494 Mr. J. Murray on Oceanic Deposits examined 



Sounding 191. 10th March, 1874. 2150 fathoms. Lat. 47° 25' S., 

 long. 130° 32' E. A Globigerina-ooze, with a red tinge, con- 

 taining : — Very fine pelagic Foraminifera,. Coccoliths, and Hhabdo- 

 liths ; a few Diatoms and Radiolaria ; one or two small white 

 mineral particles, and one or two red and black manganese grains. 



Sounding 192. 13th March, 1874. 2600 fathoms. A red clay con- 

 taining : — Much amorphous clayey matter ; many very fine white 

 mineral particles and a few black obsidian-like particles and manga- 

 nese grains ; a few whole and many broken pieces of pelagic 

 Foraminifera and a few Coccoliths ; two Radiolarians noticed ; no 

 Diatoms. 

 The trawl brought up many round manganese concretions or nodules, 



and one or two shark's teeth. 



Melbourne to Sydney. 

 Sounding 193. 4th April, 1874. 2200 fathoms. Lat, 36° 56' S., long. 

 150° 30' E. A green mud containing : — Amorphous clayey matter ; 

 many fine mineral particles, quartz, mica, and green glauconite 

 particles, &c. ; a good many pelagic Foraininifera and Coccoliths ; 

 a few broken pieces of Pteropod shells ; a few remains of Diatoms 

 and siliceous spines. 



Sydney to Wellington. 



12th June, 1874. Off Port Jackson. 120, 290, and 650 fathoms. 

 Soundings at these depths gave a greenish mud containing : — Many 

 coarse sandy particles ; quartz, mica, and glauconite particles ; 

 many pelagic and other Foraminifera ; broken pieces of Pteropod 

 and other surface shells, Echinoderm spines, &c. 

 In the shallower soundings there were great numbers of green casts of 



the Foraminifera and other shells. 



Sounding 194. 24th June, 1874. 950 fathoms. Lat. 34° 8' S., long. 

 152° 0' E. A green mud containing : — Many fine and coarse 

 mineral particles, quartz, mica, green and red minerals ; many 

 pelagic Foraminifera, Coccoliths, and Rhabdoliths ; a few siliceous 

 spines ; many pale white casts of the Foraminifera remained after 

 treatment with acid. 



Sounding 195. 13th June, 1874. 1200 fathoms. Lat. 34° 9' S., long. 

 151° 55' E. A greenish mud containing : — Very many fine and 

 some coarse mineral particles, quartz, mica, green and red minerals; 

 very many pelagic Foraminifera, Coccoliths, and Bhabdoliths ; a 

 few pieces of siliceous spines. 

 A few white casts of Foraminifera remained after treatment with acid. 



Sounding 196. 13th June, 1874. 400 fathoms. Lat. 34° 19' S., long. 

 151° 31' E. A green mud containing : — Very many sandy particles ; 



