500 Mr. J. Murray on Oceanic Deposits examined 



rather coarse mineral particles of a white, green, and black colour ; 

 a few Eadiolarian remains j no carbonate of lime. 



29th September, 1874. 200 fathoms. Bottom composed of pebbles and 

 sandy particles, and a few pelagic Foraminifera. 



Sounding 222. 3rd October, 1874. 1425 fathoms. Lat. 4° 21' S., 

 long. 129° 7' E. A blue mud with reddish upper layer, containing : — 

 Much amorphous clayey matter ; many sandy particles of a green 

 and black colour and pumice ; many pelagic Foraminifera and Coc- 

 coliths ; a good many Eadiolaria. 

 The trawl brought up soft mud of a brownish colour, in which were 



imbedded some large lumps of blue mud, also pieces of wood and 



fruits. 



Molucca Passage. 13th October, 1874. 825 fathoms. Lat. 0°48'S. 5 

 long. 126° 58' E. Sounding 223. No bottom came up. 



Sounding 224. 14th October, 1874. 1200 fathoms. Lat. 0° 41' N., 

 long. 126° 37 J' E. A small quantity of bottom came up, which 

 indicated a grey mud, containing : — Very many particles of vol- 

 canic sand ; a few Foraminifera and Eadiolaria. 



Celebes Sea. 



Sounding 225. 20th October, 1874. 2150 fathoms. Lat. 2° 55' N., 

 long. 124° 53' E. A grey or red mud, containing : — Amorphous 

 clayey matter ; many fine mineral particles of black, green, and red 

 colour (pumice) ; a good many Eadiolaria ; no carbonate of lime. 



Sounding 226. 22nd October, 1874. 2600 fathoms. Lat. 5° 44' N., 

 long. 123° 34' E. A grey or brown mud, containing : — Eed amor- 

 phous clayey matter ; very many fine and coarse mineral particles, 

 as quartz, mica, and green minerals ; a few Eadiolaria ; no carbo- 

 nate of lime. 



23rd October, 1874. 255 fathoms. A small quantity of bottom came 

 up, which indicated a green mud, containing : — Amorphous clayey 

 matter ; many mineral particles ; pelagic Foraminifera ; Coccoliths ; 

 Acanihometra- spines and Diatoms. 



Sulu Sea. 



26th October, 1874. 98 and 102 fathoms. Several basaltic pebbles 

 came up in the sounding-tube. In the dredge there was a large 

 pebble covered with Carpenteria (c. f.). 



Sounding 227. 27th October, 1874. 2550 fathoms. Lat. 8° 32' N., 

 long. 121° 55' E. A blue mud with reddish upper layer, contain- 

 ing : — Yery many fine particles of minerals — quartz, mica, and a 

 green and a red mineral ; a few Eadiolaria and Diatoms ; one or two 

 Globigerina and Coccoliths ; a few manganese grains. 



