=Cassell's Lessons in English=; By J. R. BEARD, D.D. In paper covers, 3s.; in cloth boards, 3s. 6d. This Manual is intended for the use of Self-educating Students. It contains a Practical Grammar, and includes an account of the _facts_ of the language, involving the laws of its construction, and the _productions_ of the language, historically treated; thus comprising its literature. It abounds with interesting and important explanations and illustrations, imparting a thorough knowledge of the language itself, the roots and derivations of English words, as well as those rules by which the language may be spoken and written grammatically. MATHEMATICS AND ARITHMETIC, &c. CASSELL'S EUCLID, FORTY-EIGHTH THOUSAND. =The Elements of Geometry=; or, The First Six Books, with the Eleventh and Twelfth, of EUCLID. Edited by Professor WALLACE, A.M., of the Glasgow University, and Collegiate Tutor of the University of London. Price 1s. stiff covers, or 1s. 6d. cloth. =The Self and Class Examiner in Euclid=: Containing the Enunciations of all the Propositions and Corollaries in Cassell's Edition. Price 4d., in a convenient size for the pocket. =Cassell's Elements of Arithmetic=; Being a Companion to Cassell's "Euclid." Edited by Professor WALLACE, A.M. Price 1s. stiff covers, or 1s. 6d. cloth. =Key to Cassell's Arithmetic=; containing Answers to all the Questions in the above Work. Price 4d., in a convenient size for the pocket. =Cassell's Elements of Algebra=; or, The Science of Quantity. Edited by Professor WALLACE, A.M. Price 1s. paper covers, or 1s. 6d. cloth. =Cassell's Arithmetic for the Young=: Including the Science of Numbers by Means of Familiar Objects; in a series of Easy Lessons, with Copious Directions for Teachers. Cloth, 1s. =The Child's Educator=; or, Familiar Lessons in nearly every branch of Education. Edited by JOHN CASSELL. Illustrated with several hundred Engravings. Cloth, 8s.; with gilt edges, 9s. =Cassell's Elementary Geography=, for the Use of Schools and Families. This volume is from the pen of J. G. GOODRICH, Esq., better known as the original "PETER PARLEY," Author of some of the most entertaining and popular Works that have ever been written for the use of children and youth. The style is simple and easy; the descriptions are full and compendious; and the maps and other illustrations, nearly _fifty_ in number, furnish the Pupil with an accurate idea of the position of the various countries, and the customs and manners of the inhabitants. One vol. 8vo, price 2s. 6d., neatly bound. CASSELL'S EDUCATIONAL COURSE. IN SIX VOLUMES, AS FOLLOWS:-- =Science Popularly Explained.= Cloth boards, lettered, price 3s. 6d.