118 THE DEPTH AND MARINE DEPOSITS OF THE PACIEIC OCEAN. 



Station 79, 7th October, 1899. 

 Lat. 16° 10' S. ; long. 146° 23' W. ; depth, 252 fathoms. 



CORAL SAND: very little material; coarse-grained and quite incoherent; 

 some of the larger shell fragments blackened by manganese ; Coral frag- 

 ments, Mollusc shells and their fragments, Echinoid-spine fragments, Polyzoa, 

 Serpula, pelagic and bottom-living Foraminifera, Pteropods, Alcyotiarian 

 spicules, Tunicate spicules ; Sponge spicules, Radiolaria ; grains of felspar, 

 the largest attaining a diameter of 0.5 mm. 



Station 80, 7th October, 1899. 

 Lat. 16° 11.5' S. ; long. 146° 25' W. ; depth, 491 fathoms. 



CORAL SAND : very little material ; coarse-grained, incoherent, white ; con- 

 tains Coral fragments, Polyzoa, Mollusc-shell fragments, with small Lamel- 

 libranchs and Gasteropods {PleurototTia), Echinoid spines, Alcyonarian spicules, 

 otoliths, pelagic and bottom-living Foraminifera, Heteropods [Atlanta), Pter- 

 opods ; grains of felspar. 



Station 81, 7th October, 1899. 

 Lat. 15° 54.5' S. ; long. 146° 20' W. ; depth, 677 fathoms. 



CORAL SAND : fine-grained, incoherent ; some of the particles blackened 

 by manganese, fragments of Corals, Polyzoa, Echinoid spines, Gasteropods, 

 Pteropods, pelagic and bottom-living Foraminifera, O.stracodes, Alcyonarian 

 and Tunicate spicules ; siliceous Sponge spicules ; one or two small grains 

 of felspar. 



Station 82, 7th October, 1899. 

 Lat. 15° 42' S. ; long. 146° 20' W. ; depth, 675 fathoms. 



PTEROPOD OOZE : fine-grained, incoherent, cream colored ; appears 

 washed ; contains Pteropods, Heteropods, pelagic and bottom-living Fora- 

 minifera, Ostracodes, otoliths, Echinoid spines, Coral fragments, fragments 

 of Mollusc shells, with small Lamellibranchs and Gasteropods (Pfe<rotow2a), 

 Tunicate spicules, coccoliths, and rhabdoliths. 



Station 83, 7th October, 1899. 

 Lat. 15° 34' S. ; long. 146° 26' W. ; depth, 333 fathoms. 



CORAL SAND (?) : so little material that it is impossible to state with cer- 

 tainty the character of the deposit in situ; one or two pelagic Foraminifera 



