United States Naval Observatory, Washington
NEW YORK
CHARLES SCRIBNER'S SONS
743 and 745 Broadway
1881
Copyright, 1880,
By CHARLES SCRIBNER'S SONS.
PRESS OF J. J. LITTLE & CO.,
NOS. 10 TO 20 ASTOR PLACE, NEW YORK.
TRANSCRIBER'S NOTES
Typographical errors noticed during the preparation of this text have been underlined like this. A list has also been placed [at the end.]
PREFACE.