Transactions of the American Philosophical Society—Continued.

An Account of the Beneficial Effects of the Caffia Chamacrifla in recruiting worn-out lands, and enriching such as are naturally poor, together with a Botanical Description of the Plant, by Dr. James Greenway, of Dinwiddie Co., in Virginia. An Account of a Hill, on the borders of North Carolina, supposed to have been a Volcano, in a Letter from a Continental Officer residing in that neighbourhood, to Dr. J. Greenway, near Petersburg in Virginia.

An Account of a Poisonous Plant growing spontaneously in the Southern part of Virginia, extracted from a Paper communicated by Dr. James Greenway. Description of a Machine for Measuring a Ship's Way, in a Letter from Francis Hopkinson, Esq., to Mr. John Vaughan.

An Inquiry into the question, Whether the Apis Mellifica, or Tree-Honey Bee, is a Native of America, by Benjamin Smith Barton, M.D.

An Account of a Comet, in a Letter to Mr. R. Patterson, by D. Rittenhouse, Esq. Cadmus; or, a Treatise on the Elements of Written Language, illustrating, by a philosophical division of speech, the power of each Character, thereby mutually fixing the Orthography and Orthoepy with an Essay on the Mode of Teaching the Surd, or Deaf, and consequently Dumb, to speak, by William Thornton, M.D., honoured with the Magellanic Gold Medal, by the Philosophical Society, in December, 1792.

Observations on the Theory of Water-Mills (continued from p. 193), by W. Waring. An Improvement on Metallic Conductors, or Lightning Rods, in a Letter to D. Rittenhouse, Esq., from Mr. R. Patterson, honoured with the Magellanic Premium, by an award of the Society, in December, 1792.

An easy and expeditious Method of dissipating the Noxious Vapour commonly found in Wells and other Subterraneous Places, by Ebenezer Robinson, of Philadelphia. A Method of Draining Ponds in Level Grounds, by Jeffi Higgins, of Delaware. Observations on the Severity of the Winter, 1779 and 1780, by the Rev. Matthew Wilson, of Lewis, dated 22nd June, 1780.

A Description of a New Standard for Weights and Measures, in a Letter from Mr. John Cooke, of Tipperary, in Ireland, to Thomas Jefferson, Esq.

Description of a Spring Block, designed to assist a Vessel in Sailing, by Francis Hopkinson, Esq., of Philadelphia, honoured with the Magellanic Gold Medal, by an award of the Society, in December, 1790.

A Botanical Description of the Podophyllum Diphyllum of Linnæus, in a Letter to Charles Peter Thunberg, M.D., Knight of the Order of Wasa, Professor of Medicine and Botany, in the University of Upsal, &c., &c.

Observations on the Construction of Hospitals, by Mr. Le Roy, Member of the Royal Academy of Sciences, extracted from an Essay on the subject, which, with several elegant plans, was transmitted by the Author to the Society, but could not be inserted entire, as it contained many remarks of local nature, respecting Paris only. OLD SERIES, VOL. IV.-1799.

Experiments and Observations relating to the Analysis of Atmospherical Air, by the Rev. Dr. J. Priestly.

Further Experiments relating to the Generation of Air from Water, by the Rev. Dr. J. Priestly.

To Determine the true Place of a Planet, in an Elliptical Orbit, directly from the Pean
Anomaly, by converging Series, by David Rittenhouse, Esq.

On the Improvement of Time-keepers, by David Rittenhouse, President of the Society.
On the Expansion of Wood by Heat, in a Letter from David Rittenhouse, Esq.
A Letter from Mr. Andrew Ellicott, to Mr. R. Patterson, in two parts.

Of the Aberration of the Stars, Mutation of the Earth's Axis, and Semi-annual Equation, by Mr. Andrew Ellicott.

A Letter from Mr. Andrew Ellicott to Mr. R. Patterson. A Method of calculating the Eccentric Anomaly of the Planets.

Method of raising the Common Logarithm of any number immediately, by David Rittenhouse, Esq.

Experiments on Evaporation, by C. Wistar, M.D. A Memoir concerning the Fascinating Faculty which has been ascribed to the Rattle-Snake and other American Serpents, by Benjamin Smith Barton, M.D.

Some Account of an American Species of Dipus or Jerboa, by B. Smith Barton, M.D. A Letter from Mr. John Hecke welder to Benjamin Smith Barton, M.D., giving some account of the remarkable instinct of a bird called the Nine Killer. An Inquiry into the Causes of the Insalubrity of Flat and Marshy Situations; and directions for preventing or correcting the effects thereof, by William Currie. Description of a Machine for saving Persons from the upper stories of a house on fire, by Nicholas Collin, D.D., the inventor; with a drawing from the Model.

