Fig. i. 



Fig. 1. View of the crater mouths from the south, on the summit crest. 

 At the right, the mouth " D" is obstructed and inactive. Mouths " C '' and 

 " A" are seen at the center, and vapor from mouth " B - ' on the right in the 

 distance. 



Fig. 



Fig. 2. View of the subdivided crater from the west, and showing the 

 point of lava emission below the crater. 



