thèque Impériale Publique de St. Petersbourg. 8vo. St. Petersbourg. 1852.

Mémoires présentées à l'Académie Impériale des Sciences de St. Petersbourg par divers Savants et lus dans ses Assemblées. Tome Sixième, 2 et 3 Livraisons. 4to. St. Petersbourg. 1848 et 1849. 2 pamph.

me

Mémoires de l'Académie Imp. des Sc. de St. Petersbourg, VI Serie. Sciences, Math., Phys., et Natur. Tome Huitième. Seconde Partie Sciences, Natur. Tome Sixième, 3, 5, et 6 Livraisons.

4to. St. Petersbourg. 1849. 2 pamph.

Imperial Mineralogical Society, St. Petersbourg.

Verhandlungen der Russ. Kaiserl. Mineral. Gesell. zu St. Petersbourg. 1842-49. 6 vols. 8vo. 1842 50. St. Petersbourg. (Vols. for 1845-47, duplicates.)

Schriften der in St. Petersburg, gestifelen Russ. Kais. Gesell. für die gesammte Mineralogie. Band I. Abth. 1 und 2. 2 vols. 8vo. St. Petersbourg. (Duplicate.)

Administration of Mines of Russia.

Annales de l'Observatoire Physique Central de Russie, 1850. Parts I. and II. 2 vols. 4to. St. Petersbourg. 1853.

Compte-Rendu Annuel, 1852. (Supplement to the Annals.) 4to. St. Petersbourg. 1853.

C. Lehman.

Novarum et minus cognitarum Stirpium pugillus nonus, addita. nova Recensione nec non Enumeratione Specie um omnium Generis Potentillarum, earumque Synonimia locupletissima. 4to pamph. Hamburg. 1851.

Lyceum of Natural History of New York.

Annals. Vol. V., Vol. VI. Nos. 1-4. 1854. 8vo. York.

Joseph Leidy.

New

On the Osteology of the Head of Hippopotamus, and a Description of the Osteological Characters of a new Genus of Hippopotamidæ. 4to pamph. Philadelphia.

Smithsonian Institution.

Smithsonian Contributions to Knowledge. Vols. III. and IV. 4to. Washington. 1852. Vol. V. 4to. Washington. 1853.

Smithsonian Report on Recent Improvements in the Chemical Arts, by Professor James C. Booth and Campbell Monfit. Washington. 1852. Pamph.

Sixth Annual Report of the Board of Regents of the Smithsonian Institution, &c. Washington. 1852. Pamph.

Smithsonian Contributions to Knowledge. Memoir of the Extinct Species of American Ox. By J. Leidy, M. D. Washington. 1852. Pamph.

The Annular Eclipse of May 26, 1854. Published under the Authority of Hon. James C. Dobbin, Secretary of the Navy, by the Smithsonian Institution and Nautical Almanac. 8vo pamph. Washington. 1854.

Edward Everett.

Extracts from the Letter-Press of the Astronomical Observations made at the Royal Observatory, Edinburgh, by the late Thomas Henderson. Vol. X. for 1844-47. 4to pamph. Edinburgh. John C. Warren, M. D.

Description of a Skeleton of the Mastodon giganteus of North America. 4to pamph. Boston.

Royal Society of London.

Proceedings. 12 numbers to complete Vols. III. and V. 1830– 50. Vol. VI. pp. 1 to 336, from December, 1850, to November 17, 1853. 8vo. London.

Philosophical Transactions for 1852 (Parts I. and II.), 1853 (Parts I. and II.). Vol. CXLIII. 4to. London.

Fellows of the Royal Society, November 30, 1852. 4to pamph. Catalogue of Stars near the Ecliptic, observed at Markree during the Years 1848-50, and whose Places are supposed to be hitherto unpublished. Vol. I. containing 14,888 Stars. Catalogue, &c. during the Years 1851 and 1852. Vol. II. containing 15,289 Stars. 2 vols. 8vo. Dublin. 1851 and 1853.

Astronomical, Magnetical, and Meteorological Observations made at the Royal Observatory, Greenwich, in the Year 1851. 1 vol. 4to. London. 1853.

Address of the Right Honorable the Earl Rosse, President, read at the Anniversary Meeting of the Royal Society, Tuesday, November 30, 1852. 8vo. London. 1853.

Astronomical Observations made by the Rev. Thomas Catton, B. D. Reduced and printed under the Superintendence of George Biddel Airy, Esq. 4to pamph. London. 1853.

Emmanuel Liais.

Mémoire sur la Substitution des Electromoteurs aux Machines à VOL. III.

18

Vapeur, et Description d'une Horloge Magneto-electrique. pamph. Paris. 1852.

8vo

Note sur les Observations faites à Cherbourg, pendant l'Eclipse du 28 Juillet, 1851. 8vo. Cherbourg. 1851.

Addition à un Mémoire, sur les Oscillations du Baromètre. 8vo. Cherbourg.

Professor C. B. Adams.

Catalogue of Shells collected at Panama, with Notes on their Synonymy, Station, and Geographical Distribution. 4to. New York. 1852.

Contributions to Conchology. No. II. Hints on the Geographical Distribution of Animals, with special Reference to the Mollusca. October, 1852.

Society of Sciences, Harlem.

Extrait du Programme de la Société Hollandaise des Sciences à Haarlem, pour l'Année 1852.

Historische en Letterkundige Verhandelingen van de Hollandsche Maatschappij der Wettenschappen te Haarlem. Erste Deel. 4to. Haarlem. 1851.

Natuurkundige Verhandelingen van de Hollandsche Maatschappij der Wettenschappen te Haarlem. 8 und 9 Deel. 4to. Haarlem. 1853 und 1854.

