Harvard College Observatory,
Cambridge, U. S. March 16th 1896.
I have the honor to gratefully acknowledge the following work presented to the Library of the Harvard College Observatory:—
Transactions, for the year 1895, including sixth annual report.
Please accept my sincere thanks for this mark of your consideration, and believe me,
Very respectfully yours,
Edward C. Pickering, Director.
To the secretary of the
Astronomical & Physical Society of Toronto.