	FACING PAGE
[I.—Northern Constellations]	[124]
[II.—Equatorial Constellations]	[190]
[III.—Map of Mars]	[246]
[IV.—The Pleiades]	[344]
[Protractor]	[In pocket at back of book]

LIST OF FULL-PAGE ILLUSTRATIONS

	FACING PAGE
[A Total Solar Eclipse]	[Frontispiece]
[The Harvard College Observatory, Cambridge, Mass.]	[24]
[Isaac Newton]	[46]
[Galileo Galilei]	[52]
[The Lick Observatory, Mount Hamilton, Cal.]	[60]
[The Yerkes Observatory, Williams Bay, Wis.]	[100]
[The Moon, one day after First Quarter]	[150]
[William Herschel]	[234]
[Pierre Simon Laplace]	[364]

ASTRONOMY