946 



SUBJECT INDEX 



North Caucasian petroleum beds, 358 



North Polar Sea, 27 



North Pole, 33, 42 



North Sea — see sea 



Northern Caspian, 539, 545, 546, 555, 560, 



575, 595, 596, 614, 616, 617, 618, 621, 



624, 632, 638 

 Northern Dvina river — see river 

 Northern Europe, 308 

 Northern Norway, 142 

 Northern Pacific, 53 

 Novaya Zemlya, 69, 248, 253 

 Novorossiysk, 444 

 Novosibirskiye islands— see islands 

 Norway, 112, 134, 144, 159, 446 

 Norway Sea — see sea 

 nutrition of fish, 44, 160-72, 332, 460-2, 



510, 521-5, 537, 538, 633, 669, 745 



Aral, 668 



benthos-eating, 168-70, 461, 524- 



525 



Caspian, 633 



fry, 633, 636 



■ plankton-eating, 171, 172, 460, 



521-4, 660 

 predatory, 460, 525 



— ■ young, 460, 657 



mammals, 44, 173, 218 



zooplankton, 634, 669 



Ob' Gulf— see gulf 

 Ob' river— see river 

 Ob'-Yenisey Bay — see bay 

 Ocean, Antarctic, 716 



— Arctic, 27, 41, 50, 334, 579, 708 



— Atlantic, 300, 312, 425, 708, 716, 740, 



741 



— Pacific, 27, 268, 269, 685, 686, 687, 702, 



709, 713, 740, 741, 744, 765 



— world, 54 

 Okhrida Lake — see lake 

 Odessa, 387, 430, 444 

 Odessa Bay— see bay 

 Ogurchinsky Island — see island 

 Oka — see river 



oligochaetes, 118, 202, 333, 372, 499, 663 



oligohalinity, 348, 497 



oligomixed nature, 70, 270, 497, 658 



— of benthos, 328 



biocoenoses, 497 



zooplankton, 658 



Onega bay — see bay 



Onega lake — see lake 



on fauna, 117, 118 



ophiura, 127, 168, 249 



Oranienbaum shoal, 326 



Oresund, 272, 279, 303, 309, 343, 345 



organic matter, 296 



origin of fauna, 337, 700 

 orography of seas, 271 

 Oslofjord, 86 

 ostracoda silts — see silts 

 ostracode, 345, 499, 500, 663, 707 

 ostrea, 744 

 ova, 403, 428 



overgrowth of algae, 112 



cystoseira, 439 



fucoids, 112 



lithothamnum, 124 



zostera, 441, 660, 667 



oxidation, 86, 87, 396 



— of ammonium compounds, 583 

 soil, 617 



oxides, iron, 217, 229 



— manganese, 217, 229 



oxygen, 85, 88, 185-91, 281, 389, 390, 420, 

 473, 487, 530, 553-5, 559, 594, 606, 

 655 



oxygen consumption, 229 



— decrease, 553 



— free, 230 



— saturation, 473, 655 



— supply, 698 

 oyster bank — see bank 

 oysters, 374,442, 618, 677 



Pacific Ocean — see ocean 

 Pakhtosov Islands — see islands 

 palaeographic past of Pacific Ocean, 686 

 pantopods, 135, 249 

 parasites, Aral, 661, 700 



— of Caspian fish, 565, 61 1 



— of Far Eastern Seas, 700 



— fish, 610, 662 



— seal, 611 



passive transfer of animals, 340 



patella, 374 



Pechora — see river 



Pehlkevi, 546 



pelagic carnivores, 462 



pelecus, 658 



pelicans, 744 



Pellinge, 327, 329 



penetration, active, 340 



— of fauna, 307, 341, 342, 579, 647 

 flora, 341 



fish, 536 



— into fresh waters, 580 

 rivers, 580 



— passive, 340 



— of plants, 302 



— of relicts, 341, 342 

 peninsula, Alaska, 681 



— Apsheron, 542, 608 



— Busachi, 546 



— Chukotsk, 677 



— Crimean, 383 



— Kamchatka, 681, 684 



— Kerch, 356 



— Kropotsky, 684 



— Mangishlak, 561 



— Murman, 104, 203, 205 



— Rybachy, 144, 146 



— Scandinavian, 339, 340 



— Shipusky, 684 



— Taymyr, 220, 222 



— Yamal, 222, 244, 252, 255 

 percarina, 518, 520 



perch, 349 

 peridineans — see algae 



