488 Mr. J. Murray on Oceanic Deposits examined 



liths ; a few Pteropod, Heteropod, and pelagic Gasteropod shells ; 

 many rough crystalline particles, of a green, black, red, and white 

 colour. 



Sounding 145. 30th August, 1873. 2275 fathoms. Lat. 0° 9' N., 

 long. 30° 18' W. A Glohigerina- ooze with reddish tinge contain- 

 ing : — Many pelagic Foraminifera ; Coccoliths ; some amorphous 

 calcareous and clayey matter; a good many Eadiolarians ; a few fine 

 crystalline particles. 



Sounding 146. 31st August, 1873. 2475 fathoms. Lat. 1° 45' S., long. 

 30° 58' W. A Globigerina-ooze of a red colour containing :— many 

 pelagic Foraminifera and their broken parts ; a few Coccoliths ; 

 much amorphous clayey matter ; many very fine mineral particles ; 

 one or two Eadiolaria. 

 About one half of this specimen was clayey, the other calcareous. 



Sounding 147. 1st September, 1873. 2200 fathoms. Lat. 3° 33' S., 

 long. 32° 16' W. A white Globigerina-ooze containing : — Many 

 pelagic Forainmifera ; Coccoliths and Ehabdoliths ; some red amor- 

 phous matter, and some red and white mineral particles. 



Sounding 148. No bottom came up. 1010 fathoms. Off Fernando 

 Noronha. 



Sounding 149. No bottom came up. 820 fathoms. Lat. 3° 58' S., 

 long. 32° 42' W. 



Sounding 150. 3rd September, 1873. 2150 fathoms. Lat. 4° 2' S., 

 long. 32° 47' W. A white Globigerina-ooze containing: — Many 

 pelagic Forainmifera ; Coccoliths and Ehabdoliths ; a few white and 

 red mineral particles ; a few Eadiolaria. 



Sounding 151. 4th September, 1873. 2275 fathoms. Lat. 5° 1' S., long. 

 33° 50' ~W. A Globigerina-ooze with a red tinge containing : — Many 

 pelagic Foraminifera ; Coccoliths and Ehabdoliths ; amorphous 

 matter and many fine white mineral particles ; one or two Eadio- 

 laria and siliceous spicules. 



Sounding 152. 6th September, 1873. 1375 fathoms. Lat. 5° 56' S., 

 long. 34° 45' W. A red or yellow mud containing : — Much amor- 

 phous clayey matter ; many fine white and red mineral particles ; 

 many pelagic Foraminifera, broken pieces of Pteropods and pelagic 

 Gasteropods ; Coccoliths and Ehabdoliths. 



Sounding 152a. 6th September, 1873. 500 fathoms. Off Brazilian 

 coast. A red mud containing : — Much amorphous matter ; many 

 mineral particles, quartz and mica; a good many pelagic Foramini- 

 fera ; surface Gasteropods, Heteropods, and a few Coccoliths and 

 Ehabdoliths, 



