Part,  Chapter

 1      I,  IX   |          state of the atmosphere prevented it from as yet descending
 2      I,  XIII |        avoided, and the wind was prevented from blowing with unbroken
 3      I,  XIII |          whenever excessive cold prevented the opening of doors or
 4      I,  XV   |      What was it, in fact, which prevented the entire submersion of
 5      I,  XVIII|       funning at the storm which prevented him from making nocturnal
 6      I,  XXII | elevation, but the pitiless cold prevented him from venturing outside.~
 7     II,  XII  |     Lieutenant. Unless they were prevented they were to start on the
 8     II,  XII  |     Lieutenant. Unless they were prevented they were to start on the
 9     II,  XV   |          greatest care, this fog prevented all observations.~This state
10     II,  XXIII|        At all hazards he must be prevented from doing as he threatened.~“