The Mastery of Languages; OR THE ART OF SPEAKING LANGUAGES IDIOMATICALLY. BY THOMAS PRENDERGAST. _I. Hand-Book of The Mastery Series. II. The Mastery Series. French. III. The Mastery Series. German. IV. The Mastery Series. Spanish._ PRICE 50 CENTS EACH. _From Professor E.M. Gallaudet, of the National Deaf Mute College._ "The results which crowned the labor of the first week were so astonishing that he fears to detail them fully lest doubts should be raised as to his credibility. But this much he does not hesitate to claim, that, after a study of less than two weeks, he was able to sustain conversation in the newly-acquired language on a great variety of subjects." FROM THE ENGLISH PRESS. "The principle may be explained in a line--it is first learning the language, and then studying the grammar, and then learning (or trying to learn) the language."--_Morning Star_. "We know that there are some who have given Mr. Prendergast's plan a trial, and discovered that in a few weeks its results had surpassed all their expectations."--_Record_. "A week's patient trial of the French Manual has convinced that the method is sound."--_Papers for the Schoolmaster_. "The simplicity and naturalness of the system are obvious."--_Herald_ (Birmingham.) "We know of no other plan which will infallibly lead to the result in a reasonable time."--_Norfolk News_. FROM THE AMERICAN PRESS. "The system is as near as can be to the one in which a child learns to talk."--_Troy Whig_. "We would advise all who are about to begin the study of languages to give it a trial."--_Rochester Democrat_. "For European travellers this volume is invaluable."--_Worcester Spy_. Either of the above volumes sent by mail free to any part of the United States on receipt of price. D. APPLETON & CO., Publishers, 90, 92, and 94 Grand Street, New-York. * * * * * RED AS A ROSE IS SHE. _Third Edition._ D. APPLETON & CO., 90, 92, and 94 Grand Street, Have now ready the Third Edition of RED AS A ROSE IS SHE. By the Author of "Cometh up as a Flower." 1 vol. 8vo. Paper Covers, 60 cents. From the New-York _Evening Express_. "This is truly a charming novel; for half its contents breathe the very odor of the flower it takes as its title." From the Philadelphia _Inquirer_. "The author can and does write well; the descriptions of scenery are particularly effective, always graphic, and never overstrained." D.A. & Co. have just published: A SEARCH FOR WINTER SUNBEAMS IN THE RIVIERA, CORSICA, ALGIERS, AND SPAIN. By Hon. S.S. Cox. Illustrated. Price, $3. REPTILES AND BIRDS: A POPULAR ACCOUNT OF THEIR VARIOUS ORDERS, WITH A DESCRIPTION OF THE HABITS AND ECONOMY OF THE MOST INTERESTING. by Louis Figuier. Illustrated with 907 wood-cuts. 1 vol. 8vo, $6. HEREDITARY GENIUS: AN INQUIRY INTO ITS LAWS AND CONSEQUENCES. By Francis Galton. 1 vol. 8vo. $3.50. HAND-BOOK OF THE MASTERY SERIES OP LEARNING LANGUAGES.