i8o 



Report of a Journey Around the World. 



see one of the intermittent "eruptions". The furrows (Fig. 137) 

 seemed to be due to the violent discharge of boiling water flowing 

 back to the well at the base of the funnel, but we saw nothing but 

 steam which climbed the farther side of the funnel and floated 

 away. The noise of a boiling cauldron is very distinct. The ridge 

 is too narrow for a safe path, or I would have gone to the lee side 

 to see if any fumes of sulphur were sensible, as none were noticed 



CRATER OF liROMO. 



at the top of the steps. On our return to the rest house we heard 

 an explosive noise, and turning to Bromo saw a black matter mixed 

 with the steam puff which resembled volcanic dust, but how it is 

 mixed with the steam we could not learn ; this phenomenon fre- 

 quently occurs and is called an eruption. Crossing the Zand zee 

 on our return we found small bits of a sort of pumice resembling 

 that from Kilauea. This was in windrows, or more properly waves, 

 for water and not wind was the distributing agent. Probably 

 washed from the older walls, as I saw nothing like it in the mass 

 of Bromo. The evenness of the furrows made in the outside of the 



cones testifies to their homogeneous structure. Altogether this is 



[328] 



