OCKANodRAPHV OK THK TACTKTO. 23 



Station 777. — 8,421 fathoms. lied clay. C/olor, l>i'<)wn. No 

 diatoms; a few radiolaria. The usual luiiuite niano-anese particles 

 and line mineral sand. 



Station 781. — 3,252 fathoms. Diatom ooze. Wiioh^ deposit con- 

 sists of broken frustules of Cose! nod Jkcux. 



Station 783. — 8,2()4 fathoms. Red elay. A sinsjle small mangiinese 

 nodule and one arenaceous foraminifer {R<'oj)ha,r) noted. Residue, 

 fine mud with minute vitreous fraoinents. 



Station 784-.- 'S.,54:7 fathoms. Diatom ooze. Fine clayey matter 

 predominates, but fragments of Coi^cinodiscK.s make a large proportion 

 of the deposit. 



Station 790. — 3,111) fathoms. Red cla}'. Very tine yellowish- 

 brown mud containing a few radiolaria and fine mineral particles. 



Station 796.-~%Q7() fathoms. Red clay. Very fine mud, light 

 chocolate color. Contains a few radiolaria, and nuneral fragments 

 rarely exceeding 0.08 millimeter in diameter. 



Station 80J. — 3,298 fathoms. Red clay. Grayish-brown, not very 

 adhesive mud, containing a few radiolaria and sponge spicules and a 

 large proportion of very fine rock fragments. 



Station 808. — 2,855 fathoms. Red clay. Very fine light-brown 

 mud. A few radiolaria and sponge spicules and a small proportion 

 of mineral fragments. 



Station 8P2. — 3,130 fathoms. Red clay. Very fine yellowish- 

 brown mud, leaving, after washing, a small sediment of radiolaria and 

 fine mineral particles. 



Station 818. — 3,182 fathoms. Red cla3^ Brown mud containing 

 fine sand and a few radiolaria and sponge spicules. 



Station 8'2'2 . — 2,427 fathoms. Red clay. Dark brown. No organic 

 remains. Washed sediment mostl}^ colorless transparent mineral 

 fragments and fibrous volcanic glass. 



Station 828. — 1,390 fathoms. Blue mud. Had distinct odor of 

 hydrogen sulphide when vial was first opened. Brownish-gray color. 

 Contains a few foraminifera, radiolaria, and casts. Much the larg- 

 est part of the sediment consists of angular transparent fragments 

 of rock, for the most part less than 0.08 millimeter diameter. 



Station 833. — 2,740 fathoms. Red clay. Light gray brown very 

 fine mud. No eifervescence with acid. Radiolaria, sponge spicules 

 and a few diatoms. Minute angular rock fragments in large propor- 

 tion. 



Station 850. — 157 fathoms. Green mud. Dark greenish brown. 

 A few sponge spicules; no foraminifera or radiolaria noted. Washed 

 sediment consists of angular rock fragments, many of them various 

 shades of ereen. 



