CONTENTS. " III 



Page 



Remarks on a Body's descent in Water , 76 



A New Statical Baroscojje; by Mr. Boyle 77 



Rotation of the Planet Mars about his Axis; by Mr. Hook 80 



Period of the Rotation of Mars; by J. D. Cassini 81 



Phases of the Planet Jupiter; by Mr. Hook 83 



Observation of Saturn; by the same 84 



Sad Effect of Thunder and Lightning; by T. Neale, Esq ibid 



Account of Books, viz. 1. Thevenot's Voyages; 2. On tlie Inundation of the Nile; 3. Hobbes's 



De Principiis et Ratiocinatione Geometrarum 85 



Artificial Cold without tlie help of Snow, Ice, Hail, Wind, or Nitre; by Mr. Boyle 86 



Account of two Books, viz. 1. Euclidis Elem. Geom. &:c. 2. Rose's English Vineyard 89 



Hypothesis on the Flux and Reflux of the Sea ; by Dr. Wallis ibid 



Appendix to ditto, being an Answer to some Objections to the same 101 



Animadversions on Mr. Hobbes's Book De Principiis et Rati. Geom. by Dr. Wallis 10/ 



Biographical Notice of Mr. Hobbes ibid 



Obsei-vations of the Solar Eclipse of June 22, \666 Ill 



Inquiries and Directions concerning Tides; by Dr. Wallis 112 



Considerations and Inquiries concerning Tides; by Sir Robert Moray 113 



Account of Books, viz. 1. Hevelii Descriptio Cometae; 2. Is. Vossius de Nili et aliorum Flu- 



minum Origine; 3. Le Discemement du Corps et de I'Ame 115 



Biographical Notice of Isaac Vossius Il6 



Tables for observing the Tides ; by Sir Robert Moray 118 



Other Inquiries concerning the Sea ibid 



On the Parenchymatous Parts of the Body; by Dr. Edmund King lip 



Observations on Petrifications; by Dr. Beale ibid 



Worms tliat eat Stones and Mortar; by M. de la Voye 120 



Observations on Somersetshire; by Dr. Beale 121 



To find the Year of the Julian Period; by M. J. De Billy ibid 



Biographical Notice of Father de Billy ibid 



Account of Books, viz. 1. Tentamina Physico-Theologica de Deo, kc; 2. Honorati Fabri 



Theologi tractatus duo; 3. M. de Bourges relation du Voyage, &:c 122 



A Petrifaction; by Mr. Ph. Packer ibid 



Inquiries concerning Mines; by Mr. Boyle 123 



Answers to Queries; by M. Hevelius 126" 



Answers to Queries; by M. Joh. Schaffer 127 



Method of Transfusing Blood from one Animal into another; by Mr. Boyle 128 



Account of some Sanative Waters in Herefordshire; by Dr. Beale 131 



Of Vitriolate Water, &c. ; by the same • 132 



Inquiries for Turkey; by Mr. H 'ibid 



Optic Glasses made of Rock Crystal; by Eustachio Divini IS* 



Account of the Grain of Kermes for Coloration; by M. Vemy ibid 



Account of Books, viz. 1. Chris. Merret Pinax rerum natur. Britan. Sec. 2. Guarini Placita 



Philosophica; 3. L. Bellini Gustus Organum J 35 



Biographical Notice of Laurence Bellini ibid 



Calculation of a Solar Eclipse; by M. Hevelius 137 



The Stars in the Constellation Cygnus, wnth tlie New Star; by the same ibid 



To measure the Diameters of the Planets, Sec. ; by M. Auzout 138 



Method of preparing the Bononian Stone for shining ibid 



A Swedish Stone affording Sulphur, Vitriol, Alum and Minium 139 



A Shower of Ashes in tlie Archipelago; by Capt. Wm. Badily 140 



Concerning Salamanders living in Fire; by M. Steno ibid 



An uncommon Accident in two aged Persons; by IVIr. Colepress 141 



Account of two Books, viz. 1. Ism. Bullialdi ad Astronomos Monitaduo; 2. Felibien Entretiens 



sur les Vies, &c. des plus excellens Peintres ibid 



Biographical Notice of Ismael Bulliald ibid 



Trials proposed by Mr. Boyle for the Transfiision of Blood, &c 143 



A Method of observing Eclipses of the Moon ; by Mr. Rooke 145 



Halos about the Moon; by tlie Earl of Sandwich 146 



a 2 



