Front Matter

The only official reprint authorized by The Royal Society of London PHILOSOPHICAL TRANSACTIONS. GIVING SOME ACCOUNT OF THE Present Undertakings, Studies, and Labours OF THE INGENIOUS, IN MANY Considerable Parts of the WORLD. VOL. XXXVI. For the Years 1729, 1730. LONDON: Printed for W. Innys, Printer to the Royal Society, at the West End of St. Paul's. 1731. TO Sir HANS SLOANE, Bart. PRESIDENT, AND TO THE COUNCIL and FELLOWS OF THE ROYAL SOCIETY Of LONDON, for Improving Natural Knowledge, This Thirty-sixth VOLUME of Philosophical Transactions is humbly Dedicated BY Their most Devoted, And most Obliged Servant, CROMWELL MORTIMER, R.S.Secr. PHILOSOPHICAL TRANSACTIONS FOR THE Months of January and February 1729. The CONTENTS. I. A Catalogue of the fifty Plants from Chelsea-Garden, presented to the Royal Society, by the Company of Apothecaries, for the Year 1727, pursuant to the Direction of Sir Hans Sloane, Bart. Med. Reg. Præs. Col. R. Med. & Soc. Reg. by Mr. Isaac Rand Apothecary, F. R. S. II. An Account of the first Decade of a Book, Intitled, Johannis Martyn Historia Plantarum rariorum. Printed at London; by Richard Reily, 1728. by the same. III. An Attempt to solve the Phenomenon of the Rise of Vapours, Formation of Clouds and Descent of Rain. In a Letter from Dr. J.T. Desaguliers, L.L.D. F.R.S. to Dr. Rutty, R.S. Secr. IV. An The CONTENTS. IV. An Account of some Observations relating to Natural History, made in a Journey to the Peak in Derbyshire, by Mr. J. Martyn, F. R. S. V. The Difference in Time of the Meridians of diverse Places computed from Observations of the Eclipses of Jupiter's Satellites, by the Reverend Mr. Derham Canon of Windsor, and F. R. S. VI. Extraët of a Letter to the Publisher from Mons. De Lisle, Astronomer Royal at Petersburgh, containing his Observations of the Eclipses of Jupiter's Satellites, from July 10th, 1726, to April 12th, 1728, taken at that Place. PHILOSOPHICAL TRANSACTIONS FOR THE Months of March and April, 1729. The CONTENTS. I. Queries, concerning the Cause of Cohesion of the Parts of Matter, proposed in a Letter to Dr. Desaguliers, F. R. S. By Fr. Triewald, Director of Mechanicks in the Kingdom of Sweden. II. A Letter to Dr. Rutty, R. S. Secr. giving a farther Account of the Nature and Virtues of the Holt-Waters, from the Reverend Mr. J. Lewis, Vicar of the Place. III. A farther Account of a new Machine, called the Marine Surveyor, designed for the Measurement of the Way of a Ship at Sea, more correctly The CONTENTS. rectly than by the Log, at present in Use, or any other Method hitherto invented for that Purpose. By Mr. Henry de Saumarez, of the Island of Guernsey, Part of his Majesty's antient Dutchy of Normandy. IV. A second Letter from Mr. Colin Mc Laurin, Professor of Mathematicks in the University of Edinburgh and F. R. S. to Martin Folkes, Esq; concerning the Roots of Equations, with the Demonstration of other Rules in Algebra; being the Continuation of the Letter published in the Philosophical Transactions, N° 394. LONDON: Printed for W. Innys, at the West-End of St. Paul's Church-Yard. PHILOSOPHICAL TRANSACTIONS FOR THE Months of May and June, 1729. The CONTENTS. I. An Account of the Cinnamon Tree in Ceylon, and its several Sorts. Communicated by the Chief Inspector of the Cinnamon Trade and Manufacture in that Island to Albertus Seba, F. R. S. a noted Druggist at Amsterdam. Translated by the late Dr. Scheuchzer, F. R. S. II. The Bills of Mortality in several Parts of Europe, for