THE DEPTH AND MARINE DEPOSITS OF THE PACIFIC OCEAN. 95 



No. 37. Station 136, 28th October, 1899. 

 Lat. 18° 8' S. ; long. 141° 49' W. ; depth, 2187 fathoms. 



GLOBIGERINA OOZE : reddish-brown, with hghter-colored patches, slightly 

 coherent, clayey. 



Calcium carbonate : 74.2 per cent, pelagic and bottom-living Forami- 

 nifera, Echinoid spines, Ostracodes, Alcyonarian spicules, coccoliths, rhabdo- 

 liths, Tunicate spicules. 



Residue : 25.8 per cent, chocolate colored, flocculent : — 



Siliceous Organisms (1 per cent), Sponge spicules, Radiolaria, Diatoms, 

 arenaceous Foraniinifera. 



Minerals (5 per cent), angular, mean diameter 0.1 mm., obsidian 

 (brown, clear, and yellow fragments, some of the latter showing spherulitic 

 structure), felspar, augite, magnetite, manganese grains, phillipsitein isolated 

 crystals and rounded aggregates. 



Fine WasJiings (19.8 per cent), amorphous clayey matter, with minute 

 mineral particles and fragments of siliceous organisms. 



No. 38. Station 140, 29th October, 1899. 

 Lat. 18° 27' S. ; long. 140° 21' W.; depth, 2042 fathoms. 



GLOBIGERINA OOZE .- light brown, coherent. 



Calcium carbonate : 72.95 per cent, pelagic and bottom-living Forami- 

 nifera, Echinoid spines, otoliths, Ostracodes, coccoliths, rhabdoliths, small 

 Lamellibi'anchs and Gasteropods. 



Residue : 27.05 per cent, chocolate colored, flocculent: — 



Siliceous Organisms (1 per cent). Sponge spicules, Radiolaria. 



Minerals (1 per cent), angular, mean diameter 0.07 mm., volcanic glass, 

 felspar, augite (?), decomposed ferro-magnesian minerals, manganese grains. 



Fine Washings (25.05 per cent), amorphous clayey matter, with minute 

 mineral particles and fragments of siliceous organisms. 



No. 39. Station 142, 30th October, 1899. 

 Lat. 18° 30' S. ; long. 139° 30' W. ; depth, 2103 fathoms. 



GLOBIGERINA OOZE : light brown, coherent. 



Calcium carbonate : 77.5 per cent, pelagic and bottom-living Forami- 

 nifera, Echinoid spines, Ostracodes, otoliths, coccoliths, rhabdoliths. 



Residue : 22.5 per cent, chocolate colored, flocculent : — 



Siliceous Organisms (1 per cent). Sponge spicules, Radiolaria. 



