166 NOTES ON THE METEOROLOGY AND 
hollows between them i h, e outer ridge p 8a 
somewhat steep face towards the sea, and they all follow the 
coast-line with great regularity. I had an opportunity of seeing 
The interior of the island was composed of masses of coral 
rock in situ, between which were patches of guano of varying 
richness, and was about 3 feet above water level, showing that 
the island had been upheaved to that extent. Near the south 
side a fissure extended for some distance running east 
west, partly open and partly filled in by matter deposited sub- 
oes 
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