Motus Gyratorii Exhibentium. Dorpati, 1849. folio pamph. the Author.

From

Prof. R. S. McCulloh. Report from the Secretary of the Treasury, of Scientific Investigations in Relation to Sugar and Hydrometers. Made under the Superintendence of Professor A. D. Bache. Revised Edition. Washington, 1848. 8vo. From the Hon. R. C. Winthrop. Patent-Office Report for 1847. Washington, 1848. 8vo. From the Hon. R. C. Winthrop.

N. D. Wailly. Elements de Paleographie. Paris, 1838. 2 vols. folio. From the French Minister of Public Instruction, through Mr. Alexander Vattemare.

The Report of the British Association for the Advancement of Science, for the Year 1848. 8vo. London, 1849. From the British Association.

Prof. Mitchell. Manner of Observing and Recording the Celestial Phenomena by a Machine. (A newspaper published at Cincinnati, 19th Sept., 1849. With a Plate.) From Prof. Mitchell.

Prof. C. B. Adams. Monograph of Stoastoma, a new Genus of new Operculated Land Shells. Amherst, Mass., Sept., 1849. 4to pamph. From the Author.

Victor Jubien. Poesies, Vaudevilles, &c. Maurice, 1842. From the Author.

Victor Jubien. Precis de Rhetorique, suivi des Règles auxquelles sont assujettis les differents Ouvrages de Litterature. Maurice, 1843. From the Author.

James D. Dana. Geology of the United States Exploring Expedition. 1 vol. 4to. With an Atlas of Plates. folio. Philadelphia, 1849. From the Author.

Prof. C. B. Adams. Contributions to Conchology, Nos. 1, 2, 3, 4, 5. 8vo pamph. Amherst, Massachusetts, 1849-50. From the Author.

Hon. R. C. Winthrop. An Address before the Maine Historical Society, at Bowdoin College. Boston, 1849. 8vo pamph. From the Author.

Alfred Smee. Elements of Electro-Biology; or the Voltaic Mechanism of Man; of Electro-Pathology, especially of the Nervous System; and of Electro-Therapeutics. 8vo. London, 1849. From the Author.

Col. Edward Sabine. Directions for the Use of a Small Appa

ratus to be employed with a Ship's Standard Compass, for the Purpose of ascertaining at any Time, whether at Sea or in Harbour, the changing Part of the Deviation, which is usually different in different Parts of the Globe. 8vo pamph. London, 1849. From the Royal Society of London.

Proceedings of the Royal Society, for 1847 and 1848. Nos. 69, 70, 71, 72. From the Society.

Philosophical Transactions of the Royal Society for 1848. Do. for 1849, Part First. 4to. Catalogue of the Members of the Royal Society, 1847, and Do. for 1848. From the Society.

George Ticknor. History of Spanish Literature. New York, 1849. 3 vols. 8vo. From the Author.

Transactions of the Royal Irish Academy. Vol. XXII. 1848-49. 4to. Dublin, 1849. From the Academy.

Proceedings of the Royal Irish Academy. Vol. III. 1845-47. Vol. IV., Parts 1 and 2. 1847-49. 8vo. Dublin. From the Academy. M. Tuomey. Report on the Geology of South Carolina. 4to. Columbia. 1848.

Robert W. Gibbes, M. D. New Species of Myliobates from the Eocene of South Carolina, with other Genera, not heretofore observed in the United States. 4to pamph. From the Author, through Dr. Warren.

Transactions of the Zoological Society of London. Vol. III., Parts 2, 3, 4, 5, 6. From the Zoological Society.

Annuaire Magnetique et Métérologique du Corps des Ingenieurs des Mines, ou Recueil d'Observations Métérologique et Magnetique Faites dans l'étendue de l'Empire de Russie et publiées par A. T. Kupffer, Directeur, etc. Année 1845. Nos. 1, 2. 4to. St. Petersburg, 1848. Resumé des Observations Métérologique Faites dans l'Empire de Russie, etc. 1er Cahier. St. Petersburg, 1846. From the Imperial Academy of St. Petersburg.

Occultations visible in the United States during the Year 1850. Computed by John Downes, at the Expense of the Fund appropriated by Congress for the Establishment of a Nautical Almanac, and published by the Smithsonian Institution. 4to. Washington, 1849. From the Hon. R. C. Winthrop.

Astronomical Journal, Nos. 1 to 9. From the Editor, Benjamin A. Gould, Jr.

Magnetical and Meteorological Observations at the Magnetic and

Meteorological Observatory at the Girard College, Philadelphia. Made under the Direction of Prof. A. D. Bache. 1840-45. 3 vols. 8vo.

Plates, 1 vol. Washington, 1847. (Pub. Doc.) From the Hon. R.

C. Winthrop.

Annual Report of the Commissioner of Patents for the Year 1848. 8vo. Washington. From H. I. Bowditch.

Joseph Leidy, M. D. 1. History and Anatomy of the Hemipterous Genus Belostoma (Art. 6, in Jour. Acad. Natural Sciences, Philadelphia).-2. Descriptions of Two Species of Distoma, with a Partial History of one of them. Plate. (Art. 26, Vol. I., N. S., Jour. Acad. Nat. Sc.) From the Author.

F. C. Zantedeschi. Annali di Fisica. Fasc. 2, 3, 4. 8vo pamph. Padova, 1849-50. From the Author.

Report of the Select Committee of the Legislature of 1849, on the Publication of the Natural History of the State of New York. 8vo. Albany, 1850.

