THE DEPTH AND MARINE DEPOSITS OF THE PACIFIC OCEAN. 105 



Fine Washings (11.1 per cent), amorphous clayey matter, with minute 

 mineral particles and fragments of siliceous organisms. 



No. 64. Station 223, 18th January, 1900. 

 Lat. 10° 49' N. ; long. 167° 15' E. ; depth, 2469 fathoms. 



GLOBIGERINA OOZE : reddish brown, coherent. 



Calcium carbonate : 63.65 per cent, pelagic and bottom-living Forami- 

 nifera, many crystalline calcareous fragments (dolomitic limestone), otoliths, 

 Ostracodes, fragments of Corals and Mollusc shells, Echinoid spines, Alcyo- 

 narian spicules, coccoliths, rhabdoliths. 



Residue : 36.35 per cent, brown, flocculent, with small rock particles : — 



Siliceous Organisms (2 per cent). Sponge spicules, Radiolaria. 



Minerals (10 per cent), angular, mean diameter 0.4 mm., palagonite, 

 decomposed ferro-magnesian minerals, a little felspar, altered, but apparently 

 orthoclase. 



Fine Washings (24.35 per cent), amorphous clayey matter, with 

 minute mineral particles and fragments of siliceous organisms. 



No. 65. Station 224, 19th January, 1900. 

 Lat. 10° 30' N. ; long. 167° 42' E. ; depth, 2586 fathoms. 



GLOBIGERINA OOZE : brown, coherent, clayey. 



Calcium carbonate : 54.9 per cent, pelagic and bottom-living Forami- 

 nifera, Coral fragments, Echinoid spines, otoliths, Ostracodes, coccoliths, 

 crystalline calcareous particles (dolomitic limestone). 

 Residue : 45.1 per cent, brown, flocculent : — 



Siliceous Organisms (2 per cent), Radiolaria, Sponge spicules. 

 Minerals (10 per cent), angular, mean diameter, 0.3 mm., volcanic 

 glass, palagonite, felspar, hornblende (?), olivine, magnetite. 



Fine Washings (33.1 per cent), amorphous clayey matter, with minute 

 mineral particles and 'fragments of siliceous organisms. 



No. 66. Station 225, 19th January, 1900. 

 Lat. 10° 15' N. ; long. 168° 6' E. ; depth, 2609 fathoms. 



GLOBIGERINA OOZE : brown, coherent, clayey. 



Calcium carbonate : 45.35 per cent, pelagic and bottom-living Forami- 

 nifera, Echinoid spines, otoliths, Ostracodes, Coral fragments, coccoliths. 



Residue: 54.65 per cent, brown, flocculent: — 



