Book,  chapter

1    2,   15|   without any certainty of an outlet. Ayrton would doubtless
2    3,    8|    convulses it, and finds an outlet in many places by the mouths
3    3,   12|       enormous rock. The only outlet was the regular door of
4    3,   13| gorges, uncertain whether any outlet existed.~Glenarvan could
5    3,   13|     They noted the direction, outlet and inclination of the paths.