National Academy of Sciences.

The annual *stated session* of the NATIONAL ACADEMY OF SCIENCES will be held in Washington, D. C., beginning Tuesday, April 17, 1894, at 11 A. M.

The place of meeting will be at the National Museum.

The Council is requested to meet at half-past ten A. M.

A list of candidates nominated is enclosed herewith; also an envelope, in which the ballot for preference may be sealed, and enclosed in another envelope addressed to the Home Secretary. On the latter the name of the sender should be endorsed. The former envelope will be opened only by the tellers.

Members who intend to present communications are requested to send the titles to the Home Secretary before April 16, so that a programme may be printed.

The time required for the reading of a paper should be stated.

A. HALL,

Home Secretary.

2715 N St. N. W., WASHINGTON, D. C.,

March 17, 1894.

Subject: __________________________________________________

WAR DEPARTMENT,
SURGEON GENERAL'S OFFICE,
U. S. ARMY MEDICAL MUSEUM AND LIBRARY,
Corner 7th and B Streets S. W.,

Washington, D. C., ... November 30, ... 1894.

Dear Prof. Hall:

Please bear in mind that I now hold, subject to your call,
my paper on the Bacteria of River Waters accepted to be printed,
and when you are ready for it, let me know where and when I shall
send it.

Professor Asaph Hall,
2715 N St., N. W.,
Washington, D. C.

Dear Marsh:

NATIONAL ACADEMY OF SCIENCES.

A scientific session of the Academy will be held in New York, at the Columbia University, beginning November 17th, 1896, at 11 o'clock A. M.

Members who have papers for this meeting may send the titles to Dr. C. F. Chandler, Columbia University, New York City.

A special stated session of the Academy is called for Wednesday, November 18th, in New York, to consider the President's Annual Report to Congress, and other business that may come before the Academy.

BY DIRECTION OF THE COUNCIL:

A. HALL,
Home Secretary.

12 KIRKLAND PLACE,
CAMBRIDGE, MASS., Oct. 15th, 1896.