E. S. T. _We fully agree in the propriety of the suggestion so kindly made by our correspondent, and should be glad to see it carried out--but we fear it is quite impracticable._ _Copies of our_ Prospectus, _according to the suggestion of_ T. E. H., _will be forwarded to any correspondent willing to assist us by circulating them._ VOLS. I., II., _and_ III., _with very copious Indices, may still be had, price 9s. 6d. each, neatly bound in cloth._ NOTES AND QUERIES _is published at noon on Friday, so that our country Subscribers may receive it on Saturday. The subscription for the Stamped Edition is 10s. 2d. for Six Months, which may be paid by Post-office Order drawn in favour of our Publisher,_ MR. GEORGE BELL, 186. Fleet Street; _to whose care all communications for the Editor should be addressed._ SOCIETY OF ARTS, ADELPHI, LONDON.--PHILOSOPHICAL TREATISES on the various Departments of the GREAT EXHIBITION, which shall set forth the peculiar Advantages to be derived from each by the Arts, Manufactures, and Commerce of the Country. The Council offer, in the name of the Society, the large MEDAL and 25_l._ for the best, and the Society's small Medal and 10_l._ for the second best, Treatise on the Objects exhibited in the Section of Raw Materials and Produce. A large Medal and 25_l._ for the best, and a small Medal and 10_l._ for the second best, Treatise on the Objects exhibited in the Section of Machinery. A large Medal and 25_l._ for the best, and a small Medal and 10_l._ for the second best, Treatise on the Objects exhibited in the Section of Manufactures. A large Medal and 25_l._ for the best, and a small Medal and 10_l._ for the second best, Treatise on the Objects exhibited in the Section of Fine Arts. Each Treatise must occupy, as nearly as possible, eighty pages of the size of the Bridgwater Treatises. 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. THE PRIMÆVAL ANTIQUITIES OF ENGLAND ILLUSTRATED BY THOSE OF DENMARK. THE PRIMÆVAL ANTIQUITIES OF DENMARK.