wassen, door Jan Kops, en J. E. van der Trappen. Aflev. 147, 148, 149, 150, 151. 4to. Amsterdam. From the Netherlands Government.

F. G. W. Struve. Stellarum Duplicium et Multiplicium Mensura Micrometricæ per Magnum Fraunhoferi Tubum, Annis 1824-37, in Specula Dorpatensi Institutæ ; Adjecta est Synopsis Observationum de Stellis Compositis Dorpati Annis 1814-24 per minora Instrumenta perfectorum. Editæ jussu et expensis Acad. Sci. Cæsar. Petropolitanæ. Petrop., 1837. From the Author.

F. G. W. Struve. Description de l'Observatoire Astronomique Central de Poulkova. St. Petersbourg, 1845. 4to. With a folio volume of Plates, &c. From the Imperial Observatory of Pulkova. F. G. W. Struve. Expedition Chronométrique executée en 1843 entre Poulkova et Altona, &c. St. Petersbourg, 1844. From the Imperial Observatory of Pulkova.

Astronomische Ortsbestimmungen in der Europäischen Türkel, in Kaukasien und Klein-Asien, etc., in der Jahren 1828 bis 1832. Angestellten Astronomischen Beobachtungen, etc., von F. G. W. Struve. St. Petersburg, 1845. From the Imperial Observatory of Pulkova.

F. G. W. Struve. Catalogus Librorum Speculæ Pulgovensis, 1845. From the Imperial Observatory of Pulkova.

F. G. W. Struve. Table des Positions Géographiques Principales de la Russie. St. Petersbourg, 1843. From the Imperial Observatory of Pulkova.

F. G. W. Struve. Sur le Coefficient Constant dans l'Aberration des Etoiles Fixes, etc. St. Petersbourg, 1843. From the Imperial Observatory of Pulkova.

F. G. W. Struve. Catalogue de 514 Etoiles Doubles et Multiples découvertes sur l'Hémisphère Céleste Boréal par la Grand Lunette de l'Observatoire Central de Poulkova: et Catalogue de 256 Etoiles Doubles Principales où la Distance des Composantes est 32 Secondes à 2 Minutes. Publiée par l'Acad. Imp. Sci. St. Petersb. 1843. From the Imperial Observatory of Pulkova.

M. Weisse. Catalogus Stellarum ex Zonis Regiomontanis. (Edit. F. G. W. Struve.) Petrop., 1846. From Professor Struve.

Walter Channing, M. D. On Etherization in Childbirth. 8vo. Boston, 1848. From the Author.

Topographical Engineers' Papers, No. 2. Determination of the Latitude with Zenith and Equal Altitude Telescopes, by Captain T. J.

Lee, U. S. Corps Topog. Engineers. 4to pamph. Washington, 1848. From the Topographical Bureau.

Charles Martins. Instructions pour l'Observation des Trombes Terrestres. (Extr. de l'Annuaire Météorologique de la France, 1848.) From the Author.

Edward Desor. Embryology of Nemertes, with an Appendix on the Embryonic Development of Polynoë. (Extr. Jour. Bost. Nat. Hist. Society.) From the Author.

American Journal of Science and Arts. No. 19. New Series. For January, 1848. From the Editors.

Abhandlungen der Königl. Preuss. Akademie der Wissenschaften zu Berlin aus dem Jahre 1846. 4to. Berlin, 1848. From the Berlin Academy.

Monatsbericht der Königl. Preuss. Akademie der Wissenschaften zu Berlin. July - Dec., 1847, and January-June, 1848. 8vo. From the Berlin Academy.

Denkschriften der Allgemeinen Schweitzerschen Gesellschaft für die gesammten Naturwissenschaften. Band I. 4to. Zurich, 182933. Neue Denkschriften Schweitz. Gesellsch., etc. Bände I. - IX. 4to. Neuchatel, 1837-47. From the Helvetian Natural History

Society.

Francis Wayland, D. D. The Elements of Moral Science. Boston, 1849.- The Elements of Political Economy. Boston, 1848.Thoughts on the Present Collegiate System in the United States. Boston, 1842. Sermons delivered in the Chapel of Brown University. Boston, 1849. 12mo. From the Author.

Smithsonian Contributions to Knowledge. Occultations visible in the United States during 1849, computed under the Direction and at the Expense of the Institution, by John Downes. 4to pamph. Washington, 1848. From the Smithsonian Institution.

Proceedings of the Academy of Natural Sciences, Philadelphia. Vol. IV., Nos. 3–7. 8vo. 1848.

Charter of the Boston and Lowell Railroad Corporation, and Report of the Directors to the Legislature, 1848. 8vo pamph. Boston, 1849.

Edward Everett. Correspondence relative to the Award of the King of Denmark's Comet-Medal to Miss Maria Mitchell of Nantucket, for the Discovery of a Telescopic Comet, on the 1st of October, 1847. 8vo pamph. [Not published.] Cambridge, 1849. From the Author.

Report of the Stockholders of the Dauphin and Susquehanna Coal Company. Philadelphia, 1848.

Dr. J. C. Flügel. Literarische Sympathien öder Industriel Buchmacherei, ein Beitrag zur Geschichte der Neueren Englischen Lexicographie von Dr. J. G. Flügel. Leipsic. With other pamphlets on the same subject. From the Author.

Edward Everett. Speech in Support of the Memorial of Harvard, Williams, and Amherst Colleges, delivered before the Joint Committee on Education, in the Hall of the House of Representatives, Boston, February 7th, 1849. 8vo pamph. From the Author.

