LEAVK HANARURO. 247 



besides his mineralogical observations, he dis- 

 covered an extraordinary cave, running at an 

 acute angle several hundred feet deep into the 

 mountain, where he found a sheet of water, 

 which stretched as far as the light of the 

 torches permitted the light to reach through 

 the fearful darkness. It would have been in- 

 teresting to have traversed this subterranean 

 sea in a boat. It is most remarkable, that the 

 water of this lake is salt, and that the alternate 

 ebb and flow of the tide is as perceptible here 

 as on the coast. M. Hoffman will probably 

 publish other particulars respecting this natural 

 curiosity. 



On the 31st of January 1825, we left the 

 harbour of Hanaruro, having the pleasure to 

 be accompanied by our friend Karemaku, who, 

 by the help of our physicians, felt himself well 

 enough to venture thus far. He brought with 

 him several double canoes, which, as there was 

 no wind, towed the ship quite out of the harbour, 

 and far enough to sea to obviate any danger 

 from the reefs ; Karemaku then took leave of 

 us with the most cordial expressions of friend- 

 ship, wishing us a prosperous voyage and a 



