INDEX 



699 



P. serratus, 48, 101, 126, 152, 422, 435, 



513, 516, 518, 599, 642 

 P. tenuicornis, 531 



Palaemonetes, 47, 299, 311, 314, 317, 341, 

 435, 506, 514, 515, 517, 518 



P. varians, 46 



P. vulgaris, 124, 163, 327, 328, 488, 489, 

 511, 514 



Palinurus, 106, 116, 239, 299, 341, 405, 474 



P. vulgaris, 114, 152, 180, 191, 284 



pancreas, 264, 265, 273 



Pandalus, 638 



P. montagui, 152, 161 



Panulirus, 23, 127, 190, 338, 389, 644, 645 



P. argus, 117 



P. interruptus, 187 



P. longipes, 180 



paper nautilus. See argonaut 



Paracentrotus lividus, 285, 287, 480, 487, 

 660 



Paragnathia formica, 479 



Paragrapsm quadridentatus, 380 



Paralichthvs albiguttus, 488, 489, 496, 521 , 

 522, 523 



P. den tat us, 488, 523 



Paramecium, 205, 369, 371 



P. cauda turn, 152 



Parametra granulata, 6?>2 



paramysin, 394 



parasites, feeding, 247 



parasitic castration, 601, 604, 609 



parasitism, 582, 591 



Paratypton, 662 



Parker, G. H., 424 



Parorchis acanthus, 593, 610 



parrot-fishes, 236 



See also Pseudoscarus 



Parthenopea, 479, 603 



particle-feeders, 203 



Patella, 73, 234, 256, 260, 298, 308, 311, 

 351 



P. vulgata, 173, 648 

 Peachia, 592 



pea crabs, commensalism, 590 



See also Pinnotheres 

 Pecten, 101, 215, 217, 308, 333, 375, 390, 



391, 393,444, 598, 646 

 P. gibbus, 30 

 P. grandis, 1 52 

 P. inflexus, 346 

 P. irradians, 169 

 P. magallanicus, 383 

 P. maximus, 474 

 Pectinaria, 207, 656 

 P. koreni, 485 



Pectunculus. See Glycy men's 

 pedicellariae, 428 



Pelagia, 481, 560, 564, 565, 567, 575 

 P. noctiluca, 481, 566, 569 

 pelagic zone, 2, 7 

 Pelagothuria, 17, 631 

 Pelamis platurus, 289 

 Pelecanus occidentalis, 245 



pelicans, feeding, 245, 246 



Pel togas ter, 479, 599, 603, 604 



Peneroplis, 611 



penguins, feeding, 245, 246 



Pennaria, 375 



Pennatula, 564, 569, 637 



P. phosphorea, 421, 567, 570 



Peprilus, 588 



pepsin, 263, 266, 267, 270, 271, 272, 273 



Peridinium, 538, 540 



Peri nereis cultrifera, 30, 42, 101, 107 



Periophthalmus, 150 



P. koelreuteri, 343 



P. vulgaris, 153 



periostracum, 648 



peripheral facililation, 387 



peripheral inhibition, 387, 392 



perisarc, hydroids, 636 



peristalsis, 274 



peristome, 205 



peritrophic membrane, 275 



periwinkles — 

 excretion, 292 

 respiration, 149 

 See also Littorina 



Petalidium obesum, 309 



Petricola, 660 



Petromyzon, 354, 678 



P. marinus, 88, 176, 183, 329 



Petta, 431 



phaeophorbide, 476, 478, 620 



phagocytosis, 259, 261 



Phalacrocorax, 245 



Phallusia, 427, 453 



P. mammillata, 169, 221, 222, 453 



pharynx, 255 

 Phascolosoma. See Golfingia 



phasic activity, 377 

 Phialidium, 237 

 Philine quadripartita, 264 

 Phoca groenlandica, 247 

 P. hispida, 247 



P. vitulina, 170, 176, 179, 186, 191, 287 

 Phocaena phocaena, 179, 183, 186 

 Pholadidae, 659 

 Pholadidea, 660 

 Pholas, 536, 560, 562 

 P. dactylus, 544, 545, 560, 659 

 phonoreception, 339 

 Phormosoma uranus, 6C6 

 Phoronidea — 

 feeding, 209 

 tubes, 656 

 Phoronis, 210 

 phosphagen, 394 

 phosphatase, 635, 648 

 phosphates, Crustacea, 644 

 phosphoarginine, 394 

 phosphocreatine, 394 

 photic responses, 320 

 Photoblepharon, 536, 574 

 P. palpebratus, 538, 559 

 photokinesis, 321 



