INDEX 



Nautilus, 247 et seq. 

 Nekton, 111-12 

 Nematocysts, 119^^ seq. 

 Nematolampas regalis, 263 

 Neptune, 32 

 Neritic Province, 33 

 Nesteroff, V., 204 

 Neumann, 222-3 

 Newton's Principia, 155 

 Norfolk coast, seals, 227-8 



Ocean Province, 33 

 Oceans : compared with solar 

 system, 2 1 et seq. 



— deepest spot, 22 



— density layers, 78 



— earth's gravitational pull, 86 



— may boil away, 29 



— power from, 88 



— three "living spaces", 33 



— waves, 28 



{see also specific headings) 

 Octopus, 38, 246 et seq. 

 Octopus hongkongensis, 256 

 Octopus vulgaris, 256 

 Odontoceti, 215, 218 

 Ohio tornado (1842), 70 

 Old, Dr. E. H. H., 122 

 Onychoteuthisj 252 

 Ophiocephalus, 114 

 Orcinus, 2 1 1 

 Orcinus orca, 2 1 2 

 Orkneys, hurricane (1953), 70 

 Ostrea edulis, 133 

 Ostrea virginica, 133 

 Otaria ursina, 288 

 Oysters, 52, 131 et seq., 152 



Paludanus, 222 

 Paper nautilus, 257 ^/ seq, 

 Paramecium, 152 

 Parker, G. H., 250 

 Pearly nautilus, 260-1 

 Penguins, 160 et seq. 

 Pennella, 48 



Periophthalmus schlosseri, 113 

 Periwinkle, 135-6 

 Perrotin, 31 



Perseus, 247 



Petitcodiac River bore, 86 



Photophores, 262 et seq. 



Physalia, 120 



Physeter macrocephalus, 2 1 8 



Phytoplankton, 237 ^^ seq. 



Piccard, Prof., 176 



Pinna fragilis, 146 



Pinnipedia, 224 



Pipe-fishes, 103-4 



Plankton, 48, 109, 111-12, 235 



et seq. 

 Planktonic animals, 241 et seq. 

 Planktosphaera, 243 

 Planula, 148 



Pliny the elder, 58, 171, 247 

 Pluto, 32 

 Plymouth, England : gale 



(1824), 67 



— hot rocks, 128 



Poe, E. A., 96-97 



Polar bear, 229 



Polyprion americanus, 102 



Polyps, 264 



Pouting, H. G., 221 



Pontoppidan, Bishop, 261 



Porifera, 140 



Porpoises, 39, 53, 202, 211 



Portuguese man-of-war, 119 et 



seq., 148, 164, 260 

 Preleptocephali, 108 

 Pressures, underwater, 167-8, 



179 

 Prothero, E., 34 

 Protoplasm, 239 

 Proxima Centauri, 20 

 Pumpkin-seed, 118 

 Pyrosoma, 264-5 



Rays, 52, 183, 190, 206 et seq. 

 Ray's Encyclopaedia, 90 

 Rain formation, 68-69 

 Red tide, Florida, 150 

 Remoras, 197 et seq. 

 Reyn, Dr., 63 

 Rivers, sediment, 75 et seq. 

 Rondolet, 247 

 Ross, Capt., 168 



277 



