APPLETONS'

AMERICAN CYCLOPÆDIA.

NEW REVISED EDITION.

Entirely rewritten by the ablest writers on every subject. Printed from new type, and illustrated with Several Thousand Engravings and Maps.

The work originally published under the title of THE NEW AMERICAN CYCLOPEDIA was completed in 1863, since which time the wide circulation which it has attained in all parts of the United States, and the signal developments which have taken place in every branch of science, literature, and art, have induced the editors and publishers to submit it to an exact and thorough revision, and to issue a new edition entitled THE AMERICAN CYCLOPEDIA.

Within the last ten years the progress of discovery in every department of knowledge has made a new work of reference an imperative want.

The movement of political affairs has kept pace with the discoveries of science, and their fruitful application to the industrial and useful arts and the convenience and refinement of social life. Great wars and consequent revolutions have occurred, involving national changes of peculiar moment. The civil war of our own country, which was at its height when the last volume of the old work appeared, has happily been ended, and a new course of commercial and industrial activity has been commenced.

Large accessions to our geographical knowledge have been made by the indefatigable explorers of Africa.

The great political revolutions of the last decade, with the natural result of the lapse of time, have brought into public view a multitude of new men, whose names are in every one's mouth, and of whose lives every one is curious to know the particulars. Great battles have been fought, and important sieges maintained, of which the details are as yet preserved only in the newspapers, or in the transient publications of the day, but which ought now to take their place in permanent aud authentic history.

In preparing the present edition for the press, it has accordingly been the aim of the editors to bring down the information to the latest possible dates, and to furnish an accurate account of the most recent discoveries in science, of every fresh production in literature, and the newest inventions in the practical arts, as well as to give a succinct and original record of the progress of political and historical events.

The work has been begun after long and careful preliminary labor, and with the most ample resources for carrying it on to a successful termination.

None of the original stereotype plates have been used, but every page has been printed on new type, forming in fact a new Cyclopædia, with the same plan and compass as its predecessor, but with a far greater pecuniary expenditure, and with such improvements in its composition as have been suggested by longer experience and enlarged knowledge.

The illustrations, which are introduced for the first time in the present edition, have been added not for the sake of pictorial effect, but to give greater lucidity and force to the explanations in the text. They embrace all branches of science and of natural history, and depict the most famous and remarkable features of scenery, architecture, and art, as well as the various processes of mechanics and manufactures. Although intended for instruction rather than embellishment, no pains have been spared to insure their artistic excellence; the cost of their execution is enormous, and it is believed that they will find a welcome reception as an admirable feature of the Cyclopædia, and worthy of its high character.

This work is sold to subscribers only, payable on delivery of each volume. It will be completed in sixteen large octavo volumes, cach containing about 800 pages, fully illustrated with several thousand Wood Engravings, and with numerous colored Lithographic Maps.

PRICE AND STYLE OF BINDING.

In extra cloth, per vol.

In library leather, per vol.

In half turkey morocco, per vol.

Fourteen volumes now ready.

once in three months.

Succeeding volumes, until completion, will be issued

*** Specimen pages of the AMERICAN CYCLOPÆDIA, showing type, illustrations, etc., will be sent gratis, on application.

D. APPLETON & CO., PUBLISHERS,

549 & 551 Broadway, New York.

THE POPULAR SCIENCE MONTHLY.

E.

CONDUCTED BY

L. YOUMANS.

This periodical was started (in 1872) to promote the diffusion of valuable scientific knowledge, in a readable and attractable form, among all classes of the community, and has thus far met a want supplied by no

other magazine in the United States.

Eight volumes have now appeared, which are filled with instructive and interesting articles and abstracts of articles, original, selected, translated, and illustrated, from the pens of the leading scientific men of different countries. Accounts of important scientific discoveries, the application of science to the practical arts, and the latest views put forth concerning natural phenomena, have been given by savants of the highest authority. Prominent attention has been also devoted to those various sciences which belp to a better understanding of the nature of man, to the bearings of science upon the questions of society and government, to scientific education, and to the conflicts which spring from the progressive nature of scientific knowledge.

THE POPULAR SCIENCE MONTHLY has long since ceased to be an experiment. It has passed into a circulation far beyond the most sanguine hopes at first entertained, and the cordial and intelligent approval which it has everywhere met, shows that its close and instructive discussions have been well appreciated by the reading portion of the American people. It has not been its policy to make boastful promises of great things to be done in the future, but rather to appeal to what it has already accomplished as giving it a claim upon popular patronage. But no pains will be spared to improve it and make it still more worthy of liberal support, and still more a necessity to the cultivated classes of the country.

The following quotations illustrate the way it has been habitually spoken of by the press:

"That there is a place for THE POPULAR SCIENCE MONTHLY, no one can doubt who has watched the steady increase of interest in scientific investigation manifested in this country, not only by a select class, but by the entire community."-New York Times.

"We think it is not too much to say that this is the best first number of any magazine ever published in America."-New York World.

"A journal which promises to be of eminent value to the cause of popular education in this country."-New York Tribune.

"It is, beyond comparison, the best attempt at journalism of the kind ever made in this country." -Home Journal.

"It is just what is wanted by the curious and progressive mind of this country, and ought to be widely circulated."-New York Evening Post.

"It is the first successful attempt in this country to popularize science in the pages of a monthly."N. Y. School Journal.

"THE MONTHLY has more than fulfilled all the promises which the publishers made in the prospectus of publication."-Niagara Falls Gazette.

"This is a highly-auspicious beginning of a use. ful and much-needed enterprise in the way of publication, for which the public owe a special debt of obligation to Messrs. D. Appleton & Co."-Boston Gazette.

This new magazine, in our estimation, has more merit than the whole brood which have preceded It."-Oswego Press.

"In our opinion, the right idea has been happily hit in the plan of this new monthly."—Buffalo Courier.

"This is one of the very best periodicals of its kind published in the world. Its corps of contributors comprise many of the ablest minds known to science and literature. It is doing a great and noble work in popularizing science, promoting the growth of reason, and leveling the battlements of old superstitions reared in the childhood of our race before it was capable of reasoning."-The American Medical Journal, St. Louis, Mo.

"This magazine is worth its weight in gold, for its service in educating the people."-The American Journal of Education, St. Louis, Mo.

THE POPULAR SCIENCE MONTHLY is published in a large octavo, handsomely printed on clear type, and, when the subjects admit, fully illustrated. Each number contains 128 pages.

Terms: $5 per Annum, or Fifty Cents per Number.

POSTAGE FREE TO ALL SUBSCRIBERS IN THE UNITED STATES, FROM JANUARY 1, 1875.

A new volume of the POPULAR SCIENCE begins with the numbers for May and November each year. Subscriptions may commence from any date. Back numbers supplied.

Now Ready, Vols. I., II., III., IV., V., VI., VII., and VIII., of The Popular Science Monthly, embracing the Numbers from 1 to 48 (May, 1872, to April, 1876). 8 vols., 8vo. Cloth, $3.50 per vol. Half Morocco, $6.50 per vol.

For Sale, Binding Cases for Vols. I., II., III., IV., V., VI., VII., and VIII., of The Popular Science Monthly. These covers are prepared expressly for binding the volumes of THE POPULAR SCIENCE MONTHLY as they appear, and will be sent to Subscribers on receipt of price. Any binder can attach the covers at a trifling expense. Price, 50 cents each.

AGENTS WANTED.

ADDRESS

D. APPLETON & CO., Publishers,

549 & 551 Broadway, New York.