A Disquisition on Wool-bearing Animals, by Dr. James Anderson, of North Britain, in a letter dated December 6, 1794.

Transactions of the American Philosophical Society-Continued.

An Easy and Accurate Method of adjusting the Glasses of Hadley's Quadrant on land for the Back Observation, by Mr. Robert Patterson, in a letter to David Rittenhouse, Esq.

Later Communications by the Author on this subject, with the sample taken from the fleece of a sheep brought from Jamaica to England.

An Essay tending to improve intelligible Signals, and to discover an Universal Language. From an anonymous correspondent in France (probably the inventor of the Telegraph), translated from the French.

Memoir on the subject of a New Plant growing in Pennsylvania, particularly in the Vicinity of Philadelphia, by Mr. Beauvois.

A Letter from Colonel Winthrop Sargent, to Benjamin Smith Barton, M.D., accompanying Drawings, and some account of certain articles which were taken out of an ancient Tumulus, or Grave, in the Western Country.

A Drawing of some Utensils, or Ornaments, taken from an old Indian Grave, at Cincinnati, County of Hamilton, and Territory of the United States, North-west of the River Ohio, August 30, 1794, by Colonel Winthrop Sargent. Communicated by Benjamin Smith Barton, M.D.

Observations and conjectures concerning certain Articles which were taken out of an Ancient Tumulus, at Cincinnati, in the County of Hamilton, and Territory of the United States, North-West from the River Ohio, in a letter from Benjamin Smith Barton, M.D., to the Rev. Joseph Priestly, LL.D., F.R.S., &c.

Barometrical Measurement of the Blue Ridge, Warm Springs, and Alleghany Mountains, in Virginia, taken in the summer of the year 1791.

Miscellaneous Observations relative to the Western Parts of Pennsylvania, particularly those in the neighbourhood of Lake Erie, by Andrew Ellicott.

Observations made on the Old French Landing at Presqu' Isle, to determine the latitude of the Town of Erie, in a letter from Andrew Ellicott, to Robert Patterson, Secretary of the Society.

Hints relative to the stimulating effects of Camphor upon Vegetables, by Benjamin Smith Barton, M.D.

Supplementum Indicis Flora Lancastriensis auctore Henrico Muhlenburg.

municated by Dr. Barton.

Com

On the mode, most easy and effectually practicable, of drying up the Marshes of the Maritime parts of North America, by Thomas Wright, Licentiate of the College of Surgeons in Ireland, and Teacher of Anatomy.

A Memoir on the Discovery of certain Bones of a Quadruped of the Clawed kind, in the Western parts of Virginia, by Thomas Jefferson, Esq.

A Letter from Mr. John Heckewelder, to Benjamin Smith Barton, M.D., containing an account of an Animal called the Big Naked Bear.

Experiments and Observations on Land and Sea Air, by Adam Seybert, M.D.
Translation of a Memoir on a new Species of Siren, by M. D. Beauvois.

Observations intended to favour a supposition that the black colour (as it is called) of the Negroes is derived from the Leprosy, by Dr. Benjamin Rush.

An Improvement in Boats for River Navigation, described in a Letter to Mr. Robert Patterson, by Nicholas King.

General Principles and Constructions of a Sub-marine Vessel, communicated by D. Bushnell of Connecticut, the Inventor, in a letter of October, 1787, to Thomas Jefferson, then Minister Plenipotentiary of the United States at Paris.

The Description of a Mould Board of the least resistance, and of the easiest and most certain construction, taken from a letter to Sir John Sinclair, President of the Board of Agriculture at London.

Experiments on Magnetism, communicated in a letter to Thomas Jefferson, Esq., by the Rev. James Madison, President of William and Mary College. Thermometrical Observations made at Fort Washington, commencing June, 1790, and ending April, 1791, by Daniel Britt and G. Turner, to which are added, for some time, the Rise and Fall of the Ohio. Communicated by G. Turner. Calculations relating to Grist and Saw Mills, for determining the quantity of Water necessary to produce the desired effect when the Head and Fall are given, in order to ascertain the dimensions of a new-invented Steam Engine, intended to give motion to water-wheels in places where there is no fall, and but a very small stream or spring, by John Nancarrow.

Memoir on Amphibia, by M. de Beauvois. An Appendix to the two articles in this volume (p. 1), by Dr. Priestly, in a letter to B. S. Barton, M.D.

