742 



INDEX 



Gymnodmco, , ni; 



Gymnotidae, 379, 574, 163, 256, 302, 



389 

 Gfymnotus, 579, 581, 649 n. ; electric 



organs, 365, 366 ; G. eledricus, 580 

 <';/! iii i ichilus, 582 

 Gyrodus, 498 

 Gyrolepis, 487 

 Gyroptychius, 479 

 Gyrosteus, 489 



Haddock, 649, 308, 361 



Haddon, 289 



Haemulon, 664 



Hag-Fishes, 421 



Hake, 649, 308 



Haldenian, 19 11. 



Halec, 609 



Half-Beak, 154, 414 



Halibut, 687 



Halicmetkes, 720 



Ifaliewtaea, 720 



Haliloplius mirabilis, 21 



Halimochirurgus, 723 



Hcdoporphyrus, 648 



Halosaurichthys, 624 



Halosauridae, 623 ; photophores, 178 



llalosauropsis, 624 ', H. macrochir, 621 n., 



624 



Halosaurus, 624 

 Hammer-head Sharks, 449 

 Hancock, 53, 591 n., 592 

 Haplistia, 477 n. 

 Jfcqjlochilus, 616 

 Haplochiton, 608 

 Haplochitonidae, 60S, 606 

 Haplodactylidae, 664, 650, 654 

 Haplodactylus, 664 

 Haplomi, 605 f., 651, 306 

 Haplonotus, 663 

 Harmout, 590 

 Harpaffifer, 706 

 Harpodon, 611 ; H. neliereus, 613 ; H. 



squamosus, 613 



Harrimania, 17, 5 ; H. kupfferi, 20 n. 

 Harrimauiidae, 17 

 Harriotta, ^7/, 154, 223 ; distribution, 



473 ; H. raleighana, 472 ; young, 473 

 Hartmeyer, 38 

 Hasselt, van, 36 

 Hatching, of eggs, 417 

 Hatschek, 113 ; grove of, 128 

 Hans, of Appeudicnlarians, 66 

 Head, shape and relative size, 153 

 Heart, of Tunicata, 49, 67 ; of Fishes, 



327, 328 



Heart-vesicle, of Hemichordata, 15 

 Heincke, 565 n. 

 Helgia, 582 

 Hdiastes, 672 

 Helicophagiis, 588 

 Heller, 38 



Helodus, 44^ 



Heloyenes, 5^'> 



Helostoma, 669 



Hemerocoetes, "int; 



Hemibranch, 278 



Hemibrauchii, 627, 629 



Hemichordata, 4 f-> 3, 38 ; affinities, 

 30 f. . 



Hemichromis, 671 



Hemiexocoetus, 638 



Hemimyaria, 101 f., 95, 96 



Hemiodontinae, 576 



Hemiodus, 576 



Hemipimelodus, 588 



Hemirhamplms, 638 ; beak, 154 ; intro- 

 mittent organ, 414 



Hemirhynchus, 680 



Hemisilurus, 588 



Hemithyrsites, 679 



Heinitripterus, 698 



Hemprich and Ehrenberg, 558 n. 



Heniochiis, 668 



Henoplosus, 666 



Hensel, 593 n. 



Uephtli'H-'i,-'!. 712, 713 



Heptanchus, 44-1 branchial clefts, 277 ; 

 //. cinereus, 443 ; skull, 222 



Heptapterus, 588 



Herdman, 38, 108 n., 109 n. 



Hermaphrodite Fishes, 420 



Hermaphroditism, 420 



Hermostila, 657 ? 



Hems, 672 



Herring, 564, 389 ; coloration, 173 ; 

 gouads, 403 ; eggs, 412 ; influence of 

 temperature on time of hatching, 417 



Heterobranchiis, 588, 590 ; accessory gill, 

 293 



Heterochaemps, 673 



Heteroconger, 601 



Heterodont, 251 



Heterodontidae, 444 > teeth, 251 ; per- 

 sistent nephrostomes, 401, 445 



Heterodontus, 444 ; skull, 223 ; teeth, 

 251 ; spiral valve, 267 ; //. y>/> ////'/"' 

 445 



Heteromi, 621 f. , 306 



Heteropleuron, 137, 138 ; H. 

 137 ; H. cingalense, 137 ; H. 

 137 ; H. hectori, 137 : //. maldivense, 

 137 



Heterostichus, 709 

 Heterostraci, 524 f-, 149 



Heterothrissa, 563 



Heterotis, 557, 555; larval gills, 290, 418 ; 

 size of eggs, 408 ; //. ehrenbergii, gill- 

 helix, 294 ; H. niloticus, 556, 558 



Hexagrammidae, 696, 694 



Ilexagrammus, 696 



Hexanchus, 443 ; branchial clefts, 277 ; 



H. griseus, 443 

 Hicksou, 289, 690 n. 