the Years 1724 and 1725. Extracted from the Acta Breslaviensia, by the Same. III. Part The CONTENTS. III. Part of a Letter from the Reverend Mr. Benjamin Colman, of Boston in New England, to the late Bishop of Peterborough; giving an Account of the late Earthquake which happened there. Communicated by Dr. Jurin. R. S. S. &c. IV. A Proposition on the Balance, not taken Notice of by Mechanical Writers, explain'd and confirm'd by an Experiment before the Royal Society, by J. T. Desaguliers, L.L.D. F. R. S. LONDON: Printed for W. Innys, at the West-End of St. Paul's Church-Yard. PHILOSOPHICAL TRANSACTIONS FOR THE Months of July, August, and September, 1729. The CONTENTS. I. A Letter to Sir Hans Sloane, Bart. R.S.Pr.&c. containing a Description of some uncommon Appearances observed in an Aurora Borealis, by the Reverend Mr. Derham, Canon of Windsor, and F. R. S. II. A remarkable Conformation of the Urinary Parts, communicated in a Letter to the Same, by Mr. John Budgen. III. An Observation of the Eclipse of the Moon, by Arthur Dobs, Esq; at Castle-Dobbs near Carrickfergus in Ireland, Feb. the 2d, 1728-9; communicated by Oliver St. John, Esq; F.R.S. IV. De The CONTENTS. IV. De Frigidæ in Febribus Usu. Auctore Cl. Nicolao Cyrillo Prim. Med. Prof. Neapol. &c. R. S. S. V. A short Account of the different Kinds of Ipecacuanha, by Dr. Douglass, Med. Regin. Extr. &c. R. S. S. VI. An Account of a Book entituled, Hesperi & Phosphori Nova Phœnomena, &c. Auctore Francisco Blanchino; by John Hadley, Esq: R. S. V. Præf. VII. Observations on a Treatise wrote by Mons. Helvetius of Paris, designed to prove that the Lungs do not divide and expand the Blood, but that on the contrary, they cool and condense it. By F. Nicholls, M. B. Præl. Anat. Oxon &c. F. R. S. VIII. Observationes diversæ Lunaris Deliquii die 2 Februarii, A. D. 1728-9. IX. Observationes quædam Eclipseos Lunaris Die 29 Julii habitæ, A. D. 1729. PHILOSOPHICAL TRANSACTIONS FOR THE Months of October, November and December, 1729. The CONTENTS. I. A Letter to Sir Hans Sloane, Bart. R. S. Præs. containing a Geographical Description and Map of the Kingdom of Tunis, with a Postscript relating to the Cure of Intermittent Fevers in those Parts; By the Reverend Mr. Tho. Shaw, Chaplain to the English Factory at Algier. II. A brief Account of some of the Effects and Properties of Damps, in a Letter to William Rutty, M. D. R. S. Secr. from Mr. Isaac Greenwood, Professor of Mathematicks at Cambridge, New England. III. A The CONTENTS. III. A Letter from the King's Officers at Sheerness and Chatham, to the Honourable the Commissioners of the Navy, giving an Account of what they met with in opening an antient Well near Queenborough in Kent, communicated by Mr. Peter Collison, F. R. S. on January 8, 1729. IV. Some Observations on the Crane, with Improvements on that Machine, by J. T. Desaguliers, F. R. S. Shewn the Society in Models, but here exemplified by Figures. V. Of the Meteor called the Ignis Fatuus, from Observations made in England, by the Reverend Mr. W. Derham, F. R. S. and others in Italy, communicated by Sir Tho. Dereham, Bart. F. R. S. VI. Duæ Observationes Eclipseis Lunæ Totalis Nocte sequente Diem 28 Julij 1729. S. V. Communicante Cl. Thomâ Dereham, Bart. & R. S. S. I. A Let- PHILOSOPHICAL TRANSACTIONS FOR THE Months of January and February, 1730. The CONTENTS. I. A Catalogue of the fifty Plants from Chelsea-Garden, presented to the Royal Society, by the Company of Apothecaries, for the Year 