American Association for the Advancement of Science.

Proceedings. Sixth Meeting, held at Albany, N. Y., August, 1851. Published by the Liberality of the Citizens of Albany. 8vo. Washington. 1852.

Howard Stansbury, U. S. A.

Exploration and Survey of the Valley of the Great Salt Lake of Utah, including a Reconnoissance of a new Route through the Rocky Mountains. Printed by Order of the Senate of the United States. 8vo. Philadelphia. 1852. 2 vols. Plates.

A. A. Gould.

The History of New Ipswich, from its first Grant in 1736 to the present Time, with Genealogical Notices of the Principal Families, and also the Proceedings of the Centennial Celebration, September 11, 1850. By Dr. A. A. Gould. Boston. 8vo. 1 vol. Sir Roderick Impey Murchison, F. R. S.

On the Meaning of the Term "Silurian System" as adopted by Geologists in various Countries during the last Ten Years. From

the Quarterly Journal of the Geological Society of London for August, 1852. Vol. VIII. 8vo. London. 1852.

Jacob Bigelow, M. D.

Address to the Royal Geographical Society of London. Delivered at the Anniversary Meeting, May 24, 1852. By Sir R. I. Murchison. 8vo. London. 1852.

British Association for the Advancement of Science.

Report of the Twenty-first Meeting, held at Ipswich, July, 1851.

- Report of the Twenty-second Meeting, held at Belfast, September, 1852. 2 vols. 8vo. London. 1852 and 1853.

Académie des Sciences de l'Institut de France.

Mémoires. Tome XXIII. 1853.

Mémoires Présentés. Tome XIII.

1852.

Comptes Rendus. Tomes XXXII. XXXVIII. 1851 54.

Tome XXXIX. Nos. 1-7. 1854.

Imperial Academy of Sciences, Vienna.

Sitzungsberichte.

Math.-Natur. Classe. Bande VII. - IX. 1851 und 1852. 8vo. Wien. Band X. Heft 1, 4, 5. Band XI. Heft 1 - 4, bis November 4, 1853. 8vo pamph.

Phil.-Hist. Classe.

Bande VII. IX. 1851 und 1852. 8vo.

Wien. Band X. Heft 1, 4, 5. Band XI. Heft 1-3, bis October, 1853. 8vo pamph.

Almanach der K. Akad. der Wiss. zu Wien. 1 vol. 12mo. Die feierliche Sitzung der K. Akad. der Wiss. am 29 Mai, 1852. 8vo. Wien.

Verzeichniss der im Buchbandel befindlichen Druckschriften der K. Akad. der Wiss. zu Wien. 8vo. 1852.

Almanach der K. Akad. der Wiss. 12mo. Wien. 4ter Zahrgang. 1854.

Royal Society of Sciences, Göttingen.

Erste Sacularfeier der König. Gesell. der Wiss. zu Göttingen, am 29 November, 1851. 4to. 1852.

Nachrichten. 1851, Nr. 1 bis 19. 1852, Nr. 1 bis 14. 12mo. Göttingen.

Abhandlungen der K. Gesell. der Wiss. zu Göttingen. 5 Band. 1851 und '52. 4to. Göttingen. 1853.

Royal Prussian Academy.

Abhandlungen der Königl. Akad. der Wiss. zu Berlin. 185052. 4to. 3 vols. Berlin. 1851-53.

Monatsbericht.

Ausdem Jahre 1851 und 1852. 2 vols. 8vo.

1853, Januar - Juli. 7 Nos. 8vo.

Dr. J. G. Flugel.

Kritische Durchsicht der Von Dawidow verfassten Wörtersammlung aus der Sprache der Ainos. Von Dr. Aug. Pfizmaier. Wien. 8vo. 1851.

Kalender der Flora des Horizontes von Prag. entworfen nach zehnjährigen Vegetations-Beobachtungen von Karl Fritsch. 1852.

8vo.

Tafeln zur Reduction der in millimetern abgelesenen Barometerstande auf die Normaltemperatur von 0° Celsius, Berechnit von J. J. Pohl und J. Schabus. 8vo pamph. Wien. 1852.

Tafeln zur Vergleichung und Reduction der in Längenmassen abgelesenen Barometerstande. 8vo pamph. Wien. 1852. L. Lea, Esq., and G. W. Manypenny.

Historical and Statistical Information respecting the History, Condition, and Prospects of the Indian Tribes of the United States. Collected and prepared under the Direction of the Bureau of Indian Affairs, by Act of Congress of March 3, 1847. By Henry R. Schoolcraft, LL. D. Illustrated by S. Eastman, Captain in the United States Army. Parts II. and III. 4to. 1852 and 1853.

Charles T. Jackson, M. D.

Philadelphia.

Congressional Report of Hon. Edward Stanley of North Carolina and Hon. Alexander Evans of Maryland, on the Ether Discovery. Thirty-second Congress, First Session, 1852. Printed by Authority of the Minority of the Committee.

Academia Natura Curiosorum.

Verhandlungen der Kaisersl. Leopold. Carol. Akad. der Naturforscher. Band XXIII. Pars II. 1852. Band XXII. Supplement. 1852. Band XXIV. Pars I. 1854. 4to. Breslau und Bonn.

Vorwort zum Vierundzwanzigsten Bande der Verhandlungen der K. L. C. Akad. Besondere Ausgabe. 4to. Breslau und Bonn. 1853.

Royal Danish Academy.

Oversight over det Kgl. Danske Videnskabernes Selskabs Forhandlingen. 1849-51. 8vo. 3 vols. Kjobenhavn.

Skrifter 5 Række. Natur. og Math. Afdeling. 2 und 3° Bind. 4to. 1851-53. Kjobenhavn.