1646 an extraordinary event. A mountain was rent from top to
bottom, sending out great columns of fire and dense vapours. The
two parts now remain two distinct mountains.

In the Island of Sangir, another of the Moluccas, there was a
violent eruption in March 1856. A large portion of the mountain
fell down, and tremendous floods of water issued forth. The
destruction that ensued was dreadful, upwards of two thousand
persons having perished.

In another part of the Indian Ocean, near Madagascar, lies the
little Isle of Bourbon, containing the volcano Salazes, which
occasionally throws out the curious thready substance already
mentioned, so strongly resembling spun glass.




CHAPTER XI.

Mud and Air Volcanoes--Luss--Macaluba--Taman--Korabetoff--New
Island in the Sea of Azof--Jokmali--Fires of Baku--Mud Volcano in
Flank of Etna--Air Volcanoes of Turbaco, Cartagena, and Galera-
Zamba.


The curious mud volcano in the Island of Java, described in
the preceding chapter, although presenting some peculiar features,
is not the only one of the kind in the world. Mud, as you have
learned, is often thrown out in great quantities, along with