820 



DEPTHS OF THE OCEAN 



Stalk-eyed cuttle-fish, 93 



fish-larva, 746 

 Standing waves, 278, 284 

 Starfish, 120, 419, 420, 429, 430, 464, 467, 



486, 491, 492, 510, 511, 517, 534, 538, 



540, 547, 555, 575, 576 

 Stenohaline forms, 557 

 Stenothermal forms, 557 

 " Stejjhan," The, 18 

 Sternoptychida% 603-605, 611-612. 618, 619, 



643, 644, 663, 676, 678, 685, 698 

 StomiatidLx;, 96, 102. 601, 603-604, 611, 618, 



676, 678. 683, 685, 698, 741 

 Stones dredged by the "Michael Sars," 121, 



170, 202-209 

 Storeggen, current observations on, 269, 270, 



273 

 "Stork," The, 19 



Stratification in marine deposits, 174, 200, 201 

 Stromateidre, 607, 613, 643 

 Styelidse, 486 



Styli-plankton, 347, 348, 351, 352 

 Sub-littoral zone, 459-460, 480-481, 490-491 

 Submarine banks, 135 



waves, 714-716 

 Subsidence in oceanic areas, 174, 175, 207, 



208, 209 

 Suhm Deep, 195, 196 

 Sulphates in marine muds, 181, 182, 188 

 Sulphides in marine muds, 175, 181, 182, 188 

 Sulphur, 1 81-183, 188, 258 

 Sulphuretted hydrogen, 257, 554 

 " Summer-belts " in fish-scales, 114, 764 

 " Sunda Graben," 141 

 Sunfishes, 607, 633, 697, 698 

 Surface resistance, 689-690, 692 

 Surplus gravity, 689, 692 

 Suspension organs, 312, 315-320. 323, 327. 



328, 350 . 

 Swedish Expeditions, 10. 15, 17 

 Swire Deep, 141 

 Swordfish, 698, 755 

 "Sylvia," The,' 19 

 Symbiosis, 328, 334, 355, 493, 500 

 Synaphobranchiidre, 121, 127, 389, 395, 414, 



4i5> 605 

 Synascidians, 467, 469, 525 

 Syngnathidre, 606. 613, 644 



"Talisman," The, 13. 68, 387, 544. 686 



Tanaida;, 479 



Teeth of fish in marine deposits, 1 5 1 



Teleostei, 388, 389, 394-411, 601, 611-615 



Teleostomi, 394-411, 611-615 



Telescopic eyes, 90, 96, 97, 746 



Tellinidre, 475 



Temperate neritic species of pelagic alga, 



345-346 

 oceanic species of pelagic algoe, 347 

 Temperature conditions as affecting, animal 



life. 431-437- 444-445< 554-556- 705-706 



Temperature observations, 3, 4. 11. 13, 61. 

 68, 70, 72, 84, 103, 106, 107, no. 

 Ill, 113, 117, 125, 126, 213-230. 239, 

 246, 305. 306, 694, 709, 722, 723. 724, 

 778 



oscillations in lakes, 16 



potential, 221, 239 



seiche, 16 

 TerebellidiTS, 482 



Terraqueous stage of the earth's evolution, 129 

 Terrestrial materials in marine deposits, 1 5 1 

 Terrigenous deposits, 161, 162, 166, 167, 



171, 426, 429, 430, 716, 717 

 Tetraxonia, 524 

 Tetrodontidce, 411, 615 

 Thalamophores, 527 

 Thecosomata, 587, 589, 631 

 Thermocline (see Discontinuity layer) 

 Thermometers, 3, 4, 24, 215, 216, 217. 219. 

 244 



Miller-Casella, 4, 215, 216 



Nansen, 233 



Negretti and Zambra, 4. 217 



Richter, 217, 21S, 220, 233 



Six, 4, 215 

 " Thin water," 696 

 Thomson sounding machine, 28 

 "Thor," The, 67, 72, 434, 505, 652, 710, 



711, 732 

 Thoulet Deep, 196 



Tidal currents, 67, 99, 170. 267-272. 289 

 Tile-fish, 706 

 Tizard Deep, 142 

 "Tjalfe," The, 652 

 Tow-nets, 34, 35, 36, 37, 45. 46, 47, 48. 



49, 68 

 Tracheloteuthida, 596 

 Trachinidre, 390, 410 

 Trachymedusa, 568, 569, 572. 699 

 Trachypteridie, 643, 644, 698, 741 

 Transparency of sea-water, 253. 666, 671 

 " Travail leur," The, 13, 68, 387, 544 

 Travertine, 177 



Trawling and dredging, 24, 26. 27, 30, 31, 

 32, 36, 41, 42, 49, 62, 68, 71, 87, 99, 

 120, 121 

 Trichiuridre, 407, 614, 643 

 Tricho-plankton, 347 

 Triglida, 390, 409-410 

 Tripos-plankton, 347 

 "Triton," The, 13, 208, 546, 662 

 Tropical neritic species of pelagic alga. 346 



oceanic species of pelagic alga, 347 

 Trout, 441, 442, 759 

 Tubeworms, 502, 508, 524 

 Tufa, 153, 155, 177 

 Tunicata, 149, 160, 597-600 

 Tunicin, 597 

 Tunnies, 609, 635, 636 

 Turbellaria, rhabdoccelous, 468 

 Turbot. 441, 442, 451, 452, 646 



