I. LIGHT.
II. SPACE
III. OF THE INFINITELY MINUTE.
IV. THE MYSTERY OF GRAVITY.
V. THE END OF MANY WORLDS.
VI. THE AURORA BOREALIS.
VII. THE LUNAR HALO.
VIII. MOONLIGHT.
IX. THE PLANET MARS.
X. THE PLANET JUPITER.
XI THE RINGED PLANET SATURN.
XII. FANCIED FIGURES AMONG THE STARS.
XIII. TRANSITS OF VENUS.
