rev. Benj. Colman, Earthquake at Boston . 348 



Desaguliers, on the Balance ibid 



W. Derham, on the Aurora Borealis 351 



J. Budgen, on the Urinary Parts 352 



Arthur Dobs, on a Lunar Eclipse ibid 



Nic. Cyrillus, Cold Water in Fevers 353 



Dr. Douglas, on Ipecacuanha 356" 



J. Hadley, Account of Bianchini's Hesperi et 



Phosphori Nova Phaenoniena 359 



Dr. Nicholls, on the Lungs and the Blood . . 36l 

 Fa. Carbone, a Lunar Eclipse at Rome .... 363 



The same Eclipse obsei-ved at Paris 36"4 



Sig. Poleni, the same observed at Padua . . ibid 

 M. Weidler, Lunar Eclipse at Wirtemberg ibid 

 Rev. Tho. Shaw, on the Kingdom of Tunis ibid 

 Biographical Notice of the Rev. Tho. Shaw . ibid 

 Isaac Greenwood, on Damps or Foul Air . . 365 

 P. Collinson, a Well near Queenborough . . 368 

 Biographical Notice of Mr. Peter Collinson ibid 

 Desaguliers, Obser\'ations on the Crane . . . 369 



W. Derham, on the Ignis Fatuus 374 



Eust. Manfredi, on a Lunar Eclipse 377 



The same observed at Rome ibid 



Isaac Rand, Catalogue of 50 Plants ibid 



Desaguliers, on the Axis in Peritrochio .... ibid 



, on the same 380 



John Ward, on the Ancient Equulius .... 381 

 Biographical Notice of Mr. John Ward . . . ibid 

 Ace. of Ixi. Paisley's Treatise on Load Stones 383 

 Ace. of Weidler's Observ. Meteor. Sec. . . . 384 

 Biographical Notice of J. Fred. Weidler . . ibid 



M. Kirch, Occultation of Venus 385 



Dr. Huxham, two Cases in Surgery ibid 



Er. Bruckman, Salt- Works in Hungary . . . 386 



Dr. Rutty, Nat. Hist, of Cochineal ibid 



J. T. Klein, on Worms in Kidneys 389 



Mr. Ranby, Dissection of an Ostrich 392 



Mr. Clarke, on his New Hydrometer ibid 



G. Cramer, on an Aurora Borealis 393 



Biographical Notice of Gabriel Cramer .... ibid 

 Dr. Frobenius, Ethereal Spirit of Wine .... 394 

 Dr. Nicholls, on the Hermaphrod. Lobster . 398 

 Serv. Savery, Magnetical Experiments .... 400 

 Dr. Stuart, the Use of the Bile 407 



Fa. Carbone, a Lunar Eclipse at Lisbon . . 418 



Eclipses of Jup. Satellites at Pekin ibid 



On a Lunar Eclipse at Pekiu 419 



Dr. Nicholls, Veins and Arteries of Leaves ibid 

 Dr. Mortimer, Anastomoses of the Sperma- 

 tic Vessels 420 



M. Garcin, New Plants, called Oxyoides . 421 



John Martyn, Remarks on the same 422 



M. Garcin, on the Plants Musa ibid 



, Hirundinella Marina 424 



J. F. Weidler, Solar Eclipse at Wittemberg 427 



J. Poleni, the same observed at Padua ibid 



Account of Foucquet's Chronol. Table of the 



Chinese History ibid 



Dr. Mortimer, Ace. of Catesby's Nat. Hist. 



of Carolina, &c 432 



Biographical Notice of Mr. Mark Catesby . ibid 

 Wm. Stevenson, Lunar Eclipse at Barbadoes 435 



Alb. Seba, Anatomy of Vegetable.s 4.36 



Evan Davies, Effects of 'J'hunder, &c 437 



Dr. Geo. Martyn, Operation of Bronchotome 438 

 Fa. Carbone, Celest. Observ. at Pekin . . . 440 

 Dr. Chr. Ja. Trew, the Cereus Peruvianus . . 441 

 Biographical Notice of Dr. Chr. Ja Trew . . ibid 



Isaac Rand, Catalogue of 50 Plants 442 



H. Beightou, London-Bridge Water- Works ibid 

 Biographical Notice of Henry Beighton .... ibid 

 Dr. Heister, a Stone voided by the Urethra 44~ 

 Biographical Notice of Dr. Lawrence Heister ibid 



Dr. Derham, on the Frost in Jan 1731 448 



Stephen Gray, Electrical Experiments 449 



Klingenstiern, Quadrat, of Hyp. Curves . . 462 



Dr. Sprengell, on the Plica Polonica ibid 



W. Hoxton, unusual Case of the Magnet. 



Needle 463 



Is. Greenwood, an Aurora Borealis ...... ibid 



Rd. Lewis, the same at Annapolis 464 



Capt. Middleton, Magnetic Variations . . . 460 



, Obs. on the Weather, &c. 466 



M. Triewald, Freezing of Water ibid 



, Early Flowering of Tulips, &c. ibid 



Phil. Miller, Experiments on the same .... 467 

 Dr. T. Madden, Poison of Laurel- Water . . 468 

 Dr. Mortimer, on Printing in Imitation of 

 Painting, and on Weaving Tapestry .... 477 



T. Frewen, the Small-Pox at Hastings 480 



Ja. Hodgson, Eclipses of Jup. Satellites. . . 481 

 Biographical Notice of Mr. James Hodgson ibid 

 Dr. Nicholls, on a Polypus coughed up . . ibid 

 Desaguliers, on a Mechanical Paradox .... 4S2 

 Dr. Michellotti, Vomiting of Blood cured . . 484 

 Jn. Hadley, New lustrum, for taking Angles 486 

 Sir John Clerk, the Ancient Stylus and Paper 49 1 

 Dr. Mortimer, Poison of Laurel- Water .... 495 

 , on Catesby's Nat. Hist, of Ca- 

 rolina 500 



A Solar Eclipse observed at Pekin ibid 



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