Report on the Memorial of W. T. G. Morton, and the Remonstrance of Dr. Charles T. Jackson. 8vo pamph. Congressional Document, No. 114. From the Author.

Annals of the Lyceum of Natural History, New York. Vol. IV., No. 5. Feb., 1846. 8vo. New York, 1846. From the Lyceum. Joseph Leidy, M. D. Observations on the Existence of the Intermaxillary Bone in the Embryo of the Human Subject. Pamph. From the Author.

Annual Report of the Trustees of the State Library of the State of New York; made to the Legislature, January 15, 1849. 8vo. Albany, 1849. From the Regents of the University of the State of New York.

Proceedings of the Friends of a Railroad to San Francisco, at a Public Meeting, Boston, April 19, 1849. Second Edition. Pamph. Boston, 1849.

Proceedings of the American Philosophical Society. Vol. V., No. 42. January to March, 1849. 8vo. Philadelphia. From the Society.

A. D. Bache. Report of the Superintendent of the United States Coast Survey. December, 1848. Congressional Document. From Hon. Robert C. Winthrop.

J. C. Fremont. Geographical Memoir upon Upper California; in Illustration of his Map of Oregon and California; addressed to the Senate of the United States. With the Map. Congressional Document. Washington, 1849. From Hon. R. C. Winthrop.

A. Guyot. The Earth and Man. Lectures on Comparative Physical Geography in its Relation to the History of Mankind. 12mo. Boston, 1849. From the Author.

Reports from the Secretary of the Treasury of Scientific Investiga

tions in Relation to Sugar and Hydrometers, made under the Superintendence of Professor A. D. Bache, by Professor R. S. McCulloh. Congressional Document. 8vo. Washington, 1848. From the Comptroller's Office, Washington.

Samuel Geo. Morton, M. D. Additional Observations on a New Liv. ing Species of Hippopotamus of Western Africa. (Extr. Jour. Acad. Nat. Sci. Philad.) 4to. Philadelphia, 1849. From the Author. Smithsonian Contributions to Knowledge. App. I. to Vol. II.; containing an Ephemeris of the Planet Neptune for the Date of the Lalande Observations of May 8th and 10th, 1795, and for the Oppositions of 1846, 1847, 1848, and 1849. Computed by Sears C. Walker. 4to pamph. Washington, 1849. From the Smithsonian Institution. Annals of the Lyceum of Natural History, New York. Vol. V., No. 1. 8vo. May, 1849. From the Lyceum.

Journal of the American Oriental Society. Vol. I., No. 4. 8vo. New Haven, 1849. From the Society.

Verhandlungen der Kaisersl. Leopold.-Cafol. Akademie der Naturforscher. Band XXIII. Suppl. Enthal. F. A. W. Miquel Illustrationes Piperacearum. 4to, with 92 Plates. Band XXIV. 4to. Breslau and Bonn, 1846, 1847. From the Acad. Naturæ Curio

sorum.

Augustus Mason, M. D. The Cholera : Brief Hints for its Prevention, &c., &c. 8vo pamph. Lowell, 1849. From the Author. Professor Von Boguslauski. On a New Micrometer and its Application to the Determination of the Parallax of Mars. (Ext. from the Transactions of the Royal Astronomical Society, London.) 4to pamph. From the Author.

Uranus, Synchronistisch geordenete Ephemeride aller Himmelserscheinungen des Jahr. 1849. Erstes und Zweites Quartal. 8vo. Breslau, 1849. From the Editor.

Übersicht der Arbeiten und Veranderungen der Schlesischen Gesellschaft für Vaterlandische Kultur im Jahre 1847. 4to. Breslau, 1848. From Professor Boguslauski.

Sixty-second Annual Report of the Regents of the University of the State of New York; made to the Legislature, March 1st, 1849. 8vo. From the Regents.

American Journal of Science and Arts. Second Series, No. 22. July, 1849. From the Editors.

E. B. O'Callaghan. Documentary History of the State of New

York; arranged under the Direction of the Hon. C. Morgan, Secretary of State. Vol. I. 8vo. Albany, 1849.

B. A. Gould, Jr. Account of the Observatory of Pulkova; as written for the North American Review, July, 1849. 8vo pamph. From the Author.

Jas. O. Halliwell. Rara Mathematica: or a Collection of Treatises on the Mathematics and Subjects connected with them. From Ancient inedited Manuscripts. Second Edition. London, 1841. From the Editor.

Three hundred and twentieth meeting.

May 29, 1849.-ANNUAL MEETING.

The PRESIDENT in the chair.

Mr. Everett announced that the comet discovered by Mr. George P. Bond, on the 11th of April last, at nine o'clock, P. M., was observed at Moscow, on the same evening, at half past nine o'clock. It was also seen in England, by Mr. Graham, on the 14th of April.

A memoir, "On some Applications of the Method of Mechanical Quadratures," by George P. Bond, was communicated.

Professor Agassiz gave a further exposition of his observations on the structure and devolopment of the Medusa.

A letter was read from Mr. Henry Dexter, the sculptor of the marble bust of the former President of the Academy, the late Hon. John Pickering, LL. D., recently placed in the hall, inclosing the list of the subscribers by whom this memorial was procured and presented to the Academy.

The Treasurer's Annual Report, with the auditor's certificate, was read and placed on file; and the appropriations for the current year, as proposed by the Treasurer, were voted.

Professor Charles U. Shepard, and Professor Charles B. Adams, of Amherst College, were elected Fellows of the Academy.

The annual election was held, and the following officers were chosen for the ensuing year, viz. :