1728; pursuant to the Direction of Sir Hans Sloane, Bart. Med. Reg. Praef. Col. Reg. Med. & Soc. Reg. By Isaac Rand, Apothecary, F. R. S. II. An Examination of Monsieur Perrault's newly-invented Axis in Peritrochio, said to be entirely void of Friction: With an Experiment to confirm the Reasoning made upon an Axis in Peritrochio first us'd in Mons. Perrault's Manner, then in the common Way, by J. T. Desaguliers, L L. D. III. A The CONTENTS. III. A farther Examination of the Machine said to be without Friction. By the same. IV. DE EQVULO: Auctore Joanne Wardo, Rhet. Prof. Gresh. et R. S. S. V. An Account of a Treatise entitled, Calculations and Tables relating to the attractive Virtue of Loadstones, &c. Printed Anno 1729. VI. An Account of a Book entitled, Jo. Frider. Weidleri Observationes Meteorologicae & Astronomicæ, Annorum 1728 & 1729, &c. Wittembergæ, Anno 1729. VII. Occultatio Veneris à Luna subeunte Berolini visa die 19 Septembris, 1729, N. S. p.mer. à D. Kirchio. Ex Diario Meteorologico (M.S.) J. Fred. Weidleri, L. L. D. & Math. Prof. Prim. Wittembergæ. I. A Ca- PHILOSOPHICAL TRANSACTIONS FOR THE Months of March and April, 1730. The CONTENTS. I. Casus Rarissimus. Ex Epistolâ Doctissimi Viri J. Huxham ad Gul. Rutty, M. D. R. S. Secr. II. An Account of the Imperial Salt-works of Sóowár in Upper Hungary, translated from the High-dutch of Ernest Bruckman of the Academy of Brunswick, M. D. communicated by Sir Hans Sloane. III. The natural History of Cochineal; being an Account of a Book entituled, Histoire naturelle de la Cochinelle justifiée par des Documens authentiques Amsterdam, 1729. By W. Rutty, M. D. R. S. Secr. IV. An Anatomical Description of Worms, found in the Kidneys of Wolves, in a Letter from Mr. James Theodorus Klein, Secretary of the City of Dantzick, F. R. S. to Sir Hans Sloane, Bart. &c. The CONTENTS. V. Some material Observations upon dissecting an Ostrich, made lately by Mr. Ranby, Surgeon to his Majesty's Household, and F. R. S. VI. A new Kind of Hydrometer made by Mr. Clarke, and communicated to the Society by J. T. Desaguliers, L. L. D. F. R. S. VII. An Account of an Aurora Borealis attended with unusual Appearances, in a Letter from the Learned Mr. G. Cramer, Prof. Math. Genev. to James Jurin, M. D. and F. R. S. VIII. An Account of a Spiritus Vini Ætherius, together with several Experiments tried therewith. By Dr. Frobenius, F. R. S. IX. An Account of the Hermaphrodite Lobster presented to the Royal Society on Thursday May the 7th, by Mr. Fisher of Newgate-Market, examined and dissected, pursuant to an Order of the Society. By F. Nicholls. M. D. Prael. Anat. Oxon. F. R. S. LONDON: Printed for W. Innys, at the West-End of St. Paul's Church-Yard. MDCCXXX. PHILOSOPHICAL TRANSACTIONS FOR THE Months of May, June, July and August, 1730. The CONTENTS. I. Magnetical Observations and Experiments; by Servington Savery, Esq; of Shilston. II. An Essay upon the Use of the Bile in the Animal Oeconomy, founded upon an Observation of a Wound in the Gall-Bladder. By Alexander Stuárt, M.D. Physician in Ordinary to her Majesty, Fellow of the College of Physicians, and of the Royal Society. III. Observatio Lunaris Eclipseos, Ulissipone habita die 2 Februarii, An. 1730, N. S. in Collegio Divi Antonii magni à Rev. P. Joanne Baptista Carbone, Soc. Jes. Ex ejusdem Cl. Viri Epistola ad Jacobum de Castro Sarmento, M. D. Coll. Med. Lond. Lic. & R. S. S. The CONTENTS. IV. Observationes Cælestes Multifariae inter Menses Novemb. 1727, & Novemb. 