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. XXXV. For July, August, September, October, November and December 1727, and for the Year 1728. LONDON: Printed for W. Innys, Printer to the Royal Society, at the West End of St. Paul's. M. DCC. XXIX. TO HIS ROYAL HIGHNESS FREDERICK Prince of WALES. SIR, SINCE your ROYAL HIGHNESS has graciously condescended to inscribe Your Name in the Book of Charters and Laws of the Royal Society, as a Token of your Favour and Encouragement of it, I presume to offer this Thirty-fifth Volume of Philosophical Transactions, some of its latest Productions, to your ROYAL HIGHNESS's more immediate Protection. This alone would be sufficient Honour to the several Authors of the Tracts contained in it: But they must still have a private Satisfaction in knowing, that they are DEDICATION. submitted to the Observation of a Prince, whose Discernment renders him a compleat Judge of the Merits of their Labours; and whose Benevolence, at the same Time, will readily incline Him to think favourably of them. If, besides this, they should chance to furnish any Matter for your learned, or ingenious Entertainment, I beg your ROYAL HIGHNESS to receive it, as one Instance of the grateful Sense conceived of the late Honour done us, and particularly, of the profound Respect, with which I am, Your ROYAL HIGHNESS's Most Devoted, Obedient, and Humble Servant, William Rutty, R. S. Secr. PHILOSOPHICAL TRANSACTIONS. For the Months of July, August, and September, 1727. The CONTENTS. I. A Catalogue of Fifty Plants from Chelsea-Garden, presented to the Royal Society, by the Company of Apothecaries, for the Year 1726; pursuant to the Direction of Sir Hans Sloane, Baronet, Med. Reg. Praef Col. R. Med. & Soc. Reg. By Mr. Isaac Rand, Apothecary, F. R. S. II. Some further Remarks on P. Souciert's Dissertations against Sir Isaac Newton's Chronology: By Edmund Halley, LLD Astron. Reg. In a Letter to Dr. Jurin, Coll. Med. & S. R. Soc. III. An Account of the Lumen Boreale, as seen at several times: By the Reverend Dr. Langwith, Rector of Petworth in Sussex. Communicated in a Letter to the Same. IV. The Description of an Aurora Borealis, mentioned in the foregoing Letter. The CONTENTS. V. A Letter from the Reverend Mr. Edmund Barrel, Rector of Sutton near Dartford in Kent, to Sir Hans Sloane, Baronet, concerning a Shock of an Earthquake felt in that Neighbourhood, &c. VI. A Species of subterraneous Fire, observed in the same County: Communicated in a Letter to Dr. Jurin, by Robert Nesbitt, M.D. Coll. Med. Lond. Lic. VII. An Account of some Experiments on the Effects of the Poison of the Rattle-Snake: By Captain Hall. Communicated by Sir Hans Sloane, Baronet, Med. Reg. &c. VIII. Quaedam Notabilia in Cerebris trium Epilepsia mortuorum observata; quibus accedit Historia de substantiâ Cataraçtæ. Epistola Domini Waltheri Curieusii Rhæti, ad Dominum J. F. Woolhouse, F. R. S. &c. IX. Two Chirurgical Questions stated and answered, by John Douglas, Surgeon, F.R. S. X. The Conclusion of Dr. Desagulier's Account of Mr. Hales's Vegetable Staticks. PHILOSOPHICAL TRANSACTIONS For the Months of October, November, and December, 1727. The CONTENTS. I. Observatio Solaris Deliquii celebrati Die 25. Septemb. 1726. habita Ulyssipone in Observatorio Regii Palatii A' P. Jo. Baptista Carbone, Soc Jes. II. Lunaris Eclipsis celebrata die 10. Octob. an. 1726. et in Observatorio Collegii D. Antonii Magni observata ab Eodem. III. Remarks upon some Experiments in Hydraulics, which seem to prove, that the Forces of equal moving Bodies are as the Squares of their Velocities. By Mr. John Eames, F. R. S. IV. A Copy of a Letter from Dr. David Kinneir, Coll. Med. Edingb. Soc. to Dr. Campbell, Coll. Med. Lond. Soc. Honorar. touching the Efficacy of Camphire in Maniacal Disorders. V. A Method for determining the Geographical Longitude of Places, from the Appearance of the common Meteors, called Falling Stars, proposed by George Lynn, Esq; of Southwick, Northampton-shire, in a Letter to Dr. Jurin, R. S. & Coll. Med. Soc. VI. An The CONTENTS. VI. An Attempt