CONTENTS. 



HI 



Page 

 Sir Wm. Petty, Size of London and Paris, . . . 320 

 Halley, on the Trade- Winds and Monsoons. , ibid 



Wm. Molyneux, on Telescopic Glasses 329 



Dr. Vossius, Inscription on a Pillar at Rome 331 



On the Lunar Eclipse, March 31, 1686 ibid 



Hevelius, on an Occultation of Jupiter ibid 



J. Craige, Melhodus Figurarum Lin. rect. &c. 332 

 Wm. Molyneux, on the Tides at Dublin .... 3S3 



Papin, Velocity of Air into a Vacuum 334 



Flamsteed, Eclipses ef Jupiter's Sat. the 



Moon, &c 335 



Dr. Plot's Natural History of Staffordshire . . 336 

 Wm. Molyneux, Sciotericum Telescopicum . . ibid 

 Times of High- Water on the Coast of France 337 

 Mr. Justell, on an Ancient Sepulchre, &c. . . . ibid 

 On an Inundation of the Taverne in Italy. . . . 340 

 Dr. King, on st petrified Glandula Pinealis. . . . ibid 

 W. Molyneux, Lunar Eclipse, Nov. Ip, l686, 342 

 Sir Wm. Petty, Size of London and Paris, &c. ibid 

 R. Hook, Enlarged Divisions of the Barometer 343 

 Quadrature of the Circle by M. Mallcncent. . 345 



The same refuted by Cluver ibid 



Voyage de Siano, &c. des Peres Jesuites, &c.. . ibid 



On a Comet seen at Leipsic, Sept. l686 346 



Valvason, on casting Statues very thin 347 



Dr. Papin, on his new Water Engine 343 



, on the Perpetual Motion 349 



Edw. Haines, on a Lunar Occult, of Saturn. . 350 

 Dr. Wallis, the Air's resistance to moving 



Bodies ibid 



Mr. W. Cole, Grains which fell, like Wheat 356 

 An extraordinary Hermaphrodite, at Toulouse ibid 

 Account of Books, viz. 



1. Historia Plantarum, &c. Autorc J. Rajo357 



2. Philos. Nat. Princip. Math. Newton ... 358 

 Receipt to Cure Mad Dogs, &c. j by Sir R. 



Gourdon 362 



Cassini, on Saturn's five Satellites 363 



Growth of Trees, by Tho. Brotherton, Esq.. . ibid 

 W. Molyneux, Appar. Mag. of the Sun, &c. 365 



Dr. Wallis, on the same subject 369 



Account of Papin's Tr. on the New Digester 373 

 Dr. Tyson, on opening the Body of Mr. Smith 374 

 Mr. S. G. Ash, on the Fewer of Imagination 375 

 Dr. Halley, Construction of Solid Problems. . 376 

 M. de la Hire, Magnetical Experiments, &c. . 381 

 Extraordinary burning Speculum in Germany 385 



Sir P. S. on Saxon Coins found in Suffolk 386 



Dr. Halley, the Quantityof Vapour raised, &o. 387 

 Observations of a Solar Eclipse, May 1, 1687,390 

 Account of a Book, viz. Memoirs for a Nat. 



Hist, of Animals; also on the Measure of 



a Degree ibid 



Confucus Sinarum Philosophus, &c 393 



. , Biographical Notice of ibid 



Dr. Halley, Roots of Cubic and Biquad. Equal. 395 



On the Obliquity of the Ecliptic 407 



Sir Th. Mayern, Diseases and Cure of Dogs. . 410 



Valvasor, on the Zirchnitzer Sea 411 



Dr. Moulin, on the Quantity, &c. of Blood . . 417 

 Account of Books, viz. 



1. Propositiones Hydrostaticae, &c. a Fr. 

 Jessop , 418 



* : 



Page 



2. Tabularum Astron. Pars prior, a De la 

 Hire 419 



Number of Christenings and Burials, in 1686, 



1687 ; 420 



Eclipse of the Moon obs. at Moscow, &c. ... 421 

 Dr. Plot, on the best time for Falling Timber 422 



Dr. Hans Sloane, on Pimenta, &c 425 



, Biographical Notice of ... . ibid 



Dr. Halley, on Vapours and Origin of Springs 427 

 Dr. G. Garden, on the Theory of Generation 431 

 Wurtzelbaur, on the Transit of Mercury .... 435 

 Dr. Moulin, Injecting Mercury into the Blood 436 

 Account of Boyle's Medicina Hydrostatica . . 437 

 Dr. Halley, Time and Place of Caesar's Landing 438 



Russian Method of Curing Castorium 442 



On the Preparation of Cochineal 443 



Pressure of Water at Great Depths 444 



Dr. Tyson, on the Lumbricus Hydropicus . . . 445 

 Dr. Halley, Conjunct, of the Sun and Planets 448 



Rd. Waller, on Frogs and Tadpoles 456 



Dr. Slare, on a Ruminating Man 457 



Ray's Account of Plukenet's Phytographia . . 458 

 Biographical Notice of Leonard Plukenet. . . . ibid 

 Dr. Ent, on the Weights of a Land-Tortoise. . 459 

 Dr. Halley, on the Minuteness of Gold Atoms ibid 

 Dr. Grew, Observ. on a Diseased Spleen .... 460 

 Account of Dr. Havers's Osteologia Nova . . 46l 



Dr. Halley, on the Species of Infinites 465 



Fr. Roberts, Trumpet and Trurapet-Maiine. . 467 



Dr. Halley, on the Magnet. Variat. &c 470 



Boyle, on his making of Phosphorus 478 



Dr. Wallis, on the wonderful Dome, &c 47.9 



Leuwenhoeck, on Animalcules in Semen. ... 481 



R. W. on the Dissection of a Rat 482 



Halley, Degrees of Mortality, and Annuities. . 483 

 Account of Books, viz. 



1 . Ray's Wisdom of God in the Works, &c. 492 

 2. Physico-Theologi. Discourses, &c. ibid 



3. L. Plukenetii Phytographia, &c 495 



Dr. Moulen, Exper. on a black Sand ibid 



Account of Boyle's Way of examining Water 496 

 Dr. Lister, Answer to Queries on Shells .... 501 

 Leuwenhoeck, on Anim. on the Teeth, &c.. .503 

 Dr. Halley, Therm, and Expans. of Fluids . . 505 

 Account of Dr. Wra. Cole's Novae Hypolhe- 



seos 509 



Dr. Halley, farther Considera. on Mortality 



Bills 510 



Sir W. Petty, Complete Treatise of Navigation 511 

 Sir R. Redding, on Pearl-fishing in Ireland. . 512 



Dr. Sloane, on 2 Plants from Africa 513 



John Banister, on several Plants 515 



, Biographical Notice of ibid 



Giles Pooley, on digging Lapis Calaminaris .. ibid 

 Fr. Roberts, Esq. an Arithmetical Paradox . . 517 

 Account of Books, viz. 



1. Horti Indici Malabarici, p. 4ta, 5(a, 6ta. 518 



2. Somner, Roman Ports and Forts in Kent 521 

 J. C. Specific Gravities of various Bodies .... 522 

 J. Sturdy, on the Iron- Works in Lancashire. . 523 

 Leuwenhoeck, Propag. of Plants and Animals 525 



Sir R. B. on the Giants' Causeway 529 



W. R. Storm of Thunder and Hail at Oundle 530 

 2 