Prof. C. B. Adams. Monograph of Vitrenella, a new Genus of new Species of Turbinidæ. Amherst, 1850. From the Author. James D. Dana. On the Isomorphism and Atomic Volume of some Minerals, with a Table of Atomic Weights. Journal of Science and Arts.) 8vo pamph. the Author.

(From the American March, 1850. From

Descriptions of the Instruments and Process used in the Photographic Self-Registration of the Magnetical and Meteorological Instruments at the Royal Observatory, Greenwich (extracted from the Introduction to the Greenwich Magnetical and Meteorological Obs., 1847). 4to pamph. London.

Letters on Certain Passages in the Life of Admiral Sir John Hawkins. (Temp. Elizabeth.) From John Paine Collier, Esq., and Captain W. H. Smyth. 4to pamph. London, 1850.

Boston Journal of Natural History. Vol. IV., No. 1. 8vo. Boston, 1850. From Soc. Nat. Hist.

U. S. Coast Survey. Maps of Huntington Bay, Harbours of Captains Island East, and Captains Island West, and Mouth of Chester River. From Prof. A. D. Bache, Superintendent of U. S. C. S., by request of Hon. R. C. Winthrop.

Catalogue of the New York State Library, January, 1850. 8vo. Albany, 1850. From the Regents of the University of the State of New York.

Proceedings of the Royal Astronomical Society. Vol. X., No. 2. Dec. 14, 1849. From the Royal Astr. Soc.

Astronomical Observations made at the Royal Observatory, Greenwich, in the Year 1847. 4to. London, 1849.

Message from the Governor of Pennsylvania, transmitting the Reports of the Joint Commissioners, and of Col. Graham, U. S. Engineers, in Relation to the Boundary Lines between the States of Pennsylvania, Delaware, and Maryland. 8vo pamph. Harrisburg, 1850. From Col. J. D. Graham.

B. A. Gould, Jr. Report to the Smithsonian Institution, on the History of the Discovery of Neptune. 8vo pamph. Washington, 1850. From the Author.

Prof. C. B. Adams. Contributions to Conchology. Nos. 6 and 7. 8vo pamph. From the Author.

Proceedings of the American Philosophical Society. Vol. V., No. 44. From the Society.

Proceedings of the Academy of Natural Sciences of Philadelphia. Vol. IV., Nos. 9, 10, 11, 12. Vol. V., No. 1. 8vo pamph. 184950. From the Academy.

Journal of the Academy of Natural Sciences, Philadelphia. Vol. I. 8vo. Vol. I., New Series, 4 Parts. 4to. Philadelphia, 1848–49. From the Academy.

Third Annual Report of the Regents of the University, of the Condition of the State Cabinet of Natural History, and the Historical and Antiquarian Collections annexed thereto. (State Document.) 1850. 8vo. From the Regents of the New York University.

Mémoires de la Société de Physique et d'Histoire Naturelle de Genève. Tom. XII., 1re Partie. Geneva, 1849. 4to. From the Society.

Premier Supplement au Tome XII. des Mém. Soc. Phys. et d'Hist. Nat. Genèv. Observations Astronomiques Faites à l'Observatoire de Genève dans l'Année 1846, par E. Plantamour. VI. Serie. Geneva, 1848.- Second Suppl. au Tome XII., etc., etc. Geneva, 1849. 4to. From the Society.

Tables des Comptes Rendus des Séances de l'Academie des Sciences. Deuxième Semestre, 1847. Tom. XXV.-Comptes Rendus Hebdominaires des Séances de l'Academie des Sciences; par MM. les Secretaires Perpetuels. Tom. XXVI. 1848. Premier Semestre, Nos. 1-25. From the Academy of Sciences.

Twenty-ninth Annual Report of the Board of Direction of the Mercantile Library Association, Clinton Hall, New York. Jan., 1850. 8vo pamph.

Neu Denkschriften der Allg. Schweizerischen Gesellschaft fur die gesammten Naturwissenschaften. Band. VII. - XIX. 4to. Neuchatel, 1845.

On the Regio Cinnamomifera of the Ancients. By W. Desborough Cooley. With Maps. Read before the Royal Geol. Soc. of London, April, 1849. 8vo pamph. From the Hon. Edward Everett.

On the Tertiary and more recent Deposits in the Island of Nantucket. By E. Desor and E. C. Cabot. (In a Letter to Sir Charles Lyell, Pres. Geol. Soc.) 8vo pamph. 1849.

Edward Jarvis, M. D. Production of Vital Force. A Discourse delivered before the Massachusetts Medical Society, at their Annual Meeting, May 30th, 1849. 8vo. Boston, 1849. From the Author.

Three hundred and thirty-first meeting.

May 28, 1850.- ANNUAL MEETING.

The PRESIDENT in the chair.

The Treasurer presented his annual report on the finances of the Academy, accompanied by the certificate of the Auditor. Dr. Gould, from the Library Committee, and Dr. Gray, from the Committee of Publication, made verbal reports.

Mr. Everett moved resolutions of respect to the memory of the late William Vaughan, Esq., of London, an Honorary Member of the Academy, which were unanimously adopted.

Professor Treadwell, from the Committee on Meteorological Observations, read the following report:

"The committee appointed, in February last, to consider the subject of meteorological observations, respectfully ask leave to report, that there are now in the possession of the Academy journals of observations, more or less complete, for the following periods:

"Professor Winthrop's Journal, from December 11th, 1742, to April 29th, 1779.

"Professor Wigglesworth's Journal, from August 1st, 1780, to December 31st, 1789. Also for the year 1793.