142 THE DEPTH AND MARINE DEPOSITS OF THE PACIFIC OCEAN. 
feel inclined to call it a Diatom Ooze. There are also many Radiolaria, and 
small mineral particles, consisting of volcanic glass, felspar, and magnetite. 
It is probable that the Radiolarian Ooze, found in the deepest sounding taken 
by the “Challenger” further to the southwest, may extend to this position, 
but if so, most of the Radiolaria must have been washed out of the tube ' 
in process of collection, while fhe large cylindrical tenuous frustules of 
Ethmodiscus have remained behind. 
Station 249, 21st February, 1900. 
Lat. 13° 8’ N.; long. 145° 25’ E. ; depth, 2337 fathoms. 
RADIOLARIAN OOZE (2): very little material; apparently washed; including 
one or two pelagic and bottom-living Foraminifera, numerous Radiolaria, 
Sponge spicules, a few Diatoms, and many volcanic mineral particles, pumice, 
volcanic glass, palagonite, felspar, and magnetite. 
Lagoon of Niau. 
CORAL SAND (?): pale salmon pink in color, finely granular, incoherent ; 
consisting of Coral fragments, small Lamellibranchs, bottom-living Forami- 
nifera, and Tunicate spicules. 
Anchorage, Vavau, Fiji Islands; depth, 18 fathoms. 
CORAL SAND: grayish yellow, plastic, coherent; contains large Coral 
fragments, one measuring | by ¢ by } inches, covered with Serpula, Mollusc- 
shell fragments, Ostrea 12 by 9mm., Cerithiwum 15 mm. long, pelagic and 
bottom-living Foraminifera, Echinoid spines, otoliths, Ostracodes, portion of 
Crustacean’s claw. 
Ist January, 1900; Sea Beach, South shore of 
-Apamama Island, Gilbert Islands. 
CORAL SAND: white, granular, incoherent; made up almost entirely of 
small angular and rounded pieces of Corals and Mollusc-shell fragments, 
mean diameter about 0.5 mm., Echinoid spines, Tunicate spicules, Aleyonarian 
spicules; small fragments of pumice, the largest being 11 by 6 by 4 mm. 
26th September, 1899. Makatea (Aurora) Island, Paumotu Islands. 
Fossils from the third terrace, about 200 feet above high water :— 
(1) Fragment of Corals, 20 by 15 by 3 mm., converted into calcite; has 
almost entirely lost its original structure. 
