Algæ. Mr. EDGAR J. WRIGHT presented a collection of plants obtained on the Eclipse Expedition in South Africa and Ascension Island. Mrs. R. R. MEREDITH presented a large Rubber plant (Ficus elastica).

The Department of Chemistry was organized in November, 1888, with twenty-seven members. The present membership is two hundred and seven, a gain of eight during the last season. The regular meetings are held on the fourth Friday of each month, and during the past year have been as follows:

Oct. 28.-Lecture by Mr. HENRY T. Weed, B.Sc., Secretary of the Department, on "The Manufacture of Iron and Steel," illustrated by specimens of iron ores, samples of iron and steel, and by lantern photographs.

Nov. 25.-Lecture by Mr. H. F. BROWN, Chemist of the Newport U. S. Naval Torpedo Station, Newport, R. I., on "The Chemistry of Torpedo Explosives," illustrated by lantern photographs and charts.

Dec. 23.-Lecture by J. A. MATHEWS, PH.D., F.C.S., of Columbia University, on "Metallic Carbides and the Carbide Industries," illustrated by lantern photographs of electric furnaces, by generators, by experiments with the carbides and by examples of carbides.

Feb. 24.-Lecture by Prof. MARSTON T. Bogert, Ph.D., of Columbia University, on "Synthetic Perfumes," illustrated by experimental demonstrations of syntheses.

Mar. 24.-Lecture by Mr. DUNCAN W. TAYLOR, chemist of Messrs. Colgate & Co., on "Glycerines," illustrated by samples of various forms of glycerine, and by lantern photographs of apparatus used in preparing glycerines.

Apr. 28.-Lecture by Mr. HENRY T. WEED, B.Sc., of the Manual Training High School, on "The Metallurgy of Zinc," illustrated by experimental demonstrations, by specimens and by lantern photographs.

The collections of chemicals and chemical apparatus belonging to the Department have been placed, in part, in the new Museum on Prospect Heights, together with its library of upwards of five hundred volumes of works of reference.

This Department was organized on November 13, 1893, with a membership of forty-two. The present membership. is one hundred and fifty-four, a gain of five during the past year. The purpose of the Department is the study of practical problems in Domestic Science. Standing Commit tees have been appointed on the following subjects:

1. The Sanitary and Economic Construction of Dwellings. 2. The General Principles of House Furnishing.

3. Hygiene.

4. The Composition and Value of Foods.
5. Cooking and Transformation of Foods.
6. Labor Saving Methods and Utensils.
7. Sanitation and Economy in Clothing.
8. Domestic Service.

I. The Lectures were given under the joint auspices of the Pratt Institute and the Brooklyn Institute, in the Assembly Hall of Pratt Institute, on the second Wednesday of each month, and during the past season were as follows:

Oct. 12.-Lecture by Mr. RUDOLPHE L. DAUS, Architect, of Brooklyn, on "The Sanitary, Economic and Artistic Construction of Dwellings," illustrated by lantern photographs.

Nov. 10 (Thursday).—Lecture by Miss MARY E. WARE, of Boston, on "The Art of House Furnishing," illustrated by lantern photographs.

Dec. 8 (Thursday).-Lecture by Miss LOUISE BOTH-HENDRIKSEN, on " Art in House Furnishing," illustrated by lantern photographs.

Jan. 11.-Lecture by Mrs. LOUISE E. HOGAN, of Philadelphia, on "The General Principles of Housekeeping."

Feb. 8.-Lecture by Miss ANNA BARROWS, of Boston, Editor of the American Kitchen Magazine, on "Labor Saving Methods and Utensils in the Household," illustrated by examples of utensils.

Mar. 17 (Friday).-Joint meeting of the Department with the New York Household Economic Association. Lecture by Mrs. S. S. WOOLMAN, of Teachers' College, Columbia University, on "Fibres and Fabrics: Connecting them with Dress and Healthful Conditions." This lecture was held at the New York Industrial Building, Lexington avenue and Forty-third street, New York City.

II. Conferences were held on the fourth Wednesday afternoon of each month, supplementary to the lectures, as follows:

Nov. 23.-Conference on "The General Principles of House Furnishing." Paper by Miss LOUISE BOTH-HEN

DRIKSEN.

Jan. 25.-Conference, conducted by Mrs. JOHN Kendall DUNN, President of the Department. Paper by Mrs. DUNN, on "The Boston School of Housekeeping." Paper by Miss CAROLINE B. WEEKS, of the Pratt Institute, on "The Work of Dr. DEWEY in Chicago."

Feb. 15.-Conference on "Labor Saving Methods and Utensils," conducted by Miss ELIZABETH REEVE.

Mar. 22.-Conference on "The Composition and Value of Foods," conducted by Mrs. MARY D. CHAMBERS, of the Pratt Institute, Chairman.

Apr. 26.-Conference on "Domestic Service," conducted by Mrs. C. C. KNOWLTON, Chairman. Speakers: Mrs. WILLIAM G. SHAILER, of New York; Miss EMMA O. CONRO, and Mrs. JOHN KENDALL DUNN, of Brooklyn. Annual Meeting of the Department.

May 24.-Conference on "Sanitary and Economic Clothing," conducted by Dr. MARY D. INGRAM, Chairman,

Committee on Electrical Measurements and Standards.

Prof. SAMUEL SHELDON, PH.D.
WILLIAM S. BARSTOW, B.A.

Prof. WILLIAM W. SHARE, PH.D.

J. P. WINTRINGHAM.

Prof. Wм. C. PECKHAM, M.A.

Prof. JOHN S. MCKAY, PH. D.
F. V. HENSHAW.

HENRY T. WEED, B.SC.

Committee on Laboratory and Apparatus.

This Department was organized on March 21, 1890, with one hundred and thirty members. The present membership is two hundred and seventy-four. The lectures and meetings of the Department, held on the first Friday evening of each month during the season, have been as follows:

Nov. 4.-Lecture by Mr. T. COMERFORD MARTIN, Electrical Engineer, of New York, on "Electric Power Transmission," illustrated by lantern photographs.