The Society will also award its large Medal and 25 guineas for the best General Treatise upon the Exhibition, treated Commercially, Politically, and Statistically; and small Medals for the best Treatises on any Special Object or Class of Objects exhibited. The successful Treatises are to be the Property of the Society; and should the Council see fit, they will cause the same to be printed and published, awarding to the author the net amount of any profit which may arise from the publication after the payment of the expenses. The Competing Treatises are to be written on foolscap paper, signed with a motto in the usual manner, and delivered at the Society's House on or before the THIRTIETH OF NOVEMBER, 1851, addressed to George Grove, Esq., Secretary, from whom additional particulars may be learned. By order of the Council, GEORGE GROVE, Sec. Adelphi, June 1. 1851. ANGLO-SAXON BOOKS CHEAP.--BOSWORTH'S Dictionary, first edition, with the Preface, 1838, royal 8vo., cloth, 42_s._--The same, second edition, 8vo., 1849, cloth, 10_s._--Rask's Grammar, 8vo. Copenhagen, 1830, sd. 8_s._--Thorpe Analecta Anglo-Saxonica, a Selection in Prose and Verse, with a Glossary, 8vo., second edition, 1846, cloth, 7s. 6d. Lye's Anglo-Saxon and Gothic Lexicon, 1773. 2 vols. folio, calf gilt, fine copy. 3_l._ 5_s._--Richthofen's Alt-Friesisches Wörterbuch, stout 4to. Goett. 1840, sd. 6_s._ 6_d._ Catalogues of Books in all the Dialects of Europe Gratis. BERNARD QUARITCH, Second-hand Bookseller, 16. Castle Street, Leicester Square. FOREIGN BOOKS AT REDUCED PRICES, FOR A LIMITED NUMBER OF COPIES. I. RADICES LINGUÆ SANSCRITÆ. By W. L. WESTERGAARD. Imp. 8vo. double volume. (Published at 34_s._) For 15_s._ II. GESENIUS.--SCRIPTURÆ LINGUÆQUE PHOENICIÆ MONUMENTA. Add. de Scriptura et Lingua Phoenicum. 3 vols. 4to. boards, 48 engraved Plates. (Published at 2_l._ 14_s._) For 16_s._ III. SAMACHSCHARII LEXICON ARABICUM-PERSICUM: with an Arabic Index. Edited by J.G. WETZSTEIN 4to. boards. For 1_l._ 7_s._ IV. DIEFFENBACH.--LEXICON COMPARATIVUM LINGUARUM INDO-GERMANICARUM.--VERGLEICHENDES WOERTERBUCH DER GERMANISCHEN SPRACHEN. 2 vols. 8vo. (Published at 36_s._) For 25_s._ V. FLUEGEL'S OWN GERMAN and ENGLISH DICTIONARY. The Third genuine German Edition containing 40,000 words more than the London edition. 2 very thick vols. royal 8vo. cloth boards, lettered. (Published in Germany at 2_l._ 5_s._) For 1_l._ 11_s._ 6_d._ VI. NIBELUNGEN-NOT. Translated into Modern German by PFIZER. Illustrated with many Hundred Woodcuts by SCHNORR and NEUREUTHER. (Published at 21_s._) For 15_s._ VII. SCHAFFARICK.--SLAWISCHE ALTERTHÜMER. Herausg. v. WUTTKE, 2 vols. 8vo. (Published at 26_s._) For 15_s._ 6_d._ VIII. GRIMM (JAC.)--DEUTSCHE GRAMMATIK. 4 vols. 8vo. half-bound, very rare. 1822--37. 2_l._ 15_s._ [Star symbol] All Grimm's other Works are on hand. IX.