CONTENTS. 



Ill 



Pa?p 



Wm. Beckett, Antiq. of Venereal Disease 467 



Mr. Cotes, on a Great Meteor \n 



Dr. Quincy, the Operation of Medicines . . 479 



Dr. Steigerthal, a Cramp and Fistula ibid 



Dr. Desaguliers, on a Vacuum 480 



Dr. Michelotti, Distemper in Venetian Cattle 481 



Dr. Vater, on a Propendent Colon 483 



Biographical Notice of Dr. Vater ibid 



Leuwenhoeck, Bones and Periosteum 484 



Dr. Rutty, on a Cloven Spine, &c 487 



Hen. Cane, Change of Colour in Grapes, &c. 489 



Ste. Gray, on Electrical Experiments 490 



Wm. Beckett, Hist, of the Vener. Disease 492 



Dr. Desaguliers, on the Paris Weights .... 494 



Dr. Halley, Cross Hairs in the Telescope. . ibid 



. on Heights by the Barometer 496" 



Wm. Sanderson, Magnetic Variations .... 498 



Mr. Robie, Alkaline Salt in Rotten Wood. . 499 



Dr. Steigerthal, a Foetus 46 yrs. in the Body 500 



Leuwenhoeck, Membranes of Fibres 502 



Vessels in Wood. &c 504 



Dr. Desaguliers, Resistance of Fluids .... 506 



P. Dudley, Poison -wood Tree 507 



Dr. Sherard, on the same 508 



P. Dudley to discover the Bees' Nests 509 



Dr. B. Taylor, Parabolic Projectiles 510 



P, Dudley, American Moose Deer 515 



Dr. Halley, Astronomical Refractions .... 517 



Magnetic Variations, &c 519 



. On the Diving Machine 521 



J. W. Aurora Borealis at Dublin 523 



8. Cruwys, on the same in Devonshire. . . . ibid 



Leuwenhoeck, Fibres of Fishes ibid 



On the Seeds of Plants 527 



Dr. B. Taylor, Experiments on Magnetism 528 



Dr. Halley, Planets Places by the Stars. . . 530 



on a Parhelion 531 



Wm. Whiston, Mock-suns, Halo, &c. . . 532 

 Biographical Notice of Mr. Wm. Whiston ibid 



Dr. Blair, Generation of Plants 534 



Geo. Graham, Height of the Barometer . . 537 

 Biographical Notice of Mr. George Graham ibid 



Dr. Jurin, Specific Gravity of Solids 538 



Edw. Naish, Ossification of an Artery. . . , 539 



Leuwenhoeck, Pores in Leaves, &c 541 



Dr. Desaguliers, Perpetual Motion 542 



M. Du Quet, on Rowing Ships 543 



Mr. Rowlands, on Oysters, &c 548 



Dr. Halley, Longitude of Buenos Aires. . . . 549 



Dr. Desaguliers, a Water Engine 550 



P. Derante, the Os Humeri, &c SbQ 



Dr. Thorpe, Hydatids in the Abdomen. . . . ibid 

 Dr. Deidier, on Persons dead of the Plague 5b7 



Biographical Notice of Dr. Deidier ibid 



Messrs. Duli and Morel, on the Plague, &c. 56 1 



Hen. Newman, Inoculation in America . . 563 



Dr. Nettletop, the same in Yorkshire 564 



Page 



Dr. Ncttleton, on the same again 568 



Capt. Cornwall, Magnetical Variations. . . . 569 

 Dr. Pemberton, Force of Bodies in Motion 570 

 Biographical Notice of Dr. Pemberton .... ibid 



P. Dudley, Falls of Niagara 574 



Leuwenhoeck, Muscular Fibres, &c Sl^ 



Rob. Cay, bending Planks by Sand Heat . . 577 



J. Field, on Wounds in the Stomach 578 



Mr. Atkinson, Imposth. in the Stomach . . S7^ 

 J. Brown, Resin in the Cortex Elutheriae . . ibid 



J. Douglas, Cutting for the Stone 580 



Ar. Dobbs, a Parhelion in Ireland 582 



lieuwenhoeck, the Particles of Fat 583 



Tho. Forster, new Island near Tercera. . . . 584 



Ra. Thoresby, on a violent Rain 585 



M. Couzier, Persons dead of the Plague . . ibid 



Dr. Deidier, on the same .... 586 



Dr. Pemberton, Curves cut at given Angles ibid 

 Account of Cotes's Harmonia Mensurarum 587 



Leuwenhoeck, Foetus, &c. in Sheep 593 



the Callus on the Hds. & Ft 594 



Ab. Demoivre^ Sums of Series, &c. ... . . 5^S 



Dr. Jurin, on Spouting Water ibid 



on the Small-pox 6OI 



Sig. Benevoli, Cataract of the Eye 602 



Dr. Halley, on a Solar Eclipse 604 



Geo. Graham, on the same ibid 



Leuwenhoeck, Structure of Diamonds .... 605 

 Dr. Desaguliers, Refrangibility of Light . . 607 

 Dr. Nettleton, the Small-pox and Inoculat 6O8 



Dr. Jurin, on the same subjects 6IO 



Ab. Demoivre, the Section of an Angle . . 6 17 

 P. Dudley, Apple Molasses, and on Smelts 6I8 



Dr. Halley, Longitude of Port Royal 619 



Longitude of Carthagena 620 



Chr. Kirch, a Comet seen at Berlin 621 



Dr. Langwith, Colours and the Rainbow . . 623 



Dr. Pemberton, on the same 624 



Dr. Williams, Inoculation in Wales 630 



■ on the same subject 63 1 



Rd. Wright, on the same ibid 



Dr. Desaguliers, Momentum of Motion . . 632 

 Apothecaries, Catalogue of 50 Plants .... 637 

 Dr. Desaguliers, Force of Moving Bodies. . 638 

 Dr. B. Taylor, Degrees of the Thermometer 641 



P. Dudley, of the Rattle Snake 642 



Dr Sprengell, on Vipers . . 643 



Dr. Langwith, Figures of Snow 644 



On the Aurora Borealis 645 



John Hadley, on the Reflecting Telescope. . 646 

 Biographical Notice of John Hadley, Esq. , ibid 

 Dr, Scheuchzer, Dissection of an old Person 652 

 Dr. Mackenzie, on the Coati Mondi .... 653 



Dr. Vater, on voiding many Stones 656 



Dr. P. Williams, a case of the Stone .... 657 

 Dr. Hardisway, a Stone in the Kidneys. . , . ibid 

 Rev. Mr. Horsley, on the Depth of Rain. . 658 



a 1 