An Inquiry into the comparative effects of the Opium Officinarum, extracted from the Papaver Somniferum, or White Poppy, Linnæus; and of that procured from the Lactuca Sativa, or common cultivated Lettuce of the same Author, by John Redman Coxe, M.D., an Honorary Member of the Philadelphia Medical Society and a Senior Member of the Chemical Society of Philadelphia.

Transactions of the American Philosophical Society-Continued.

Experiments and Observations on the Atmosphere of Marshes, by Adam Seybert, M.D. An Account of a Kettle for boiling inflammable Fluids, in a letter from Thomas P. Smith to Robert Patterson.

An Essay on the New Method of treating the Effusion which collects under the Skull after Fractures of the Head, by J. Deveze, Officer of the Health of the first class in the French Armies.

Memoir on the Sand-hills of Cape Henry, Virginia, by B. Henry Latrobe, Engineer. Supplement to Mr. Latrobe's Memoir.

Account of Crystallized Basaltes found in Pennsylvania, by Thomas P. Smith. Observations for determining the Latitude and Longitude of the Town of Natchez, by Andrew Ellicott, Esq., Commissioner on the part of the United States for running the line of Demarcation between them and the Spanish Territory. Communicated to the Society by R. Patterson.

An Answer to Dr. Joseph Priestly's considerations on the doctrine Phlogiston, and the Decomposition of Water; founded upon demonstrative Experiments, by James Woodhouse, M.D., Professor of Chemistry in the University of Pennsylvania, &c. Philological view of some very Ancient Words in Several Languages, by the Rev. Nicholas Collin, D.D., Rector of the Swedish Church in Pennsylvania.

Memoir of the Extraneous Fossils denominated Mammoth Bones; principally designed to show, that they are the remains of more than one species of nondescript Animals, by George Turner, Member of the A.P.S., Honorary and Corresponding Member of the Bath and West of England Society, &c.

Description of a Speedy Elevator, by the inventor, Nicholas Collin, D.D., with two drawings from a model, representing it folded and wound up.

A Description of the Bones deposited by the President in the Museum of the Society, and represented in the annexed plates, by C. Wistar, M.D., Adjunct Professor of Anatomy, &c., in the University of Pennsylvania.

OLD SERIES, VOL. V.-1802.

Experiments on the Transmission of Acids, and other Liquors, in the form of Vapour, over several Substances, in a hot Earthen Tube, by Dr. Joseph Priestly. Experiments relating to the change of place in different kinds of Air through several interposing substances, by Dr. Joseph Priestly.

Experiments relating to the Absorption of Air by Water, by Dr. Joseph Priestly. Miscellaneous Experiments relating to the doctrine of Phlogiston, by Dr. Joseph Priestly.

Experiments on the Production of Air by the Freezing of Water, by Dr. Joseph
Priestly.

Experiments on Air exposed to Heat in Metallic Tubes, by Dr. Joseph Priestly.
Some Account of the Poisonous and Injurious Honey of North America, by Benjamin
Smith Barton, M.D.

On the Ephoron Leukon, commonly called the White Fly, of Passaic River, by Dr.
Williamson.

Remarks on certain Articles found in an Indian Tumulus at Cincinnati, and now deposited in the Museum of the American Philosophical Society, by George Turner. A Drawing and Description of the Clupea Tyrannus, and Oniscus Prægustator, by Benjamin Henry Latrobe, F.A.P.S.

A Description of a newly invented Globe Time-Piece, by the Rev. Burgiss Allison. A Description of the Pendant Planetarium, by Burgiss Allison, A.M. On the use of the Thermometer in Navigation, by William Strickland. Sur les Vegétaux, les Polypes, et les Insectes, by Dupont de Nemours. Memoir on the Analysis of Black Vomit, by Dr. Isaac Cathrall. Observations on the Soda, Magnesia, and Lime, contained in the Water of the Ocean; showing that they operate advantageously, thereby neutralizing Acids, and among others the Septic Acid; and that Sea-water may be rendered fit for washing clothes without the Aid of Soap, by Samuel L. Mitchell, of New York. Description of a Stopper for the Openings by which Sewers of the Cities receive the Water of their Drains, by Mr. John Fraser, of Chelsea, London.

A Memoir on Animal Cotton, or the Insect Fly Carrier, by M. Baudry des Lozieres, Member of Several Academies, and Founder of the Society of Sciences and Arts at Cape François.

Note concerning a Vegetable found underground, in a letter from Colonel Bull. Astronomical and Thermometrical Observations made at the Confluence of the Mississippi and Ohio Rivers, by Andrew Ellicott.