made before the Royal Society, to shew how Damps, or foul Air, may be drawn out of any Sort of Mines, &c. by an Engine contriv'd by the Reverend J. T. Desaguliers, L. L. D. and F. R. S. VII. A Letter to James Theobald, Esq; giving an Account of the Norwegian Finns, or Finlanders, by Peter Kinck, Esq; VIII. A preternatural Perforation found in the upper Part of the Stomach, with the Symptoms it produc'd, by Mr. Christopher Rawlinson, Surgeon. IX. An Account of an Humane Skeleton of an extraordinary Size, found in a Repository at Repton in Derby-shire, together with some Examples of long Life, communicated by Simon Degg, M. D. & F. R. S. X. A farther Account of the Bills of Mortality, &c. of several considerable Towns in Europe, for the Years 1722 and 1723, extracted from the Acta Breslaviensia, by Sir Conrad Spengell, R. S. S. & Col. Reg. Medic. Lond. Lic. XI. Ingens Materie Purulentæ copia cariem & separationem totius Ossis Mali, &c. inducens, per triennium ex Ore Pueri defluens, observata à Domino Petro Hardifway, M. D. I. Ob- PHILOSOPHICAL TRANSACTIONS For the Months of January, February, and March, 1728. The CONTENTS. I. The Anatomy of the Poisonous Apparatus of a Rattle-Snake, made by the Direction of Sir Hans Sloane, Bart. Praef. Soc. Reg. & Coll. Med. Together with an Account of the quick Effects of its Poison; by John Ranby, Esq; Surgeon to his Majesty's Household, and F. R. S. II. A Letter from the Rev. Dr. Samuel Clarke to Mr. Benjamin Hoadly, F. R. S. occasion'd by the present Controversy among Mathematicians, concerning the Proportion of Velocity and Force in Bodies in Motion. III. Astronomical Observations made at Vera Cruz, by Mr. Joseph Harris. Revised and communicated by Edm. Halley, LL.D. Astron. Reg. & R. S. S. The CONTENTS. IV. A new Method for composing a natural History of Meteors communicated in a Letter to Dr. Jurin, R. S. & Coll. Med. Lond. Soc. By Mr. Isaac Greenwood, Professor of Mathematicks at Cambridge, New-England. V. Some Observations towards composing a natural History of Mines and Metals, communicated in a Letter to Dr. Rutty, S. R. Secr. & Coll. Med. Lond. Soc. By Dr. Francis Nicholls, Professor of Anatomy at Oxford. VI. Observationes Astronomicae habita Ulyssipone, Anno 1726, à Rev. P Joh. Baptista Carbone. Soc. Jes. Communicante Isaaco Sequeyra Samuda, M. D. R. S. S. & Coll. Med. Lond. Lic. VII. Some Observations made in the Dissection of three Subjects; by Mr. Ranby, F. R. S. PHILOSOPHICAL TRANSACTIONS For the Months of April, May and June, 1728. The CONTENTS. I. Observations of the Eclipses of Jupiter's Satellites, from 1700, to the Year 1727. By the Reverend W. Derham, M.A. Canon of Windsor and F.R.S. Communicated by Sir Hans Sloane, Bart. President of the College of Physicians and Royal Society, &c. II. A Description of a Roman Pavement found near Grantham in Lincolnshire, with the Oeconomy of the Roman Times in this Part of England, Communicated in a Letter to Dr. Rutty, R. S. Secr. by W. Stukeley, M. D. Col. Med. Lond. & R. S. Soc. III. Some Reflections on Mr. de Lisle's Comparison of the Magnitude of Paris with London and several other Cities, printed in the Memoirs of the Royal Academy of Sciences at Paris for the Year 1725. Communicated in a Letter to the Same, by Peter Davall, of the Middle Temple, Esq. IV. An Account of an Aneurysm of the Aorta, (dissected in St. Bartholomew's Hospital) by Pierce Dod, The CONTENTS. Dod, M. D. Fellow of the College of Physicians, and Physician to that Hospital. V. Some Observations on Aneurysms in general, and in particular, on the fore-going. By F. Nicholls, M. B. Prael. of Anatomy, Oxon. &c. F. R. S. VI. A Letter to Dr. Halley, Astron. Reg. &c. F. R. S. relating to a surprising Shoal of Pumice-Stones found floating on the Sea, by Mr. John Dove. VII. An Account of some Observations made by a young Gentleman who was born blind, or lost his Sight so early, that he had no Remembrance of ever having seen, and was couch'd between 13 and 14 Years of Age. By Mr. W. Cheselden, F. R. S. Surgeon to Her Majesty, and to St. Thomas's Hospital. VIII. An