SUBJECT INDEX 



645 



Ice ages, 136, 137, 232, 482 

 retreat, 232, 233 

 sheets, 176 

 Iceland, 138, 207 

 Iceland-Faeroe Ridge, 615 

 India, 49, 180, 181, 183, 184, 462 

 Indian Ocean, 17, 48, 129, 146, 181, 



315, 317, 330, 393, 469, 471 

 earthquake belt, 9 

 Indicators, 301, 302, 321, 614 

 Indicator species, 203, 210, 220, 618 

 Indopacific, 180, 463, 465, 472 

 Infauna, 160, 188, 189 

 International Commission for the 



Northwest Atlantic Fisheries, 



204 

 International Council for the Ex- 

 ploration of the Sea, 202, 247, 



520, 606 

 International Geophysical Year 



(ICY), 606 

 Invertebrates (bottom), see Fauna, 



henthic 

 Iodine, 574, 583, 585 

 Ion exchange, 559 

 Ionium, 368, 372-375, 378-381, 



385-386, 587-589 

 Ionium-thorium time scale, see 



Time scales 

 Ireland, 139 

 Iron, 542, 558, 562-564, 587, 589, 



590, 595 

 concretions and deposits, 326, 



478, 587, 589, 590, 592, 593 

 hydroxide, 377 

 sulfides, 485 

 Island arcs, 15, 46, 491 

 Isochrysis galbana, 289 

 Isolation, 231 

 Isopoda, 323 

 Isopycnals, 453, 614 

 Isotopes, 301, 302, 367, 370, 583, 



584 

 fractionation of, 303-305 



Japan, 20, 24, 181, 466 

 Japan Sea, 328, 391 

 Jarvis Island, 471 

 Java Sea, 485 

 Jet stream, 141, 362 

 Jurassic (middle Mesozoic), 152, 

 153, 165, 184, 193 



Early (Liassic), 184 



Late, 153, 185 



Kamchatka, 435 

 Kaolinite, 557, 558 

 Keats Bank, 471 

 Khatanga River, 179 

 Kiel Bay, 545 

 Kolga nana, 325 

 Kurile Islands, 21 

 Kuroshio, 435, 472 



Labrador Sea, 215 



Lake Maracaibo, 487 



Lamellaria, 466 



Lamellibranchia, 460, 461, 463, 466 



Land bridges, 152 



Land drainage, 426, 588, 589 



Lanthanum, 594 



Larvae 



lecithotrophic, 457 



Leptocephali, 392 



pelagic, 455-474 



planktotrophic, 457 

 Latimeria, 394 

 Lead, 360, 387, 577, 590 

 Lebensspiiren, 188 

 Lepomis, 259 

 Lesser Antilles, 16 

 Liassic, see Jurassic, Early 

 Life 



cycle, 213 



emergence of, 209 



meroplanktonic, 209 



origin of, 95-128 



processes, 555 



