=The Ball Room Preceptor= and Polka Guide. =Ball Room Polka=, with Music and Figures. SCIENTIFIC WORKS, ETC. =Lectures on the Great Exhibition=, and its Results on the Arts and Manufactures. Delivered before the Society of Arts, by some of the most EMINENT MEN of the day. In Two Series, price 7s. 6d. each, neatly bound in cloth. =Suggestions in Design=; including Original Compositions in all Styles, with Descriptive Notes for the use of Artists and Art Workmen, containing nearly 600 Hints for Workers in Metal, Wood, Ivory, Glass, and Leather, the Potter, Weaver, Printer in Colours, Engraver, Decorator, &c. By LUKE LIMNER. 4to, 16s. cloth. =Year-Book of Facts in Science and Art=; exhibiting the most important Discoveries and Improvements of the Year, and a Literary and Scientific Obituary. By JOHN TIMBS, F.S.A., Editor of "The Arcana of Science." Fcp. 8vo, 5s. cloth. *** This work is published annually, and contains a complete and condensed view of the progress of discovery during the year, systematically arranged, with Engravings illustrative of novelties in the Arts and Sciences, &c. The volumes, from its commencement in 1839, may still be had, 5s. each. "This book does for us what we have not done for ourselves--it stores up every useful bit of information to be found in the records of learned societies or announced through scientific and news journals."--_Globe._ "Ably and honestly compiled."--_Athenæum._ =The Literary and Scientific Register and Almanack= for 1859; with an ample Collection of Useful Statistical and Miscellaneous Tables. Dedicated, by special permission, to H.R.H. the Prince Consort. By J. W. G. GUTCH, M.R.C.S.L., F.L.S., late Foreign Service Queen's Messenger. Price 3s. 6d. roan tuck. "As perfect a compendium of useful knowledge in connection with Literature, Science, and the Arts, as it is necessary everybody should have acquaintance with. It is, in short, a little volume which will save the trouble of hunting through many books of more pretension, and supply off-hand what, without it, would require much time and trouble."--_Times._ DICTIONARIES. =Webster's Quarto Dictionary, unabridged=; containing all the Words in the English Language, with their Etymologies and Derivations. By NOAH WEBSTER, LL.D. Revised by Professor GOODRICH. With Pronouncing Vocabularies of Scripture, Classical, and Geographical Names. New Edition, carefully printed in a large 4to volume, 31s. 6d. cloth; 42s. calf. *** The only _complete work_. All the octavo editions are Abridgments. "All young persons should have a standard Dictionary at their elbow; and while you are about it, get the best: that Dictionary is Noah Webster's, the great work unabridged. If you are too poor, save the amount from off your back, to put it into your head." "We can have no hesitation in giving it as our opinion, that this is the most elaborate and successful undertaking of the kind which has ever appeared."--_Times._