198 [April, 



A discourse on the studies of the University of Cambridge. By Adam Sedg- 

 wick. 6th ed. 8vo. 



The British Coleoptera delineated. W. E. Schuckard, editor. 8vo. 



Popular treatises on Science, written during the middle ages, in Anglo-Saxon, 

 Anglo-Norman and English. By T. Wright. 8vo. 



An essay on Electricity. By the late George Adams. 5th ed. 8vo. 



Treatise on Falconry. By J. C. Belany. 8vo. 



Description of the Feroe islands.' By the Rev. J. Landt. Translated from the 

 Danish. 8vo. 



S. G. Gmelin's Reise durch Rusland zur Untersuchung der drey Natur-Reich. 

 4 vols. 4to. 



Sketches of Vesuvius. By John Auldjo, Esq. 8vo. 



Monographie des Cetoines et genres voisins. Par MM. Gory et Percheron. 

 8vo. 



The British Desmidieae. By J. Ralfs; the drawings by Edward Jenner. 8vo. 



Travels into the interior of Brazil in 1836 '41. By George Gardner, M. D. 

 2d ed. 8vo. 



De Noordsche Weereld, door S. De Vries. 4to. 



Minus cognitarum Stirpium ac etiam rariorum ix^pacsi^. Fabio Columnaautore. 

 4to. 



Meteorological observations and essays. By J. F. Daniell. 2d ed. 8vo. 



Natural history of the Lepidopterous insects of New South Wales. By J. W. 

 Lewin. 4to. 



History of the Royal Society of London, from its first rise. By Thomas Birch, 

 M. D. 4 vols. 4to. 



Getrue Abhildungen und naturhistorischer Beschreibung des Thierreichs aus 

 den nordlichen Provinzen Russlands, vorzeiglich I.iefland, Ehstland, und Kurland 

 betrelfend. Von Ernst W. Driimpelmann und W. C. Friebe. 2 vols. Folio. 



The Geology and fossils of the Tertiary and Cretaceous formations of Sussex. 

 By Frederick Dixon. 4to. 



An introduction to Zoology. By P. H. Gosse. 2 vols. 8vo. 



April 22d. 



The studies of the medical man ; an introductory address at the opening of the 

 session, 1850, '51, at St. George's Hospital. By E. Lankaster, M. D. From the 

 author. 



Addresses delivered in the Ipswich Museum, March 9th, 1848. By Rev. J. S. 

 Henslow. From Geo. Ransome, Esq. 



Observations on the Fauna of Norfolk, and more particularly on the district of 

 the Broads. By the Rev. Richard Lubbock. 8vo. From the same. 



Six lectures on Astronomy at the Temperance Hall, Ipswich, March, 1848. 

 By Geo. B. Airy. 8vo. From the same- 

 Notice of a species of Seal apparently new to the British Shores. By W. B. 

 Clarke, M. D. From the same. 



Proceedings of the Royal Irish Academy. Vol. 2. From Mr. Bell, of Dublin. 



A new Dictionary of the English Language. By Charles Richardson. 2 vols. 

 4to. Deposited by Mr. Samuel Povvel. 



A general dictionary, historical and critical, in which a new and accurate 

 translation of that of the celebrated ?^r. Bayle, with corrections and observations, 

 is included. 3 vols, folio, 1734. From Dr. J. C. Fisher. 



Annals of the Minesota Historical Society. 2d ed. 1850. From the same. 



Verhandlungen der Schweizerischen Naturforschenden Gesellschaft, 1847, '48, 

 '49, '50, '51. From the Society. 



Mittheilungen der Naturforschenden Gesellschaft in Bern aus dem Jahre, 1846. 

 From the same. 



Annals of the Lyceum of Nat. Hist, of New York. Vol. 5, No. 2. From the 

 Lyceum. 



Journal of the Franklin Institute, April, 1851. From Dr. AVilson. 



Mr. Edward Wilson presented the following, on the usual condition : 



