Chapter

 1 VIII |    laying-down of these direct level lines so dear to railway
 2 IX   | extends along a low and marshy level, between two hills. An immense
 3 XV   |   rocks slowly upraised to the level of the sea by the action
 4 XV   |       quietly as if he were on level ground; sometimes he disappeared
 5 XVI  |    thousand feet above the sea level. Yet I slept particularly
 6 XVIII|       we have only reached the level of the island. long vertical
 7 XVIII|      its lower end only at the level of the sea.”~“Are you sure
 8 XVIII|    pressure ascertained at the level of the sea.~“But,” I said, “
 9 XVIII|       at 10,000 feet below the level of the sea.”~“Is that possible?”~“
10 XIX  |     shall soon arrive upon the level soil of Iceland.”~The Professor
11 XXIV |      of five leagues below the level of the sea. But on the 8th,
12 XXX  |     hundred feet [1] above the level of an unfathomable lake
13 XXXV |       ponderous mass of almost level surface. From time to time
14 XL   |      from it; the interior was level with the ground outside,
15 XLII |        It is now rising to its level, and carrying us with it.”~“