CONTENTS. 



XVII 



Page 



On the Batli Springs ; by Mr. Glanvill 361 



The icy and Cr)'stalline Mountains of Hel- 

 vetia j by M. Muralt 365 



Observations concerning Japan ibid 



On Shell Snails and Darting of Spiders 377 



On the Eruptions of Mount ^tna 383 



Minerals emitted by Mount ^Etna 389 



Salt Springs, &c, at Nantwichj by Dr. 



Jackson 397 



Appendix to ditto ; by the same 40.5 



Quicksilver Mines in Friuli; by Dr. Brown 407 

 Zirchnitzer Sea, in Camiola; by the same 409 

 Scarborough Spa and other Springs ; by Dr. 



Highmore 419 



The Causes of Mineral Springs j by Dr. 



Beale 420 



On Vaults, Wfells, &c. producing Salt, &c. 



by the same ibid 



Curiosities about Connecticut j by J. Win- 



throp, Esq. 421 



On Medical Springs ; by Dr. Beale 423 



The Motion of Sap 5 by Fr, Willoughby, Esq. ibid 

 The Mines, Minerals, Baths, &c. of Hun- 

 gary ; by Dr. Brown 436 



The Bleeding of Walnuts ; byDr. Tonge.. 441 

 The Sycamore, Poplar, Walnut, Oak, and 



Stellar Fish; by Fr. Willoughby, Esq. .. ibid 

 Copper Mine at Herrngroundt ; by Dr. 



Brown 450 



Baths, Stone Quarries, Talc Rocks, &c. 3 by 



the same ibid 



On Mineral Waters ; by Dr. Wittie 463 



On the Sal-gem Mines in Poland 469 



Insects in Old Willows ; by Dr. King 532 



■ by Fr. Willoughby, Esq. 533 



Spiders projecting their Threads; by Mr. 



Ray 537 



Rock Salt in Cheshire; by Mr. Martindale 539 

 Insalubrity of the Country about Rome ; by 



J. B. Donius ibid 



On Iceland Crystal; by Dr. Bartholin .... 545 

 Wood under Ground in Lincolnshire .... 551 



The Stone Quarry near Maestricht 552 



Mr. Ray on the Bleeding of the Sycamore, 558 

 Dr. Tonge, on the Running of Sap, &c. 559-60 



Pag* 



Observations on the Mines of Cornwall and 



Devon 565 



Motion of the Sap in Trees; by Mr. Lister 57G 



On the same; by Mr. Willoughby .578 



Remarks on the same ; by Mr. Lister .... 579 

 Swarm of Bees, Cyder, Sap, and Transplant- 

 ing ; by Rd. Reed, Esq 580 



On Sap, Apples, Pears, Bees, &c. ; by Dr. 



Beale 589 



Obser\'ations on Upper Egypt ; by F. Brothai 59 1 



Hurricane in Northamptonshire 593 



Petrifactions in Human Bfxlies 594 



On Insect Husks of the Kermes kind ; by 



Mr. Lister .598 



An incombustible Substance m some Mines 



in Italy 599 



On a Viviparous Fly and Spider; by Mr. 



Lister goO 



An Insect feeding on Henbane; by the same 602 

 On Glow-worms; by Mr. I. Templer .... 603 

 The Insect from the English Kermes 5 by 



Mr- Lister 607 



Spontaneous Generation, and Insects Smel- 

 ling of Musk; by Mr. Ray 617 



Bees in Old Willows; by Mr. Willoughby 6I8 

 Vegetable Excrescences ; by Mr. Lister .... 633 

 The Wasps called Vespae Ichneumones ; by 



Fr. Willoughby, Esq 644 



Musk-scented Insects and Petrified Shells; 



by Mr. Lister 645 



Vegetable Excrescences and Ichrteumon 



Worms ; by the same 646 



Wasps, Tarantulas, &c. by the same .... 649 

 On Glow-worms; by Mr. I. Templer .... 66O 



Of Veins in Plants; by Mr. Lister 66S 



On a Mineral Balsam ; by Castagna 672 



On Animated Horse-hairs; by Mr. Lister . . 7 17 

 On Persons Stung by a Tarantula; by Dr. 



Cornelio Jig 



Formation of Ciystals; by Father Lana . . 720 

 On the Aponensian Baths; by John Doding- 



ton. Esq ibid 



On a Lake yielding a Poisonous Substance, 

 and on Amber; by Mr. Kirkby 721 



Chronology, Geography, Mathematics, Mechanics, Navigation, &c. 



To measure Distances at one Station; by 



Auzout 43 



Problems in Navigation; by N. Mercator 69 

 Animadversions on Mr. Hobbes; by Dr. 



Wallis 107 



The Year of the Julian Period ; by De Billy 121 



Exper. in Gunnery ; by Sir R. Moray .... l65 



On the Julian Period j by Mr. Collins .... 207 



VOL. I. c 



Squaring the Hyperbola; by Lord Brouncker 233 

 General Laws of Motion; byDr. Wallis . . 307 



— by Dr. Wren . . 310 



by Mr. Huygens 335 



Resolution of Numeral Equations ; by Mr. 



Collins 338 



Dr. Wallis against Mr. Hobbes's Quadrature 



of the Circle 417 



