642 



SUBJECT INDEX 



Discovery II expedition, 600, 606, 



609^ 610 

 Dispersal, 163-168, 203, 252, 467 

 Distribution 



adiaphoric, 209 



cobiotic, 161-163 



dynamics of, 202, 204 



intermediate, 207-210 



neritic, 207-210, 212 



oceanic, 207-210 



paractic, 209 



patterns, 205 



seasonal, 215 



static, 202, 214 



unclassified, 208, 209 

 Divergence, 136, 406 

 Dolomite, 482, 559, 560 

 Drainage, 426, 588, 589 

 Drift, see also Continents, border- 

 lands of 



of continents, 3, 48, 49, 190, 491 



of crust, 190-194 



polar, 133, 136, 190-194, 367 

 Dust 



airborne, 139, 141, 143, 166, 478, 

 483 



atmospheric, 139, 141, 143, 166, 

 478, 483 



cosmic, 144-147, 367. 418, 583 



meteoric, 116 

 Dykes, 493 

 Dytaster, 392 

 Dytaster spinosus, 393 



Earthquake, see also Waves, com- 

 pressional 



belt, 9 



body waves, 18, 19 



surface waves, 23 

 East African rift valleys, 11 

 Easter Island, 11 

 Echinodermata, 323, 327, 392, 463, 



464 

 Echinoidea, 323, 460, 461, 465, 466 



Echinosigra, 395 

 Echinus, 455 



Echiuroidea, 325, 327, 328 

 Echo-sounders 



effect on fishery, 251 

 Ecology, 239-242, 257 

 Ecosystems, 257 

 Ectocrines, 508-510, 512 

 Efifluents 



of rivers, 401, 485 

 Ellesmere Island, 49 

 Elminius modestus, 213, 221 

 Elpidia, 392 

 Elpidia glacial is, 394 

 Embayments (coastal), 425, 426 

 Emerita, 468 

 Endemic species, 327 

 Endofauna, 160; see also Fauna 

 English Channel. 42, 219 



lethal eft'ect of water, 262 

 Entrainment, 425-427, 441, 443, 



444 

 Enviromnent, 201. 544 



change in. 210, 231 



deep-sea, 229, 235 



effect of, 271 



fitness of, 98 



homogeneity of, 234 



isolation of, 229, 230 



stability, 233, 235 

 Enzymes, 110-112, 124 

 Eobionts, see Coacervates 

 Eocene, 153, 187, 346 

 Epifauna, 160, 457; see also Fauna 

 Equator (geographic), 130, 132, 



174-176 

 Equatorial countercurrent, 471 

 Eremicaster, 392 

 Erosion, 482, 483, 554 

 Estuaries, 425-454, 485 

 Ethology, 239-255 

 Ethusa, 395 

 Eubacteriae, 86, 87 

 Eiicampia balaustiiim, 359 



