JUST RECEIVED.

THE PROTOPLASMIC THEORY OF LIFE.

By JOHN DRYSDALE, M.D. (Edinburgh), F.R.M.S.,

One of the Editors of Fletcher's "Pathology;" Author of " Physiological Action of Kali Bichromicum," and of "Life and the Equivalence of Force;" co-Author of "Health and Comfort in HouseBuilding." London. Pp. 288. Crown 8vo, cloth. Price, $2.50.

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C. T. J. & SONS beg to announce that they are in a position TO SUPPLY THE AMERICAN TRADE with SECOND-HAND BOOKS at the SHORTEST NOTICE, constant communication with the United States giving them every facility for a prompt delivery.

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New Catalogue (No. 72), just out, contains upward of 400 works devoted to Natural History.

Special attention paid to miscellaneous orders by mail.

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NELSON & PHILLIPS,

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We would call the attention of the Trade to our Complete List of Methodist Hymns, ranging in price from 65c. to $8.50. We have also a superior lot of Books for Reading, both at home and in the Sunday-school. These books have been carefully read and approved by competent judges.

WE HAVE LATELY ISSUED:

The Revised Compendium of Methodism.

Embracing the History and Present Condition of its Various Branches in All Countries. By Rev. JAMES PORTER, D.D. 12mo. $1.75.

Gems of India ;

Or, Sketches of Distinguished Hindoo and Mahomedan Women. By Mrs. E. J. HUMPHREY. 4 illustrations. 12mo. $1.25.

Preaching to the Masses:

An address. By Rev. T. DEWITT TALMAGE, D.D. Delivered at the Drew Theological Seminary, Madison, N. J., March 3, 1875. Paper. 12mo. 20C.

The Lesser Hymnal.

A Collection of Hymns, Selected Chiefly from the Standard Hymn-Book of the Methodist Episcopal Church. 18mo. Flexible cloth. 45c.; stiff cloth, 50c.

All for Christ;

Or, How the Christian may Obtain, by a Renewed Consecration of his Heart, the Fullness of Joy Referred to by the Saviour just Previous to His Crucifixion. With illustrations from the lives of those who have made this consecration. By THOMAS CARTER, D.D. 16mo. 75c.

Home Story Series, No. 2.

By Augusta LARNED. Illustrated. 3 vols. in a box. 12mo. $4.

VACATION STORIES.

STORIES FOR LITTLE PEOPLE.

STORIES FOR THE FIRESIDE.

Outline of Church History.

By JOHN F. HURST, D.D. Illustrated with maps. 12mo. Flexible cloth. 50c.

Glaucia:

A Story of Athens in the First Century. By EMMA LESLIE, author of "Daybreak in Italy," 'Constancia's Household," etc. 3 illustrations. 12mo. $1.25.

Flavia ;

Or, Loyal unto the End. A Tale of the Church in the Second Century. By Emma Leslie. $1.50.

Quadratus:

A Tale of the World in the Church. By EMma Leslie.

Arctic Heroes:

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Facts and Incidents of Arctic Explorations, from the Earliest Voyages to the Discoveries of Sir John Franklin; embracing Sketches of Commercial and Religious Results. By Rev. Z. A. MUDGE. Illustrated. 12mo. $1.25.

COMMENCING IN NEW-YORK, JULY 19th,

In addition to his entire list of School, Church, and Miscellaneous Books, his Patent

Self-Fitting and Self-Fastening Book-Cover.

These Covers are conceded to be superior to all others, by those who have used them. Special prices and local agencies will be given on sufficient orders. Also Taylor's Superior Writing and Copying Fluids; Taylor's Black, Blue, Violet, and Carmine Inks; Taylor's Express, Office, and Bankers' Sealing-Wax; Taylor's Marble Blackboard Slating. Orders from the trade are respectfully solicited..

MARTIN TAYLOR, 263 Main Street, Buffalo.

JOHN WILEY & SON, 15 Astor Place, New-York,

1. Elements of Graphical Statics, and their Application to Framed Structures, etc. Cranes; Bridge, Roof, and Suspension Trusses; Braced and Stone Arches; Pivot and Draw Spans; Continuous Girders, etc. By A. JAY DU Bois, C.E., Ph.D. 2 vols. 8vo. 1 vol. text and 1 vol. plates. 2. A Hand-Book for Bridge Engineers. By C. HERSCHEL. In 3 vols. Each vol. complete in itself Vol. I.-Straight and Beam Bridges. Vol. II.-Suspension and Arched Bridges. Vol. III.-Stone Bridges; Bridge Piers and their Foundations.

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ALSO NEARLY READY:

1. Fresenius' Qualitative Chemical Analysis. Translated into the New System, and newly edited by Prof. S. W. JOHNSON. With additional cuts. I vol. 8vo. $4.50. (Ready by July 20.)

2. Warren, Prof. S. Edward. Stereotomy, or Stone-Cutting. 1 vol. 8vo. Plates. 3. Miller's Organic Chemistry. 1 vol. 8vo.

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UNITED STATES OFFICIAL

POSTAL GUIDE.

REVISED AND PUBLISHED QUARTERLY BY AUTHORITY OF THE POST-OFFICE DEPARTMENT.

NO. 4, FOR JULY, NOW READY,

CONTAINS:

The New Rates of Postage to Foreign Countries, under the Postal Union going into effect July 1.

A List of Post-Offices established, discontinued, and names changed during the past year. Important Circulars relating to details under the new law affecting periodicals and third-class

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Late Rulings of the Post-Office Department, and the usual lists of Post-Offices, Money-Order and Letter-Carrier Offices, Rates of Postage, Distances by shortest mail routes, etc., etc.

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POST-OFFICE Department, WASHINGTON, D. C., September 29, 1874.

The United States Official Postal Guide, published by Messrs. H. O. Houghton & Co., is compiled and published under a contract made with them by the Postmaster-General, in pursuance of an Act of Congress approved June 23, 1874, and is the only publication of the kind so authorized. MARSHALL JEWELL, Postmaster-General.

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Time of Sailing of Mail Steamers.

Distances by shortest mail routes between the principal cities.
Rulings of the Post-Office Department during the last quarter.

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IN PRESS.

FOUR THOUSAND MILES

AFRICAN TRAVEL.

A PERSONAL RECORD

Of a Journey up the Nile, through the Soudan, to the confines of Central Africa, embracing an Examination of the Slave Trade, and a discussion of the problem of the Sources of the Nile.

This volume will describe the Social and Political condition of Egypt, Adventures of Nile Travel, Life on the Desert, Journeys in Central Africa, besides Industrial and Agricultural Enterprises in the Soudan and Abyssinia.