CONTENTS. ix 



Page 



Biographical Notice of Mr. John Ray 513 



The Variation of the Magnetic Needle, &c.} by M. Hevelius 514 



On Dr. Wallis's Hypothesis of the Tides; by Mr. Jos. Childrey 5i6 



Dr. Wallis's Answer to the same 520 



Account of Books; viz. 1. Fr. Bayle, Dissertationes Medicae Tres; 2. Swammerdami Historia 

 Gener. Insectorum; 3. Mr. Hobbes's Creed, by M. Tenison; 4. F. J. Burrhi Epistolae duae 



ad T. Bartholinum 523 



New Anatomical Discoveries from France 526 



Strange Effects of Thunder at Stralsund ibid 



On a New Star in the Swan, and on Saturn's Ring; by M. Hevelius 528 



On the same New Star, from Paris 530 



On Saturn's Ring; by M. Huygens and Mr. Hook ., jbid 



Some Anatomical Engagements, of Laur. Bellini 531 



A Monstrous Birth at Plymouth ; by Dr. Tim. Clark ibid 



Insects lodging in Old Willows; by Dr. Edmund King 532 



On the same ; by Francis Willoughby, Esq 533 



On Spiders projecting their Threads ; by Mr. John Ray 535 



Account of Books ; viz. 1 . Du Hamel de Corporum Affectionibus ; 2. De Nuland Elementa 

 Physica; 3. Discourse on Local Motion; 4. Cavina Physico Astron. ; 5. Rosetti Demonstr. 



Fisico Matematica 536 



Biographical Notice of John Baptista du Hamel ibid 



Natu*^! Rock Salt in Cheshire; by Mr. Adam Martindale 53^ 



Insalubrity of the Country about Rome; by J. B. Donius ibid 



Progress of Artificial Conglaciation, at Florence 54O 



Eclipse of tlie Moon, and Conjunction of Venus and the Moon; by M. Hevelius 542 



Account of Books; viz. 1. Boyle, Origo Formarura et Qualitatum; 2. J.Webster's Metallogra- 



phia ; 3. Lettera di Fr. Redi 543 



Experiments on Iceland Crystal ; by Dr. Er. Bartholin 545 



On making Salt Water Sweet; by a French Gentleman 54^ 



On another Passage of the Urine ; by tlie same 55O 



On Quantities of Wood under Ground in Lincolnshire 5.51 



On the Stone Quarr>' near Maestricht 552 



Account of some Books; viz. 1. Boyle's Tracts on the Air; 2. Elementa Geometriae Planae, a 

 JEg. Fr. de Gottignies; 3. Fabry, Synopsis Geometrica; 4. Fabry, Dialogi Physici; 5. Ant. 



Molinetti Dissertat. Anatomicae . jbid 



Mr. Ray on the Acid Juice found in Ants 554. 



Mr. Lister on the same Juice of Ants, and Bleeding of the Sycamore ^^^ 



Biographical Notice of Mr. Martin Lister jbid 



Mr. Ray on the Bleeding of the Sycamore, and on tlie Mulberry 558 



Dr. Tonge on the Running of Sap, and on Birch Water 559, 5(10, 551 



Account of Books; viz. 1. Miscellanea Curiosa, &c.; 2. Fabri, Physica in decern Tractatus 



distributa ' ibid 



Solution of a Chorographical Problem ; by Mr. John Collins 5^3 



Observations on the Mines of Cornwall and Devon 555 



Account of Books ; viz. 1. P. Fr. Lana, Prodrome di alcune Inventioni, &c.; 2. J. H. Meibomii 



de Cerevisiis, &c 574, 



Biographical Notice of Meibomius 5-5 



Motion of the Sap in Trees; by M. Lister, Esq , 575 



On the same Subject; by Fr. Willoughby, Esq 57^8 



Remarks on the same ; by Mr. Lister 579 



Swarm of Bees, Cyder, Sap, and Transplanting; by Rd. Reed, Esq 5gO 



Observations on Colours and Dyes ; by tlie same 5S2 



Account of Books; viz. 1. Th. Kerkringii Anthropogenise Ichnographia; 2. Le Grand Philoso- 



phia Veterum; 3. J. Rohault Traite de Physique; 4. Novae Hypotheseos de Puimon. motu 588 



On Sap, Apples, Pears, Bees, &c. by Dr. Beal 5Sp 



Observations on Upper Egypt, by F. Brothai ^gi 



Irregular Tides of the Euripus; by J. B. Babin 5^2 



VOL. I. b 



