122 THE DEPTH AND MARINE DEPOSITS OF THE PACIFIC OCEAN. 
Station 100, 15th October, 1899. 
Lat. 17° 20’ S.; long. 145° 31’ W.; depth, 225 fathoms. 
CORAL SAND: white, gritty, quite incoherent; consisting of Coral and 
Polyzoa fragments, Echinoid spines, Alcyonarian spicules, pelagic and 
bottom-living Foraminifera, otoliths, Ostracodes, Pteropods, Heteropods, small 
Lamellibranchs and Gasteropods, and Tunicate spicules; Sponge spicules; 
fragments of obsidian and felspar. 
Station 101, 15th October, 1899. 
Lat. 17° 20’S.; long. 145° 31’ W.; depth, 225 fathoms. 
CORAL SAND: cream colored, granular, quite incoherent ; has the appear- 
ance of having been washed; contains Coral fragments and Mollusc-shell 
fragments blackened with manganese, the largest being 6 mm. in length, 
pelagic and bottom-living Foraminifera, small Lamellibranchs and Gaster- 
opods, Pteropod fragments, Heteropods, otoliths, Ostracodes, Echinoid spines, 
Tunicate spicules, coccoliths, rhabdoliths ; Sponge spicules; fragments of 
obsidian, the largest about 5 mm. in length, and palagonite, highly scori- 
aceous, the vesicles lined with a purple colored material, and the outside 
of the pieces black and glassy, coated with manganese, the largest fragment 
nearly 4 mm. in length. 
Station 103, 15th October, 1899. 
Lat. 17° 3’S.; long. 145° 8’ W.; depth, 1733 fathoms. 
GLOBIGERINA OOZE: cream colored, slightly coherent; appears to have 
been washed; contains pelagic and bottom-living Foraminifera, Aleyonarian 
spicules, Ostracodes, otoliths, Tunicate spicules, Pteropod fragments, rhab- 
doliths, coccoliths; Sponge spicules, Radiolaria, Diatoms; angular mineral 
particles mean diameter 0.07 mm., magnetite, plagioclase, volcanic glass, 
decomposed ferro-magnesian mineral. 
Station 104, 15th October, 1899. 
Lat. 16° 55’S.; long. 145° 3’ W.; depth, 966 fathoms. 
GLOBIGERINA OOZE: cream colored, granular, quite incoherent ; appears 
to have been washed; contains pelagic and bottom-living Foraminifera, 
Pteropods, Heteropods, Echinoid spines, otoliths, Ostracodes, Coral frag- 
ments, small Lamellibranchs and Gasteropods, Tunicate spicules, rhabdoliths, 
coccoliths; Sponge spicules, Radiolaria ; angular mineral particles, mean 
diameter 0.07 mm., consisting of felspar, obsidian, and magnetite. 
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