TO

WARREN DE LA RUE , ESQ.

D.C.L., F.R.S., F.R.A.S., &o.

IN RECOGNITION OF THOSE IMPORTANT ADDITIONS TO OUR KNOWLEDGEOF THE CELESTIAL BODIES,

AND ESPECIALLY OF THE SUN AND MOON,

WHICH HAVE RESULTED FROM HIS PHOTOGRAPHIC AND OTHERSCIENTIFIC RESEARCHES,

®jjis Mork is Kspfrifttlljr gtbitaftb

THE

AUTHOR.