"The design of the author--that of furnishing a valuable collection of rules and theorems for the use of such as are unable, from the want of time and previous preparation, to investigate mathematical principles--appears to have been very successfully attained in the present volume. The information which it affords in various branches of the pure and mixed Mathematics embraces a great variety of subjects, is arranged conveniently, and is in general conveyed in accurate and concise terms. To THE ENGINEER, THE ARCHITECT, THE MECHANIC--indeed to all for whom results are chiefly necessary--the work will doubtless form a very valuable acquisition." In One Volume, 12mo. _BOLMAR'S LEVIZAC._ A THEORETICAL AND PRACTICAL GRAMMAR OF THE FRENCH LANGUAGE; IN WHICH THE PRESENT USAGE IS DISPLAYED AGREEABLY TO THE DECISIONS OF THE FRENCH ACADEMY. BY M. DE LEVIZAC. With numerous corrections and improvements, and with the addition of a complete treatise on the _Genders of French Nouns_; as also with the addition of all the French Verbs, both regular and irregular, conjugated affirmatively, negatively, and interrogatively. BY A. BOLMAR, Author of "KEY TO TELEMAQUE," "PHRASES," &c. &c. In One Volume, 8vo. _TEALE ON NEURALGIC DISEASES._ A TREATISE ON NEURALGIC DISEASES, DEPENDENT UPON IRRITATION OF THE SPINAL MARROW AND GANGLIA OF THE SYMPATHETIC NERVE. BY THOMAS PRIDGIN TEALE, _Member of the Royal College of Surgeons in London, of the Royal Medical Society of Edinburg, Senior Surgeon to the Leeds Public Dispensary._ "It is a source of genuine gratification to meet with a work of this character, when it is so often our lot to be obliged to labour hard to winnow a few grains of information from the great mass of dullness, ignorance, and mistatement with which we are beset, and cannot too highly recommend it to the attention of the profession."--_American Journal of the Medical Sciences, No. X._ In One Volume, 12mo. FORMULARY FOR THE PREPARATION AND EMPLOYMENT OF SEVERAL NEW REMEDIES. TRANSLATED FROM THE FRENCH OF M. MAGENDIE. With an Appendix containing the experience of the British Practitioners, with many of the new remedies. BY JOSEPH HOULTON, M.D. In One Volume, 8vo.