Chapter

 1 I     |        cranium. “Not a cloud on the horizon! and that too at such a
 2 IV    |   perpendicular to the plane of the horizon; and the projectile will
 3 VI    |          the moon attains above the horizon, the letter of the Cambridge
 4 XI    | perpendicularly to the plane of the horizon, that is to say, toward
 5 XIII  |         just came in sight upon the horizon; they rode violently backward
 6 XV    |            beyond the limits of the horizon, might have believed that
 7 XVIII |       signaled a thick smoke on the horizon. Two hours later a large
 8 XXIV  |       follow the stars from the one horizon to the other during their
 9 XXVI  |             The moon rose above the horizon. Millions of hurrahs hailed
10 XXVI  |           halfway point between the horizon and the zenith. A terrible
11 XXVII |         pyroxyle!~On the morrow the horizon was covered with clouds—
12 XXVIII|            post at Long’s Peak; his horizon, the mirror of that immense
13 XXVIII|             the moon rose above the horizon, he immediately caught her
14 VI    |         moon, to see it rise on the horizon, to recognize the shape
15 X     |      pointed perpendicularly to the horizon, would have framed the moon
16 XII   |  Eratosthenes disappeared under the horizon without the projectile being
17 XIII  |          not pass the limits of the horizon in the polar regions; thus,
18 XIV   |        fifteen days sinks below the horizon, see a splendid orb rise
19 XIV   |            orb rise on the opposite horizon. It is the earth, which
20 XV    |       suddenly, on the limit of the horizon formed by the black disc.
21 XV    |         disappeared behind the dark horizon; but the verification of
22 XVIII |          shed so curiously over the horizon.~What was this radiant glory?
23 XX    |         beginning to rise above the horizon.~After the departure of