SUBJECT INDEX 



651 



Sea water (Continued) 



interstitial, 554 



stagnant, 555 



temperature, see Temperature 

 Sedimentation, 40, 41, 367, 475- 



495, 586 

 Sediments, 16, 17, 39, 41-44, 68, 70, 

 130, 136, 138, 139, 144, 145, 

 478, 551-555, 587, 588, 594 



abyssal, 325, 346 



calcareous, 347 



characteristics, 160 



composition, 552-581 



consolidation, 53, 55-57, 63, 72, 

 77, 486 



cores, see Core samples 



deep-sea, 367-391, 584 



glacial marine, 140 



pelagic, 141, 144, 329, 345-366, 

 368, 377-383, 555 



planktonic, 346 



structure, 53-55 



volume, 77-79 

 Seismic reflection, 13, 67, 72, 141 

 Seismic refraction, 12, 14, 16, 17, 



67, 70, 72 

 Selenium, 574 

 Senegal, 464 

 Seston, 2)3i, 334 

 Seychelles, 471 

 Shale, 57, 59-63, 68, 71, 72, 74. 75 



Burgess, 91, 92 

 Shear 



vertical, 404 



waves, 18-23 

 Shelf, see also Continents, border- 

 lands of 



of continents, 43, 615, 619 

 Shoaling, see Schooling 

 Siberia, 138, 179 

 Silica, 133, 362, 482, 557 



diatomaceous, 133 

 Silicate, 521, 557, 559, 561, 562, 

 564, 565, 567, 599 



chondrules, 147 

 Silicon, 555, 583, 584, 587, 594 

 Silicon dioxide, 585 

 Silt, 53, 58, 61, 141 

 Silurian, 192, 327 

 Sipunculoidea, 325 

 Skeletal fragments, 359; see also 



Fish debris 

 Slope, see also Continents, border- 

 layids of 



of continents, 617 

 Smoke, 143 

 Sodium, 586 

 Sodium hydroxide, 558 

 Soil mechanics, 55, 59, 61, 76 

 Solar radiation, see Radiation 

 Solubility equilibria, 575-578 

 Somaliland, 462, 471 

 Soot, 411 



South Africa, 180, 181, 183 

 South America, 21, 163, 180, 182, 



183 

 Southern Hemisphere, 129, 143, 181 

 South Georgia, 16 

 South Sandwich Trench, 16 

 Spawning, 247, 249 

 Species 



composition, 221 



interrelationships, 519 



invasion of, 458 



natural, 232 



sympatric (sibling), 234 

 Spinula, 324, 327 

 Spirochaetae, 86 

 Spitzbergen, 11 

 Sponges 



siliceous, 585 

 Spongia, 323 

 Springs (subsurface), 591 

 Steroids, 502 

 Stoichthys, 511 

 St. Paul Island, 471 

 Stratification (bottom sediments), 

 131, 133 