1728, Pekini in SINIS habitæ, & ad Rev. P. Joannem Baptistam Carbone, Soc. Jes. transmissæ. Ex eadem Epistola descriptæ. V. An Account of the Veins and Arteries of Leaves. By Frank Nicholls, M.D. Præl. Anat. Oxon. F.R.S. I. Mag- PHILOSOPHICAL TRANSACTIONS FOR THE Months of September and October, 1730. The CONTENTS. I. An Account of some uncommon Anastomoses of the Spermatic Vessels in a Woman, observed by Cromwell Mortimer, M. D. R. S. Secr. & Coll. Med. Lond. Soc. II. Memoirs communicated by Mons. Garcin to Mons. St. Hyacinthe, F. R. S. containing a Description of a new Family of Plants called Oxyoides; some Remarks on the Family of Plants called Musa; and a Description of the Hirudinella Marina, or Sea Leach. Translated from the French, by Mr. John Martyn, F. R. S. III. Typus The CONTENTS. III. Typus Eclipseos Solaris observatæ Julii 15, S. N. 4, S. V. Anno 1730. Witebergæ Saxonum, à Joh. Frider. Weidler, J. U.D. Mathem. Prof. Ordin. Reg. Soc. Scientiar. Pruff. Sodali. IV. Observatio ejusdem Defectûs Solis habita Patavii, ab J. Poleno. V. An Explanation of the new Chronological Table of the CHINESE HISTORY, translated into Latin from the Original Chinese, by Father Johannes Franciscus Foucquet, Soc. Jes. Bishop of Eleutheropolis, and published at Rome in the Year 1730. Collected from two Accounts thereof, written in French, one sent from Rome by Sir Tho. Dereham, Bart. to the Royal Society, the other sent from Father Foucquet to Father Eustache Guillemeau, a Barnabite at Paris, and by him transmitted to Sir Hans Sloane, Bart. Pr. R. S. VI. An Account of Mr. Mark Catesby’s Essay towards the Natural History of Carolina and the Bahama Islands. with some Extracts out of the first three Sets. By Dr. Mortimer, R. S. Secr. PHILOSOPHICAL TRANSACTIONS. FOR THE Months of November and December, 1730. The CONTENTS. I. An Account of the præternatural Delivery of a Fœtus at the Anus; communicated by Mr. Nourse, one of the Assistant Surgeons to St. Bartholomew's Hospital; Demonstrator of Anatomy at Surgeons-Hall, and F. R. S. II. An Extract of a Letter from Mr. William Stevenson to Benj. Hoadly, M. D. F. R. S. Containing an Account of an Observation of an Eclipse of the Moon, on July 29, 1729, made in Barbados by Mr. Stevenson's Brother. III. The Anatomical Preparation of Vegetables, by Albertus Seba, F. R. S. Communicated to the Royal Society by Sir Hans Sloane, Bart. Pr. R. S. and Col. Med. Lond. Translated from the German, by Mr. Zolman, F. R. S. IV. An Account of what happened from Thunder in Carmarthenshire; partly had from the Woman's Mouth that suffered by it, partly from what was observed by others, communicated to the Royal Society, by John Eames, F.R.S. as he received it in a Letter from Mr. Evan Davies. V. The Postscript of a Letter from George Martin, M.D. to William Græme, M.D. F.R.S. giving an Account of the Operation of Bronchotome, as it was performed at St. Andrews. VI. Observationes Cœlestes multifariæ, Annis 1728 & 1729. Pekini in Sinis habita, & ad Rev. P. Johannem Baptistam Carbone, Soc. Jes. transmissæ; ex ejusdem Cl. Viri Epistola ad Jacobum de Castro Sarmento, M.D. Col. Med. Lond. Lic. & R.S.S. VII. Nova Literaria Physico-Medica curiosa; containing a Description of the Cereus which flowered at Norimberg in the Year 1730. Communicated by Jo. Georg. Steigertahl Arch. Reg. Hanov. Prof. Helm. Soc. Honorar. Coll. Med. Lond. & R.S.S. to Sir Hans Sloane Bart. Pr. R.S. & Coll. Med. Lond. Translated from the Latin by T. Stack, M.D.