i88 



DISCOVERY REPORTS 



the cape itself there is reddish tuff below and grey rock above. Farther north, at a point 

 with outlying breakers, the rocks are definitely stratified, three layers of ash separated 

 by red tuff lying on a base of black basalt. The isolated ridge at Beach Point is about 

 150 ft. in height, and is composed of hard grey rock, with outcrops of red tuff, and with 



Fig. 21. Thule Island: sketches by Lt.-Cmdr. J. Irving. 



a. From the E: Twitcher Rock on the left bearing 180°, distant i-i miles. Hewison 

 Point is on the left of the island and Beach Point on the right. 



b. Cape Flannery from the NW: bearing 147°, distant 8 cables. 



c. Cape Flannery from the SE: bearing 326°, distant 1-5 miles. 



d. From the ESE: Twitcher Rock in the foreground bearing 287°, distant 4 cables. 



e. Twitcher Rock from the WNW: bearing 122°, distant 1-4 miles. 

 /. Twitcher Rock from the NNE: bearing 198°, distant 3 cables. 



g. From the S, showing Ferguson Bay in the centre. Herd Point is on the left side of the 

 bay; on the right is Twitcher Rock and part of Cook Island. 



a soft crumbling black rock, perhaps volcanic ash, at the summit. The steepest cliffs 

 are on the eastern side facing Douglas Strait, and the rocks here closely resemble those 

 opposite on Cook Island. They consist of contorted masses of red, yellow and dark 

 brown, with intrusive grey dykes, the colours showing vividly when lit by a rare gleam 

 of sunshine. 



In 191 1 a landing was effected in Ferguson Bay by members of a whaling expedition 



