Book,  Chapter

1        I,  III|  air, distant reports, the flight of birds through the foggy
2        I,  XV |  was indicated only by the flight of innumerable aquatic birds,
3        I,  XVI|   it the success of such a flight appeared to be almost impossible.~
4       II,  II |    struggle, an attempt at flight, shots fired which happily
5       II,  III| the surface of the ground. Flight under these conditions would
6       II,  III|  it might have favored the flight of some bold or desperate
7       II,  VI |  rise and grope his way in flight.~A few instants later, she
8       II,  X  |  the Baikal, in which case flight would have been impossible