Astronomical and Thermometrical Observations made on the boundary between the United States and his Catholic Majesty, by Andrew Ellicott.

Observations on the Figure of the Earth, by Joseph Clay, M.A.P.S.

Description of some Improvements in the common Fire-place, accompanied with

Transactions of the American Philosophical Society-Continued.

Models, offered to the consideration of the American Philosophical Society, by C. W. Peale, and his son Raphaelle.

Appendix No. 1. An Account of a Method preventing the premature Decay of Peach Trees, by John Ellis, of New Jersey.

Description of a Method of cultivating Peach Trees, with a view to prevent their premature Decay, confirmed by the experience of Forty-five Years in Delaware State and the western parts of Pennsylvania, by Thomas Coulter, Esq., of Bedford County, Pennsylvania.

OLD SERIES, VOL. VI.-1809. PART 1.

An Account of the Language of Signs among certain North American Indians, by William Dunbar, Esq., of Natchez, on the Mississippi, Member of the Society. Communicated by Thomas Jefferson, Esq.

Meteorological Observations for one entire year, ending the 31st of January, 1800, made by William Dunbar, Esq., at the Forest, 4 miles east of the Mississippi, in Lat. 31° 28' N. and Long. 91° 30′ W. of Greenwich; on the eminence about 180 feet above the level of the highest waters of the annual inundation of the Mississippi. Communicated by the President of the Society.

Description of a singular Phenomenon seen at Baton Rouge, by William Dunbar, Esq. Communicated by the President of the Society.

A Short and Easy Rule for finding the Equation for the change of the Sun's Declination, when equal altitudes are used to regulate a Clock or other Time-piece, by Andrew Ellicott, Esq. Communicated by the author.

Account of an extraordinary Flight of Meteors (commonly called Shooting-Stars), communicated by Andrew Ellicott, Esq., as extracted from his Journal, in a Voyage from New Orleans to Philadelphia.

An improved Method of Projecting and Measuring Plane Angles, by R. Patterson, communicated by Andrew Ellicott, Esq.

Sur le Théorie des Vents, par M. Dupont de Nemours.

Extracts of a Letter from William Dunbar, Esq., of Natchez, to the President of the Society, relating to Fossil Bones found in Louisiana, and to Lunar Rainbows found west of the Mississippi.

Meteorological Observations made by William Dunbar, Esq., at the Forest, 4 miles west of the Mississippi, in lat. 31° 28′ N. and long. 91° 30′ W. of Greenwich, for the year 1800; with remarks on the State of the Weather, Vegetation, &c., calculated to give some idea of the climate of that country.

Abstract of a Communication from Mr. Martin Duralde, relative to Fossil Bones, &c., found in the country of Apelonsas, west of the Mississippi, to William Dunbar, Esq., of Natchez, and by him transmitted to the Society.

Observations made on a Lunar Eclipse, at the Observatory in the City of Philadelphia, on the 21st of September, 1801, by R. Patterson and A. Ellicott.

On the Hybernation of Swallows, by the late Col. Antes, communicated by Dr. Barton. Astronomical Observations made at Lancaster, Pennsylvania, chiefly with a view to ascertain the Longitude of that Borough, and as a test of the accuracy with which the Longitude may be found by Lunar Observation, in a Letter from A. Ellicott to R. Patterson.

Notices of the Natural History of the northerly parts of Louisiana, in a Letter from Dr. John Watkins to Dr. Barton.

On Two Species of Sphex, inhabiting Virginia and Pennsylvania, and probably extending through the United States, by Benjamin H. Latrobe. Memorandum of a New Vegetable, Muscipula, by Dr. Barton.

On the Claying of Sugar, describing a new economical mode of conducting that Process, by Jonathan Williams, Esq.

An Account of some new-discovered Islands and Shoals in the Indian Seas, by Mr. Thomas, an Officer on board the American Ship "Ganges.'

First Report of Benjamin H. Latrobe, to the American Philosophical Society, in answer to the inquiry," Whether any and what Improvements have been made in the Construction of Steam-Engines in America?

An Account of the Fusion of Strontites, and Volatilization of Platinum, and also of a new arrangement of Apparatus, communicated by Robert Hare, jun.

An Account and Description of a Cock, with two Perforations, contrived to obviate
the necessity of a Vent-peg in tapping air-tight casks, by Robert Hare, jun.
Some Account of a new Species of a Northern American Lizard, by Dr. Barton.
Continuation of Astronomical Observations made at Lancaster, Pennsylvania, in a
Letter from A. Ellicott to R. Patterson.

