SUBJECT INDEX 



947 



period, Akchagul, 573 



— Ancylus, 291, 334 



— Apsheron, 573 



— Atlantic, 69, 219 



— boreal, 290 



— Danish, 289 



— eocene, 572 



— glaciation, 289 



— gothian, 289, 369, 519, 581 



— Finnish, 289, 573 



— interglacial, 263 



— littorine, 65, 177, 199, 200, 311, 334-41 



— maeotic, 365 



— mesozoic, 54 



— pliocene, 53 



— Pontic, 257, 562, 573 



— post-glacial, 54, 63, 68, 200, 289 



— post-pliocene, 57 



— post-Pontic, 257 



— preglacial, 63 



— quaternary 28, 54, 177, 348, 365, 685, 



686, 687, 688, 790 



— Riss, 178 



— Sarmatian, 422 



— sub-boreal, 290 



— tertiary, 28, 54, 177, 348, 365, 685 



— Wiirm, 178 



— Yoldian, 65, 178, 270, 334 

 periods, climatic, 54, 289 



— feeding fish, 630 



— flowering algae, 72 



— glacial, 54, 200, 287, 288 



— spawning, 630 



— temperature drop, 178 

 rise, 177, 178 



— vegetation, 42, 43 



periwinkle (littorina rudis), 66, 114, 115, 



' 344 

 Persey — see expedition 

 Persia, 359 

 Persian Bay — see bay 

 petrel, 744 

 petroleum, 348 

 pH, 448, 594 

 Phanerozonia, 727 

 phaseolin, 445, 618 

 phases, Caspian lake age, 553 



— littorine stage, 342 



— plankton development, 54 



— salinity decrease, 67, 363 

 increase, 363 



— temperature rise, 69 



phosphates, 51, 85, 86, 286, 294, 395, 396, 



398, 531, 557, 657, 698, 699 

 phosphorus, 86, 285, 286, 394, 396, 398, 



474, 531, 556, 557, 561, 656, 689, 695, 



698, 699, 823, 824, 826 

 photosynthesis, 86, 87, 376, 413, 559 

 phototropism, 64 

 phyllophora, 214, 380, 399, 430, 431, 436, 



445, 452 

 phytobenthos, 52, 106, 195, 264, 300, 301, 



463, 533, 605, 606, 607, 608, 646, 



660 

 phytophanes, 669 



phytoplankton, 42, 45, 50, 72, 85, 86, 87, 

 91, 92, 93, 94, 95, 96, 135, 193, 232, 

 233, 257, 258, 264, 401, 463, 471, 532, 

 559, 586, 587, 588, 589, 590, 591, 592, 

 593, 594, 646, 657, 697, 828, 829 



pike, 349, 520, 644, 671 



— marine, 36 



— -perch, 462, 520, 525, 563, 576, 611, 629, 



644, 671 



perch, Don, 520 



, Kuban, 520 



pipefish, 427, 441, 535 



Pir'yu gulf — see gulf 



plain, Ob'-Yenisey, 579 



plankton, 193, 232, 264, 452, 532, 702, 703, 



704, 705, 706, 708, 709, 828 



— abyssal, 728 



— Aral Sea, 657-60 



— Arctic, 64, 91 



— Azov Sea, 481 



— Baltic Sea, 294-9 



— Black Sea, 401 



— Barents Sea, 91-105 



— boreal, 64 



— brackish-water, 64 



— Caspian Sea, 585 



— Chukotsk Sea, 264, 265 



— Far Eastern Seas, 702, 703, 704, 705, 



706, 707, 708, 709 



— fresh-water, 64 



— Japan, 775 



— Kara Sea, 232-79 



— summer, 264 



— tropical, 702 



— White Sea, 193 



planktonophages, 141, 145, 634, 669 

 plant eater, 669, 730 



— food, 597, 618, 805, 825 



— nutrients, 655, 659, 699 

 plants, flowering, 205, 427, 432, 607 

 pliocene, 53, 355, 361, 573 

 pogonophorae, 712, 713, 716, 717, 720, 



730, 731, 735 

 polar year, international 1st, 678 

 2nd, 678 



— basin, 54, 68 



— front, 72, 80, 704 

 polarization, zoogeographical, 179 

 pole cold, White Sea, 185 



— of inaccessibility, 33 

 pollack, 158, 180, 218, 780, 795 



— Alaska, 140, 759 



polychaetes, 37, 62, 72, 91, 98, 112, 117, 

 127, 128, 129, 131, 139, 140, 147, 150, 

 151, 162, 166, 198, 209, 243, 249, 267, 

 268, 305, 311, 324, 334, 339, 347, 367, 

 371, 373, 431, 445, 479, 480, 562, 571, 

 608, 701, 702, 718, 722, 771, 772, 774, 

 777, 805 



polychaetes, boreal, 38 



— relict, 499 



— tubular, 128 

 polyhalinity, 348 

 polyps, coral, 134, 722 

 Pontic Sea, 363 