Explication of the Instruments used in a new Operation on the Eyes, by the Same. IX. An Account of several Stones found in the Kidneys of a Person opened by Mr. John Dobyns, Surgeon and Lithotomist to St. Bartholomew's Hospital and F. R. S. X. Extract of several Letters, &c. from different Parts of Europe, relating to the Aurora Borealis, seen Oct. 19. N. S. 1726. I. Ob- PHILOSOPHICAL TRANSACTIONS For the Months of July, August and September, 1728. The CONTENTS. I. An Account of Elephants Teeth and Bones found under Ground. By Sir Hans Sloane, Bart. II. Observationes Astronomicæ à R. P. Joh. Baptista Carbone transmissæ, communicante Il. de Seguera Samuda, M. D. R. S. S. & Coll. Med. Lond. Lic. III. A Second Letter to Dr. Rutty, R. S. Secr. containing farther Observations towards composing a natural History of Mines and Metals. By Dr. Nichols, Pral. Anat. Oxon, and R. S. S. IV. A Method of raising some exotick Seeds, which have been judged almost impossible to be raised in England, communicated in a Letter to Dr. Douglas, Coll. Med. Soc. honorar. and R. S. S. By Mr. Philip Miller, Gardiner to the Physick-Garden at Chelsea. PHILOSOPHICAL TRANSACTIONS FOR THE Month of OCTOBER, 1728. The CONTENTS. I. Of Fossil Teeth and Bones of Elephants, Part the Second. By Sir Hans Sloane, Bart. II. A Method for determining the Number of impossible Roots in affected Equations. By Mr. George Campbell. III. A Letter from Charles Price, Esq; of Trinity-Coll. Oxon, relating to the Villi of the Stomach of Oxen, and the Expansion of the Cuticle through the Ductus Alimentalis. Communicated by Dr. F. Nicholls, F. R. S. and Prael. Anat. Oxon. IV. Obser- The CONTENTS. IV. Observationes Astronomicae habita in Observatorio Bononiensi Anno 1727, a Cl. Eustachio Manfredi, R. S. S. Ex Epistola J. Baptistæ Carbone ad Isaacum Sequeyra Samuda, M. D. Coll. Med. Lic. & R. S. S. I. Of PHILOSOPHICAL TRANSACTIONS FOR THE Month of NOVEMBER, 1728. The CONTENTS. I. The Barometrical Method of measuring the Height of Mountains, with two new Tables shewing the Height of the Atmosphere at given Altitudes of Mercury. Extracted chiefly from the Observations of John James Scheuchzer, M.D. Professor of Mathematicks at Zuric, and a Member of the Imperial, and Royal Societies of London and Prussia. By J. G. Scheuchzer, M.D. F.R.S. & Coll. Med. Lond. Lic. II. Observations of a Difference of Sex in Mileto, in a Letter from the Reverend Mr. Edmund Barrel to Sir Hans Sloane, Bart. &c. III. An uncommon Sinking of the Ground in Kent. Communicated in a Letter to Mr. Peter Collinson. The CONTENTS. IV. Observationes Astronomicæ Pekini habité à R. P. Ignatio Kóglér Soc. Jesu Tribun, Math. in Sinis Præside. Ex Epistolà R. P. Joh. Bapt. Carbone ad Isaacum de Sequeyra Samuda, M. D. R. S. S. &c. V. Observationes aliae selectiores Ingolstadii habité Anno 1726. a Patribus Soc. Jesu. Ex eadem Epistola. VI. An Account of a Machine for measuring any Depth in the Sea, with great Expedition and Certainty; shewn to the Royal Society, by J. T. Defaguliers, L L. D. and R. S. S. contriv’d by the Rev. Mr. Stephen Hales, F. R. S. and Himself. VII. Extract of Two uncommon Cases of Tumours of the Abdomen, from a Latin Tract publish’d at Strasburgh, Anno 1728, and entituled, Joannis Boecleri, M. D. &c. ad Exteros Medicos Epistola; by W. Rutty, M. D. R. S. Secr. VIII. An Account of the Culture and Management of Saffron in England, by James Douglass, M. D. Med. Regin. Extr. &c. F. R. S. ERRATUM. Pag. 554. lin. 26. dele è. PHILOSOPHICAL TRANSACTIONS FOR THE Month of DECEMBER, 1728. The CONTENTS. I. Remarks on the Height of Mountains in general, and of those of Switzerland in particular, with an Account of the Rise of some of the most considerable Rivers of Europe. By J. G. Scheuchzer, M. D. &c. II. Optical Experiments made in the Beginning of August 1728, before the President and several Members of the Royal Society, and other Gentlemen of several Nations, upon Occasion of Signior Rizzetti's Opticks, with an Account of the said Book, By J. T. Desaguliers, L. L. D. and F. R. S. a 2 III. The