Observations and Experiments relating to equivocal and spontaneous Generation, by
Dr. J. Priestly.

Observations on the Discovery of Nitre in common Salt, which had been frequently mixed with Snow, in a Letter to Dr. Wistar from Dr. J. Priestly.

Transactions of the American Philosophical Society-Continued.

A Letter on the supposed Fortifications of the Western Country, from Bishop Madison, of Virginia, to Dr. Barton.

Supplement to the Account of the Dipus Americanus, in the Fourth Volume of the Transactions of the Society, No. 12, by Dr. Barton.

Hints on the Etymology of certain English Words, and on their affinity to Words in the Languages of different European, Asiatic, and American (Indian) Nations, in a Letter from Dr. Barton to Dr. Thomas Beddoes.

Astronomical Observations made by Jose Joaquin de Ferrer, chiefly for the purpose of determining the Geographical Position of various places in the United States and other parts of North America, communicated by the author.

Description of the River Mississippi and its Delta, with that of the adjacent parts of Louisiana, by William Dunbar, Esq., of Natchez, communicated by the author, through the President of the Society.

Abstract of Meteorological Observations for the years 1801, 1802, and 1803, made at Natchez, by William Dunbar, Esq.

Proceedings of the Society on the Death of their late eminent Associate, Dr. Joseph Priestly.

OLD SERIES, VOL. VI.-1818. PART 2.

Appendix to Memoir, No. 30 of the 1st Part of this Volume, on the Mississippi, by William Dunbar, of Natchez.

Demonstration of Geometrical Theorem, by Joseph Clay, Esq., of Philadelphia. An Account and Description of Captain W. Mugford's Temporary Rudder, and for which the Extra Magellanic Premium was awarded.

Facts and Observations relative to the Beaver of North America, by Mr. John Heckewelder, in answer to Queries proposed to him by Professor Barton.

Memoir on the Occultation of Aldabaran by the Moon, on the 21st of October, 1793, by J. J. de Ferrer.

The Geographical Position of Sundry Places in North America and the West Indies, calculated by J. J. de Ferrer :

From an Occultation of the first Satellite of Jupiter by the Moon, observed at New Orleans, by Mr. A. Ellicott, and at the Royal Observatory of the Island of Leon, by Don J. Ortis de Canelas, and at the National Observatory, Paris, by M. Mechain, on the 18th day of January, 1799.

From the Passage of Mercury over the disc of the Sun, May 7th, 1799.

From an Egress of Mercury from the Sun's disc, observed by Mr. A. Ellicott, at Miller's Place, Coenecuch River.

Determination of the Diameters of the Sun and Mercury, Conjunction in the Ecliptic, and error of the Tables in Longitude.

Continuation of the Astronomical Observations made at Lancaster, Pennsylvania, by Mr. A. Ellicott.

A Description of a Cave on Crooked Creek, with Remarks and Observations on Nitre and Gunpowder, by Samuel Brown, M.D., of Lexington, Kentucky.

An Essay on the Vermilion Colour of the Blood, and on the different Colours of the Metallic Oxides, with an application of these principles to the Arts, by S. F. Conover, M.D.

Observations of the Eclipse of the Sun, June 16th, 1806, made at Lancaster, by A. Ellicott, Esq.

Observations of the same, made at the Forest, near Natchez, by William Dunbar, Esq. Observations of the same Eclipse, made at Kinderhook, in the State of New York, by J. J. de Ferrer and J. Garnett.

Observations on the same, made at Bowdoin College, in the District of Maine, by a Member of the Society.

On finding the Longitude from the Moon's Meridian Altitude, by William Dunbar, An Account of the Freestone Quarries on the Potomac and Rappahanoc Rivers, by B. H. Latrobe.

Further Observations on the Eclipse of the 16th of June, 1806; a Determination of the Longitude of Natchez and New Orleans; also an Investigation of the SemiDiameters of the Sun and Moon, by J. J. de Ferrer.

Observations on the same Eclipse, made by Simeon de Witt, Esq., of Albany, State of New York.

Description and Use of a new and simple Nautical Chart, for working the different Problems in Navigation, for which the extra Magellanic Premium was awarded, by John Garnett, Esq., of New Brunswick, New Jersey.

Observations to serve for a Mineralogical Map of the State of Maryland, by S. Gordon. Memoir on the Meteoric Stones which fell from the atmosphere in the State of Connecticut, on the 14th of December, 1807, by Benjamin Silliman, Professor of Chemistry in Yale College, and Mr. James S. Kingsley.