THE DEPTH AND MARINE DEPOSITS OF THE PACIFIC OCEAN. 113 
narian spicules, small Bivalves and Gasteropods, pelagic and bottom- -living 
Foraminifera, coccoliths, rhabdoliths, Tunicate spicules; some of the Forami- 
nifera are coated with manganese. 
Station 48, 24th September, 1899. 
Between Rangiroa and Tikehau, Paumotu Islands ; depth, 897 fathoms. 
PTEROPOD OOZE: cream colored with very slight tinge of pink, inco- 
herent; has the appearance of having been slightly washed; Pteropods, 
Heteropods, pelagic and bottom-living Foraminifera, Echinoid spines, Coral 
fragments, fragments of Molluscs, with small Gasteropods and Lamelli- 
branchs, Ostracodes, otoliths, coccoliths, rhabdoliths, Tunicate spicules ; small 
siliceous Sponge spicules, Radiolaria ; angular mineral particles, 0.07 mm. 
in mean diameter, felspar, volcanic glass, manganese grains, and small 
cinders. 
Station 49, 24th September, 1899. 
Lat. 15° 25’ S.; long. 148° 8’ W.; depth, 1123 fathoms. 
GLOBIGERINA OOZE: cream colored, very little material; appears 
washed; consisting of pelagic and bottom- -living Foraminifera, otoliths, 
coccoliths, rhabdoliths, Tunicate spicules, Pteropods, Echinoid spines, Sponge 
spicules; only a very few mineral particles were observed. 
Station 50, 25th September, 1899. 
Lat. 15° 25.5’ S.; long. 148° 24.4’ W.; depth, 1486 fathoms. 
GLOBIGERINA OOZE: cream colored, granular; appears washed ; pela- 
gic and bottom-living Foraminifera, Echinoid spines, coccoliths, rhabdoliths, 
Tunicate spicules, arenaceous Foraminifera, Radiolaria, Sponge -spicules ; 
no mineral particles observed over 0.04 mm. in diameter. 
Station 51, 25th September, 1899. 
Lat. 15° 2’ S.; long. 148° 24’ W.; depth, 488 fathoms. 
There is so little material from this station that it is impossible to say of 
what the deposit consists in situ; only one or two calcareous particles were 
observed. 
Station 52, 25th September, 1899. 
Lat. 15° 1.4’ 8. ; long. 148° 25’ W.; depth, 670 fathoms. 
CORAL SAND: very little material; gray, incoherent; consisting of 
broken Corals, Pteropods, Heteropods, pelagic and bottom-living Forami- 
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