8i8 



DEPTHS OF THE OCEAN 



Pteropod ooze, 149, 160, 161. 162, 163-164, 

 167, 168, 169, 171, 173. 174, iSo, 

 199, 200, 426, 427 



Pterosperniatacea;, 365 



Pulsations in currents, 273 



Pumice, 152-153, 155, 156,166,169,208.419 



Pump method of capturing plankton, 65, 360 



" Punti verdi," 334 



Pycnogonids, 109, 468, 497, 515, 519, 524. 

 527, 529, 530, 534, 547 



Pycnometer, 236 



Pyrosomidse, 692 



Qualitative investigations of marine organisms, 



776-778 

 Quantitative estimations of marine organisms, 

 772-776 

 of plankton, 37, 309-310, 358-366, 372- 



377, 772-776 

 with bottom-sampler, 784-785 

 Quartz, 153, 162, 163, 205 



Radio-active matter in marine deposits, 62, 



160, 166, 170 

 Radiolaria, 118, 148. 307, 355, 561, 563, 



564-568, 578, 588, 624, 631. 642, 691, 



693, 697, 699, 702, 719, 720 

 Radiolarian ooze, 17, 149, 160, 161, 162, 



165-166, 168, 169, 171, 183, 184, 185 

 Raiidie, 388, 389, 392, 393, 424, 436, 441, 



442, 448, 451, 452 

 "Rambler," The, 19 

 Rays {see Raiidae) 

 *' Recorder," The, 19 

 Red clay, 149-, 154, 155, 160, 161, 162, 163, 



165, 166, 168, 169, 171, 173, 174, 175, 



180, 182, 186, 187, 189, 19c, 199, 200, 



426, 427. 429, 430 

 Red -fish larviE, no, in 

 Red mud, 161, 162, 167, 169 

 Reducing areas in the sea, 187-188, 189 

 Refractivity of water in relation to salinity, 



236-237 

 Regnard's photometer, 252 

 Resting spores, 320-321, 341, 342, 344 

 " Retriever," The, 19 

 Reykjanes Ridge, 56 

 Rhabdoliths, 146, 308 

 Rhabdospheres, 145, 146, 308 

 Rhinidas, 392 

 Rhizopods, 481, 482 

 Ribbon type of suspension organs, 3 1 5 

 Richter's reversing thermometer, 217, 218, 



220, 233 v^ 

 Rofkall, 123, 124 

 J Rock fragments in marine deposits, 155, 156, 

 ^ 157, 163, 166, 170, 171, 185-188, 202- 



209 

 " Roddam," The, 20 

 Rotation, eftects of the earth's, 274-278, 295, 



299 



Saccopharyngida;, 104, 605, 612, 618 



Sagittidcv, 86, loi, 104, 578, 631, 640, 641, 

 669, 720, 773 



" Saifia," 74 



Saithe, 440, 444, 446. 452, 454, 646, 648, 

 649, 731, 736, 759, 760, 761, 762, 764 

 larvEC, 646 



Salinity of sea-water, 230, 236, 237, 238, 

 239.245, 318 



" Salmon-herrings," 95 



Salmonidre, 69, 394, 441, 442, 601, 602, 

 611, 645, 759 



Salpidre, 98, 118, 119, 126, 308, 352, 355, 

 381, 382, 578, 581, 598, 599, 600, 631, 

 632, 633, 634, 641, 692, 696, 708, 710, 

 711, 712, 719 



Salts of the sea, 230-245 



Sandgapers, 464, 556 



Sandhoppers, 465, 466, 497 



Sand-stars, 120 



Sardines, 76, 601, 636 



Sargasso fishes, 633, 698 



Sargasso Sea, 83, 94-99, 100, 106, 107, 108, 

 118, 194, 222, 223, 241, 242, 246, 298, 

 371, 598. 619, 623, 631, 632, 633, 635, 

 656, 657, 658, 663-664, 670-671, 673, 

 681, 684, 694, 695, 698, 708, 718, 720, 

 722, 723, 724, 725, 727, 747, 773, 775 

 weed, 91, 103, 106, 108, 335-337. 671, 

 673. 718 



Saury pike. 747 



Scales of fishes as indicators of age and growth, 

 114, 759-765 



Scaphopoda, 482, 500, 523 



"Schizogony," 463 



Schizopoda, 579, 582-583, 640, 654, 669, 



773 



Scii>;nidie, 390, 402-403, 444 



Sclerodermi, 615 



Scleroparei, 408-410, 614 



Scombresocidse, 607, 613, 644 

 eggs of, 103, 742 



ScombridEC, 609, 643 



Scombriformes, 390, 406-407, 609, 614 



Scopelidoe, 68, 95, 126, 127, 396, 414, 601, 

 605, 606, 613, 618, 631, 632, 634, 644, 

 663, 669, 675, 676, 677, 679, 685, 686, 

 687, 698, 699, 703, 746, 755 

 eggs and young of, 118 



Scorp£enid?e, 390, 408-409, 614 



" Scotia," The,' 18, 19, 135. 170 



Scottish lochs, investigations in, 13, 16, 225 



Scottish Antarctic Expedition, 18 



Scyllidre, 388, 391 



Scyphostoma, 572 



Sea-anemones, 482, 484, 493, 497, 500, 521 



■Sea-bream {see Bream) 



Sea-horses, 89, 671 



" Sealark," The, 19 



Sea-lilies {stjc Feather-stars) 



Sea-mice, 491, 517, 519, 540 



