INDEX 
Hierichthys, 713 
Himantolophus, 719; H. reinhurdti, 719 
Hinceks, 23 n. 
Hippocampus, 634, 635, 154, 156, 2838 ; 
prehensile tail, 163; WH. brevirostris, 
361, 362; H. guttulatus, 635 
Hippoglossina, 687 
Hippoglossoides, 687; H. 
687 
Hippoglossus, 687 ; H. vulgaris, 687 
Histiocephalus, 695 
Histiophoridae, 679, 676 
Histiophorus, 680 
Histiopterus, G60 
Histiothrissa, 563 
Hjort, 39, 83 
Holacanthus, G68, 361 
Holargyreus, 648 
Holaspis, 427 
Holmwood, 692 n. 
Holoblastic, 97, 409, 410 
Holobranch, 278 
Holocentrum, 656, 655 ; H. sogho, 361 
Holocephali, 466 f., 148 
Holoptychidae, 479, 202 
Holoptychius, 480; H. leptopterus, 236 ; 
H. flemingi, 479 
Holosomata, 88 f., 81, 82, 110 
Holostei, 494 f., 149, 497 
Holothurians, Fierasfer in, 626 ; 
gnathus and Doryichthys in, 635 
Holoxenus, 695 ; H. cutaneus, coloration, 
165 
Holt, 690 n., 707 
Homaloptera, 582 
Homalopterinae, 582, 585 
Homocereal, 160, 237 
Homosoma, 643 
Homosteus, 536 
Hoplichthyidae, 699, 694 
Hoplichthys, 700 
Hoplognathidae, 662, 653 
Hoplognathus, 662 
Hoplopagrus, 660 
Hoplopteryx, 656 ; H. lewesiensis, 656 
Horse- Mackerel, 677, 158 
Houting, 568 
Humboldt, 581, 595 
Hundstisch, 610 
Huot, 627 
Huxley, 30 n., 37, 112 
Hybodus, 445 ; vertebral column, 197 
Hydrocyon, 575 ; H. goliath, 578 
Hydrocyoninae, 575 
Hydrolaqus colliei, 469 
Hygrogonus, 672 
Hymenocephalus, 647 
Hyodon, 553; HW. alosoides, skull 
pectoral arch, 553 
Hyodontidae, 552, 544, 389, 405 
Hyostylic, 222 
Hyperlophus, 563 
limandoides, 
Syn- 
and 
Hyperopisus, 549 ; H. bebe, 552 
Hyperpharyngeal groove, 123 
Hypnos, 464; electric organs, 365; J/. 
subnigrum, 258 
Hypobranchial groove, 46 
Hypobythiinae 72 
Hypotythius, 72; H. calycodes, 72,72. H. 
moseleyi, 72 
Hypomesus, 566 
Hypopharyngeal groove, 122, 123 
Hypophthalmichthys, &82;: H. molitrix, 
584 
Hypophthalminae, 589 
Hypophthalmus, 589 
Hypophysial canal, 58 
Hypophysis, 129, 370 
Hypoprion, 448 
Hypoptopoma, 595 
Hypoptychus, 639 
Hypostoma—see Plecostomus 
Hypostomides, 628 
Hypsocormus, 501 ; H. insignis, 602 
Hyrtl, 558 n., 599 n. 
Hysterocarpus, 670 
lasis, 108 ; I. cordiformis-zonaria, 108 
Icelus, GIS 
Ichthyoborinae, 576 
Ichthyoborus, 576 
Ichthyocampus, 6354 
Tchthyococeus, 57 1 
I chthyodectes, G1 
_Ichthyodorulites, 159, 435, 446, 467 
Ichthyomyzon, 420 
Ichthyopsida, 745 
Ichthyotomi, 438 f., 148 
Icichthys, 644 
Icosteidae, 644, 637 
Tcosteus, 6443; I. enigmaticus, 644 
Iguanodectes, 575 
Thering, 593 n. 
Ikeda, 29 
Tlyophis, 601 
Infundibular organ, 127 
Inter-renal bodies, 346, 346 
Intromittent organs, 414 
Ipnops, 611, 613; J. 
photophore, 179 
Tridocytes, 166 
Ischnacanthus, 441 
Ischyodus, 47,4 
Isichthys, 551 
Tso, 639 
Isospondyli, 543, 620 
Istieus, 549 
Isurichthys, G78 
murrayt, 612 ; 
Jacoby, 601, 602 n. 
Janessa, 446 
Jenynsia, G16 
Jobert, 593 n. 
John Dory, 683, 308, 361, 363 
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