INDEX 



693 



Haemulon, 406 

 hagfish — 



colour changes, 578 

 feeding, 241 

 See also Myxine 

 Halenchus fucicola, 583 

 Halichoeres poecilopterus, 494, 495, 527 

 Halichoerus grypus, 1 70 

 Halic/wndria, All, 612 

 H. panicea, 169, 229, 632 

 Halicrvptus spinulosis, 88, 124 

 Halidrys, 530 



Haliotis, 256, 268, 311, 484, 647 

 H. r life sc ens, 285 

 H. tubercidata, 647 

 Halla, 434 

 H. parthenopeia, 481 

 hallachrome, 481 

 Haloeynthia (= Tethyum), 111, 272 



See also Tethyum 

 Hamingia, 476 

 Hapalocarcinidae, 662 

 Hapalocarcinus, 228 

 Haploscoloplos bustorus, All 

 Harmothoe, 572 

 H. adventor, 588, 589 

 H. lunula ta, 588 

 harvest fish. See Peprilus 

 Haustorius, 226 

 hearing, 339 



heart, 24 90, 91, 92, 99, 100, 384 

 heart rates, 100, 101, 106 

 heat tolerance, gastropods, 5 

 Heliactis bell is, 614 

 Heliopora, 637 

 H. caerulea, A19, 632 

 helioporobilin, 479 

 Heliosphaera, 630 

 Helix aspersa, 293 

 H. pomatia, 293 

 Heloecius cordifonnis, Al 

 Hemigrapsus, 645 

 Hemimysis, 116, 321 

 Heniochus acuminatus, A91, 498 

 Henricia sanguinolenta, 23 

 heparin, 126 

 hepatochlorophyll, 478 

 hepatopancreas, 257, 643 

 Hepatus chilensis, 585 

 Hermaea, 1A1 

 Hermione hystrix, 485 

 hermit crabs — 



commensalism, 586, 589 

 feeding, 228 

 Herpyllobius, 607 

 herring, 289 



feeding, 230 

 herring gull, 593 

 Hersiliodes, 590 

 Heteranomia squa nuda, 216 

 Heterocarpus, 544 

 Heterodontus, 666 

 heteropods, 17 



Heteropora, 652 

 Heteroteuthis, 574, 577 

 H. dispar, 546 

 Hiatella, 443, 660 

 hind-gut, ventilation, 145 

 Hippa talpoida, \1A 

 Hippocampus, 156, 173, 478 

 H. europaeus, 287, 407 

 H. hudsonius, 407 

 Hippolyte, 470, 506, 515, 601 

 H. acuminata, 531 

 H. californiensis, 475 

 H. various, 530 

 Hipponoe, 590 

 Hippopus, 615 

 Hippospongia, 630 

 Hircinia, 612, 630 

 //. campana, 632 

 hirudin, 126 

 Hirudinea, 596 

 histology of muscle, 378 

 Histriobdella homari, 596 

 Holocentrus, 341, 527 

 /f. ascensionis, 523 

 Holothuria, 97, 336, 482, 664 

 //. floridana, 633 

 if. ^mea, 97, 98, 145 

 //. impatiens, 153 

 //. rubens, 383 

 //. tubulosa, 145, 285, 287 

 holothurians, 663 

 blood vessels, 89 

 circulation, 97 

 commensalism, 588 

 feeding, 224, 232 

 holothurin, 665 



Homarus, 94, 104, 127, 284, 289, 295, 298, 

 315, 330, 338, 347, 388, 422, 443, 474, 

 475, 515, 638, 639, 643 

 H. americanus, 31, 88, 101, 104, 124, 180, 



187, 189, 348, 423, 633, 678 

 H. vulgaris, 141, 152, 159, 166, 180, 339, 



422, 470 

 homing, 323 

 Hopkinsia rosacea, A1A 

 hormones — 

 regulating colour changes, 515, 519, 526 

 eye pigments, 315 

 metabolism, 155 

 moulting, 644 

 host specificity, 609 

 humpback whales, 170 

 Hyalinoecia, 146, 657 

 H. tubicola, 632, 656 

 Hyas, 583 

 H. araneus, 45 

 Hydractinia, 586, 636 

 Hydrobia ulvae, 609 

 hydrogen ion concentration — 

 and digestion, 269 

 of sea water, 12 

 Hydroides dianthus, 336, 459, 632 

 hydroids, feeding, 236 



