SUBJECT INDEX 



945 



marine borers, 449 

 Mariupol, 480 

 Marmora sea — see sea 

 Mashigina gulf — see gulf 

 Mecklenburg Bay — see bay 

 medusa, 96, 98, 101, 102, 135, 193, 304, 

 364, 562, 594 



— fresh- water, 582 

 melting ice, 51, 264, 289 



— snow, 471 

 Mendota lake — see lake 

 Mertvyi Kultuk — see strait 

 mesohalinity, 348 

 mesomixed community, 69, 509 

 methane, 473, 531, 555 

 microbenthos, 206, 452 

 microclimate, 51, 66 

 micro-organisms, 410 

 microphytobenthos, 452 

 microzoobenthos, 452 

 migration route, 633 

 migrations, active, 340, 582 



— animals, 581 



— annual, 509 



— cardium, 502, 508 



— fauna, 311, 341, 363, 364, 432, 573, 



582, 

 deep water, 716 



— fish, 163, 376, 378, 379, 460, 629, 782 

 anadromous, 57 



feeding, 164, 165, 339, 630, 633, 779 



spawning, 629, 630, 632, 740, 742, 



744, 779, 780 



-feeding, 159, 376, 521 



wintering, 630 



— flora, 432, 513 



— herring, 104, 630 



— plankton, 404, 659, 708 



— plankton daily, 103, 404, 604, 605, 659, 



776 

 seasonal, 509, 708, 793 



— salmonidae, 630, 632 

 чся!ч 742 



— vertical, 96, 404, 694, 659, 708, 759 

 diurnal, 708 



herring, 103 



plankton, 96, 98, 103, 404, 659, 708 



zooplankton, 604-6, 793 



mineralization, organic matter, 413 



miocene, 354, 355, 361, 572, 748 



mirabilite (Glauber salts), 645 



mites, 202 



mixing of waters, 145, 283, 336, 406, 412, 

 419, 559, 560 



fauna, 446 



zones, 473 



modiola, 104, 143,446 



molecules 'trihydchloric', 52 



molluscs, 38, 99, 112, 124, 128, 131, 135, 

 141, 144, 149, 153, 200, 216, 231, 241, 

 243, 260, 264, 268, 311, 316, 334, 348, 

 367, 372, 375, 444, 446, 454, 465, 479, 

 480, 499, 568, 596, 663, 677, 701, 722, 

 771, 774 



— amphineura, 112, 431 



3o 



— bivalves, 66, 72, 91, 115, 129, 139, 142, 



144, 150, 243, 355, 371, 375, 437, 441, 

 495, 774 



— boreal, 38 



— cephalopods, 38, 64, 91, 104, 702 



— cold water, 37, 342 



— fresh water, 291, 312, 358 



— gastropods, 104, 112, 144,209,249,311, 



418, 441, 562, 564, 573, 581, 582, 661, 

 667 



— land, 358 



— nudibranchiates, 114 



— pteropod, 38, 95, 98, 258, 294 



— rock-burrowing, 436 



— warm-water, 38 

 mollusc-eating fish, 636 

 monocyclic distribution of growths, 96 

 moonfish, 37 



Motovsky Bay — see bay 

 mouth, Ural, 597 



— Volga, 597 

 mouths, river, 50, 254 

 Mudyug Lighthouse, 182 

 mullet, grey, 355, 427, 460, 535, 537 



— red, 466, 516 



Murman, 38, 64, 65, 72, 73, 136, 142, 172, 

 176, 311 



— eastern, 115, 122 



— western, 116, 118, 122, 145, 165, 208 

 mussels, 66, 114, 116, 149, 219, 374, 436, 



443,444 

 mutability of species, 354 

 myriapods, 202 

 mysids, 114, 115, 295, 305, 341, 368, 441, 



454, 479, 562 

 mytilaster, 446, 472, 524, 570, 574, 575, 



576, 578, 616, 618, 620, 621, 623, 626 

 mytilus, 114, 437, 439, 445, 744 



nannoplankton, 657 



Naples, 428, 445 



Navaga, 55, 218, 219, 253, 740, 742, 839 



necton, 427-9 



negative features of fauna, 194, 200, 201, 



568 

 nematodes, 439, 452, 700 

 nemerteans, 209, 439, 452, 531 

 neogene, 354 



nerpa (Phoca hispida), 219 

 Neva gulf — see gulf 

 Newfoundland, 64 

 New Zealand, 582, 711 

 nitrates, 51, 85, 86, 285, 286, 298, 339, 340, 



395, 396, 398, 400, 474, 555, 556, 561, 



655, 698 

 nitrification of organic substance, 286 

 nitrites, 51,86, 398, 555, 561 

 nitrogen, 72, 88, 285, 286, 394, 395, 474, 



500,531,555,649,655 

 — fixer, 584 

 Nordkyn — see cape 

 North America, 27, 68, 308, 417, 582 

 NorthAtlantic,53,68,97, 142, 154, 155,431 

 North Cape — see cape 

 North Cape current — see current 



