SUBJECT INDEX 



649 



Phanerozoic, 85, 92 

 Phase oJion Intense, 325 

 Phillipsite, 362, 363, 380, 558, 559, 



590 

 Phosphate, 133, 521, 525, 526, 528, 



531, 533, 566, 567, 573 

 Phosphorite, 481, 596 

 Phosphorus, 359, 542-544, 555, 594 

 Photodynamic effects, see Light, 



effect of 

 Photonegativity, 468 

 Photoperiodicity, 262 

 Photosynthesis, 96, 102, 112, 117, 

 125, 126, 283, 284, 520-522, 

 524, 584, 594 

 Phototropism, 542 

 Phylogeny, 86, 87, 89 

 Phytoplankton, 271-297, 506, 508, 

 519, 525, 527, 539, 540, 543, 

 544, 546 

 succession of, 272 

 Pigments 



of plants, 520 

 Plankton, 204; see also Phyto- 

 plankton 

 antibiotic effect on bacteria, 262 

 assimilation rate, 540, 544 

 deposits, 346 

 Platynereis dumerilii, 258, 260 

 Pleistocene, 367, 394, 487 

 Late, 139 

 Middle, 132 

 post-, 353 

 pre-, 176, 183 

 Pleuromamma, 220 

 Pleuronectes plates sa, 251 

 Pogonophora, 323, 327, 395 

 Polar Basin, see Arctic 

 Poles, 130, 174-176 



paleomagnetic, 191 

 Pollution, 411 



Polychaeta, 89, 164, 323, 327, 328, 

 395, 460, 461, 463 



Polydora ciliata, 463 

 Polymerization, 109, 110, 116 

 Populations 



homogeneous, 223 



interbreeding, 235 

 Porosity, 59-63, 65, 69, 70, 77-79 

 Postglacial, 132 

 Potassium, 362 



in age determination, 386 

 Potassium hydroxide, 558 

 Precipitation, 401, 402, 411, 415, 

 418, 422, 426, 429, 434, 442, 

 478, 484, 486, 584 

 Predators, 507 

 Pressure 



effect of, 554, 556, 561 



hydrostatic, 234, 261, 358 

 Prorocentrum, 290 

 Prorocentrum micans, 275, 282, 



283 

 Prosobranchia, 460, 461, 463, 466, 



467 

 Protactinium, 137, 372, 373, 375, 



378, 381, 385, 386 

 Protactinium-ionium, 137, 385 

 Proterozoic, 327 

 Protista, 90 

 Protoceratium, 290 

 Protozoa, 96 

 Prymnesium, 507 

 Prymnesiiim parva, 287, 289, 509 

 Pseudoeunotia doliolus, 359 

 Puerto Rico, 42 

 Puerto Rico Trench, 16 

 Pygoscelis, 507 

 Pyrites, 482 

 Pyroclastics, 360, 362 



Quartz, 141, 143, 144, 362, 364, 



490, 557-559, 587 

 Quaternary, 193, 349, 350, 354, 



364, 487 

 pre-, 365 



