470 



Metabolism, 133. 25of., 294ff. 

 Michael Sars Expedition, 49 

 Migration, 329!!.: Figs. 18 1, 183, 184, 



185 

 Milk, 382ff. 



Minke Whale, see Little Piked Whale 

 Miocene, 75 

 Moby Dick, 29, 192 

 Monro, 161 

 Moore, 195 

 Morris, 224 



Mortality rate, 407f., 413^ 

 Motor nerves, 239f. 

 Motte, de la, 23 

 Mountford, 402 

 Mouth, 268, 282f. 

 Mozambique, 31 

 Multiple births, 36 if. 

 Murata, 141 

 Murie, 30 



Muscles, io8f., i33f., 174 

 Mutual aid, i93ff., 216, 367; Fig. 104 

 Myoglobin, 72, 133, 174 



Naaktegeboren, 376, 388 



Nantucket, 28 



Narwhal, 14, 55f., 75, 83^, 87, 91, 105, 



190, 192, 246, 248, 270, 272, 280, 



290, 296, 310, 346f., 356, 375, 388, 



390; Figs. 7, 40, 85 

 Nasal bone, 70 

 Nasal passage, 68fr. 

 Nasal septum, 75 

 Nasu, 193 

 National Institute of Oceanography, 



49> 330> 332: Fig. 182 

 Neck, I03f., 107, 281 

 Nemoto, 88, i88f. 

 Neuville, 141 

 New Bedford, 28, 30 

 Newfoundland Tom, 29 

 New Zealand, 27, 29, 31 

 New Zealand Jack, 29, 192 

 Nielsen, 200 

 Nipples, 38ofT. ; Fig. 2 1 3 



Nishinoto, 294 



Nishiwaki, 308, 352, 355, 364, 399, 404 



J\^orges Hvalfangstforbund, 48f. 



Norman, 33 



Norris, 180, 194, 224, 345, 354^, 413 



North Atlantic Right Whale, see Bis- 



cayan Right Whale 

 Nose, i46ff. ; Fig. 87 

 Nostrils, see Blowholes 

 Novaya Zemlya, 18 

 Nowell, P. T., 177 

 Nucleus dorsalis, 243 

 Nucleus ventralis, 243 



Ocean Aquarium, 180 



Ocean currents, 318IT., 343; Figs. 176, 



177 

 Oesophagus, 147, 149, 285; Figs. 86, 



166 

 Oestrin, 360 

 Ogawa, 238 

 Oil, i6ff., 20, 28, 30, 32, 36f , 44f ,5of., 



72, 258, 324(1., 339 

 Olfactory brain centres, 243f. 

 Olfactory nerve, 236f , 24 if 

 Oligocene, 74f 

 Olsen, 88 

 Ommanney, 171 



Omura, Dr. H., 50, 129, 198, 337^ 

 Optic nerve, 232; Fig. 122 

 Orkney Is., 55 

 Ottestad, Prof. P., 414 

 Ova, 356 



Ovaries, 356ff. ; Figs. 198, 199, 200, 207 

 Oviduct, 356f. 



Ovulation, 356, 36of , 388, 402 

 Owen, 63; Fig. 28 

 Oxydization, 312 

 Oxygen, i73f. 

 Oye, 308 

 Oynes, P., 333 



Pacific Pilot Whale, 180 

 Pacific White-Beaked Dolphin, 180, 

 294 



