204 FRIENDLY DISPOSITIONS. 



long discussion took place, which ended at last in 

 their saying, they would bring the animal on board 

 to-morrow morning, and let me have it for these 

 things. 



Notwithstanding we were only two of us, appa- 

 rently unarmed, as Johns only had a pistol in his 

 pocket, they saw all the treasures restored to the 

 basket without thinking of intercepting them ; and 

 after a friendly farewell to Duppa and his family, 

 we returned to the boat. 



All the way along we were invited into the 

 houses, and Koiyop insisted on our coming into 

 his court-yard, where he gave us some cocoa-nut 

 water. 



I went on board, intending to return after break- 

 fast and examine the interior of the island, but 

 found preparations made for weighing ; and at ten 

 o'clock w r e left the Murray Islands, and did not 

 again return to them. 



I shall now give a brief account of the geological 

 structure of these Murray Islands, and Erroob. 



The stratified rocks, of which they are composed, 

 may be briefly described as a volcanic sandstone 

 and conglomerate. The sandstones were made of 

 small rounded grains of lava, and of volcanic sand 

 and ashes, with some calcareous grains and strings 

 of carbonate of lime. The conglomerates exhibited, 

 in a light-brown earthy matrix, fragments and 

 blocks of black trachytic lava, from the size of a pin's 

 head to that of a man's, mingled with which were 



