696 



INDEX 



mackerel — 



feeding, 230, 241 



respiration, 142 



See also Scomber 

 Macronectes giganteus, 245 

 Macropodia ro strata, 585 

 Macrurus, 21 

 Madrepora prostata, 492 

 Magellania, 652 

 M. flavescens, 65 1 

 Magelona, 174 

 Magilus, 663 

 magnesia, 630, 634 

 Maia, 45, 94, 113 

 M. squinado, 46, 126, 180, 284, 286, 299, 



423, 474, 490, 678 

 Malacobdella, 238 

 Malacobdellidae, 590 

 Malacocephalus, 546, 559, 561, 574, 577, 



622 

 M. laevis, 559 

 mammals, marine — 



haemoglobin, 186 



respiration, 171 

 manganese, 479 

 man-o'-war fishes. See Nomeus 

 marine habitats, 2 

 marine turtles, excretion, 289 

 Marinogammarus marinus, 49, 286, 293 

 M. pirloti, 286, 293 

 Maritrema oocysta, 610 

 Marphysa, 420 

 Martesia, 661 

 Marthasterias, 428 

 Mastigias, 617 

 M. papua, 421 

 Maurolicus, 564 



maxillary gland, Crustacea, 296 

 mechanoreception, 334, 336 

 medusae. See Hydromedusae, jellyfish, 



Scyphomedusae 

 Megalops, 341 

 Meganyctiphanes norvegica, 228, 231, 487, 



549, 550 

 Megaptera, 231 

 M. nodosa, 170 

 Mehuet, M., 469 

 melanin, 470, 481, 488, 491, 505 

 Melanitta fusca, 170 

 M. perspicillata, 179, 186 

 Melanogrammus aeglifinus, 3 1 

 melanophores, 489, 505 

 melanoprotein, 470 

 Melia, 603 

 M. tessellata, 585 

 membranelles, 366 



Membranipora membranacea, 633, 652 

 menhaden. See Brevoortia 

 Mercenaria, 112, 443 

 Mercenaria (— Venus) mercenaria, 30, 44, 



111, 124, 156, 159, 161, 192,285 

 Mercierella, 655 

 Mesochaetopterus, 572 



Mesodinium rubrum, 612 

 mesogloea, 378 

 Mesozoa, 594 

 metabolic rate, 151 

 metabolism, of tissues, 161 

 metachronism, 368 

 Metacrinus, 605 

 Metapenaeus monoceros, 48 

 Metridia, 542 



Metridium, 207, 369, 374, 382, 387, 424, 

 425, 426, 433, 451, 458, 483, 492, 493 

 M. marginatum, 421 

 M. senile, 383, 439, 452, 471, 472, 481, 482, 



483,486,491,492 

 microniscus, 599 

 microphonic potential, 343 

 Micropogon undulatus, 406, 407 

 Microporella grisea, 633 

 Microstomus kitt, 242 

 midshipman. See Porichthys 

 Millepora, 613, 636 

 M. alcicornis, 632 

 minnows — 



colour vision, 328 



hearing, 342 



olfaction, 354 

 miracidia, 593 



Mirounga angustirostris, 170 

 M. leonina, 247 

 Mitra, 481 



Mitrocoma cellularia, 536 

 mixonephridium, 296 

 Mnemiopsis, 238, 538, 564, 565, 566, 571 

 M. leidyi, 568, 570 

 Mnestra, 592 

 Mola, 635 



Molgula, 119, 169, 620 

 M. manhattensis, 101, 169, 229 

 molluscs — 



carotenoids, 474 



circulation, 100 



excretion, 288, 292, 293, 297 



excretory organs, 296 



feeding, 211,233, 239 



heart, 110, 120 



haemocyanin, 187 



luminescence, 545 



osmotic relations, 35, 44 



parasitism, 596 



respiration, 140, 165 



shell, 484, 646 



skeleton, 645 



symbiosis, 614 



ventilation, 165 



See also cephalopods, gastropods, 

 lamellibranchs, oysters, septibranchs, 

 shipworms 

 Monas, 367, 368, 371 

 Monocentris japonicus, 559 

 Monodonta, 293 

 Mopalia, 646 

 M. muscosa, 633 

 morphological colour changes, 488 



