Book,  Chapter

1        I,  VI   | considerably altered its aspect. Frequent landslips occurred, and
2        I,  XXI  |      upon his credulity; but the frequent voyages made by the Dobryna
3        I,  XXIII|      gloom should be to induce a frequent depression of spirits amongst
4       II,  VIII |        kind became more and more frequent, and Lieutenant Procope
5       II,  XII  |        common hall, and there at frequent intervals, by night and
6       II,  XIII |        Hive became more and more frequent.~One day an excursion was
7       II,  XV   |          in its position; but by frequent excursions across the frozen