SS 
46 THE DEPTH AND MARINE DEPOSITS OF THE PACIFIC OCEAN. 
Glauconite is very abundant as grains, the green color varying in intensity 
and hue, some grains being grass green, others rather yellowish. 
Fine Washings (87.5 per cent); principally minute particles of the 
minerals above mentioned, which passed away with the clayey matter, with 
a few fragmentary Diatoms and Sponge spicules and fine flocculent clayey 
matter colored green by the adjunction of the green matter usually met 
with in Green Muds and Sands. 
No. 8. Station 4658, 14th November, 1904. 
Lat. 8. 29.5’ S.; long. 85° 35.6’ W.; depth, 2370 fathoms. 
RED CLAY: gray, sticky, plastic, fine-grained, very smooth to the touch; 
dries into very hard lumps slightly reddish in tinge. The clay proper is 
quite homogeneous, but contained many manganese nodules, sharks’ teeth, 
and cetacean ear-bones. 
CALCIUM CARBONATE: 0 per cent. 
ResipvE: 100 per cent : — 
Siliceous Organisms (0.5 per cent), many different genera of arenaceous 
Foraminifera are present, including Haplophragmium, also a few Sponge 
spicules and Diatoms. 
Minerals (4 per cent); not taking into account the broken fragments of 
manganese nodules, the mineral particles consist mostly of small grains (0.5 
mm. in diameter) of the oxides of iron and manganese, together with a very 
few particles of plagioclase, augite, magnetite, and hematite. 
Fine Washings (95.5 per cent) ; principally a dark gray amorphous clay, 
with a few microscopic mineral particles not determinable, and a few 
Diatoms. 
No. 9. Station 4666, 18th November, 1904. 
Lat. 11° 55.5’ S. ; long. 84° 20.3’ W. ; depth, 2600 fathoms. 
RED CLAY: gray, typically clayey, plastic, sticky, smooth to the touch, 
drying into hard lumps. 
CALCIUM CARBONATE: traces. Acid caused effervescence in one or two 
spots only. A pelagic Foraminifer was detected, and unrecognizable tabular 
fragments. 
ResipuE: 100 per cent: — 
Siliceous Organisms (1 per cent), principally Sponge spicules, with 
Radiolaria and arenaceous Foraminifera. 
