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The Edward C. Pickering Fellowship in Astronomy at the Harvard College Observatory is open to qualified students of Radcliffe College for graduate work in Astronomy. Further information may be obtained from the Director of the Harvard College Observatory.

HARVARD COLLEGE OBSERVATORY ANNOUNCEMENT CARD 952 New Comet.— Dr. J. S. Paraskevopoulos, superin- tendent of the Boyden Station of the Harvard College Observatory, Bloemfontein, South Africa, has cabled the discovery on the morning of November 7 of a bright comet in the following position: November 8, 1948 R.A. 134 27m Dec. —21° Magnitude 2 Description: bright nucleus; tail 20° A later telegram from Director Luis Enrique Erro, of the National Astrophysical Observatory, Tonan- zintla, Mexico, reports the comet observed by Luis Rivera and Lauro Herrera “following Gamma Hydrae, tail about ten degrees, nucleus brighter than Venus.”

HARVARD COLLEGE OBSERVATORY of comets. Professor Menzel derived new formulas for the rate of escape of atmospheres from the moon and planets and studied Lunar Orbiter photographs to infer properties of the lunar surface.

CONTRIBUTORS TO THIS ISSUE Bessie Zaban Jones is the author of a history of the Smithsonian Astrophysical Observatory, Lighthouse of the Skies (1965), and is coauthor of a history of the Harvard College Observatory, The Harvard College Observatory: The First Four Directorships, 1839-1919 (1971).

The Harvard Observatory. WOMEN'S WORK AT THE HARVARD OBSERVATORY. By Helen Leah Reed. ASTRONOMERS have always welcomed to their ranks, women of genius like Caroline Herschell, Mary Somerville, and Maria Mitchell ; and various European and American observatories have of late years employed not a few women computers.

Arequipa file August 8, 1925 TO WHOM 12 MAY OOfflCEBff. I, Hprlow Shapley, Director of Harvard College Observatory, do hereby certify that ER. JOHN S. PARASKEVOPOULOS Is in charge of the South American station of said Harvard College Observatory,, and that he is duly authorized to conduct a: scientific expedition to Chuejilcaniata, Chile, in behalf of said Observatory.

HARVARD COLLEGE OBSERVATORY, AREQUIPA STATION, AREQUIPA. PERU, S. A. l 830 July 27,1911.

Bart Jan Bok, Dr. Phil, Professor of Astronomy and Associate Director of the Harvard College Observatory. Leon Campbell, Instructor in Astronomy and Pickering Memorial Astronomer. . Donald Howard Menzel, Ph.D, Professor of Astrophysics, Chairman of the Department of Astronomy and Associate Director for Solar Research in the Harvard College Observatory.

Donald Howard Menzel, Ph.D., Professor of Astrophysics, Chairman of the Department of Astronomy and Associate Director for Solar Research in the Harvard College Observatory. John Stefanos Paraskevopoulos, D.Sc, Associate Professor of Astronomy and Superintendent of the Boyden Station of the Harvard College Observatory.

HARVARD COLLEGE OBSERVATORY AREQU1PA STATION AREQUIPA, PERU 2129. March 10, 1919. My dear Sir:- Harvard College Observatory Circular No. 213 is received.