454
SUBJECT INDEX
Visual cycle, 216, 236, 237
Vitamin, 3, 167, 200, 213
Vitamin A, 203, 206, 212, 215-221,
feeding methods, 1-5, 353
Whale, 1-5, 169, 172, 215, 216, 303,
purple, 236
351-368, 380, 382, 391
extent of predation by, 357, 358
382, 385
in food chains, 382-384
isomers, 222, 223, 236, 237, 383
methods of assay, 216, 221
precursors of, 216, 223-226
seasonal variation in, 220
Vitamin A,. 216, 236
Vitamin B,,, 215
Vitamin B,, 213
Vitamin C, 213
Vitamin D, 213
Vitamin E, 213
Vitamin K. 213
w
Wakasawan, Japan, 348
Wales, 188
Warren Station, Australia, 128
Water content, 200, 201
Water mass, 318
Weddell Drift, 77, 303, 376
Weddell Sea, 64, 310, 378, 379, 389
Weddell seal, 359
Westermann Islands, 361
West Greenland current, 319
West Wind Drift, 389
food of, 1-4, 7, 9, 351-357
stocks of, 4, 357, 358
whalebone (baleen), 1, 303, 353, 357
Whale bird, Antarctic, 368
Whales Research Institute, Tokyo, 361
Whaling, history of, 4, 353
White Sea, 83, 359
Whiting, 362
blue, 362, 363
Wick, Scotland, 360
“William Scoresby”, R.R.S., 378
X
Xanthophyll, 224
X-organ, 265
Y
Yellow Sea, 66, 353, 366
Yolk, egg, 106, 115, 136
Z
Zinc, 201, 202, 381, 382
Zirconium, 202
Zooplankton, 132, 174, 213, 225, 307,
361,375,376,379, 380,387