mackerel, 
midges, 744 
shark, 194* 
sharks 190 
Spanish, 479* 
thimble-eyed, 476 
tribe, 473 
mackerels, 473, 474, 475* 
Macrorhamphoside, 449 
Macrorhamphosus, 449* 
Macrouride, 745 
mademoiselle, 569* 
mad-toms, 51*, 4o1* 
Meenidie, 561 
mahogany-snapper, 550 
maigre, 569 
mailed catfish, 405** 
mailed-cheek fishes, 637-669 
Malacanthide, 575 
male red salmon, 294* 
Mallotus, 349* 
Malma trout, 336* 
Mammoth Cave, blindfish of, 
421 
man-eating shark, 195 
Manta, 216* 
map of continents, 92 
margate-fish, 555 
marine fishes, 
barriers to movement, 94 
distribution of, 99 
mariposa, 459 
Marsh, on four-eyed fish, 414 
Mastacembelide, 739 
Mastacembelus, 739* 
masu, 296* 
matao, 464 
Maurolicide, 357 
mayfish, 417* 
measurements of fish, 17 
mebaru, 642 
Meddaugh, photo by, 50* 
medialuna, 564 
medico, 618* 
Megalichthyidz, 229 
Melanogrammus, 742* 
Mene, 503% 
menhaden, 277* 
Menide, 503 
Menticirrhus, 571* 
Merluciide, 745 
mermaid, the, 149 
mero, 539* 
merou, 538 
Mesogonistius, 514 
Mesturus, 259* 
metamorphosis, of lamprey, 
171 
Michigan grayling, 345* 
Microgadus, 743* 
Micropterus, 134*, 518*, 520* 
Microspathodon, 595* 
Microstomide, 350 
Index 
midshipman, 736 
luminous organs of, 64* 
phosphorescent organ of, 
65%, 66* 
migratory fish, 46 
milkfish, 272* 
miller’s-thumb, 655%, 656* 
California, 657* 
Yellowstone, 655 
Minnows, 382, 412 
everglade, 416 
round, 415 
silver-jaw, 384* 
sword-tail, 418* 
minor faunal areas, 102 
Misaki Biological Station, 47* 
mischief done by lampreys, 
173 
Mitsukurina, 192* 
Mitsukurinide, family of, 191 
Mobulide, family of, 216 
mojarras, 561, 562* 
blanca, 562 
cardenal, 469 
de las piedras, 616 
de Iey, 562 
mola, 635* 
Molide, 635 
Monacanthide, 624 
monkfish, 149, 749 
brain of, 204* 
Rondelet on, 149 
Monocentride, 472 
Monocentris, 14*, 471* 
Monodactylus, 608* 
monstrous goldfish, 360* 
mooneye, 272* 
moonfish, 132*, 459, 491, 503 
Moorish idol, 617* 
Moorish idols, 617 
moray, 374* 
morays, 371 
Moringuide, family of, 372 
Mormyride, 407 
Morone, 536* 
mountain chains, as barriers, 
IIQ 
mouth 
of brook lamprey, 172* 
of lake lamprey, 172* 
of lamprey, 172* 
mud-minnow, 412* 
mud-minnows, 412 
mud-skippers, 676, 677* 
muffle-jaws, 655 
Mugil, 441* 
Mugilide, 436 
mullets, 436 
snake-head, 584 
striped, 441* 
Mullide, 565 
Mullus, 131*, 566* 
munu, 566 
783 
Murena, 372* 
murcielago, 669 
muscles of the fish, 23 
muskallunge, 411* 
mutsu, 532 
mutton-snapper, 140%, 549 
Mycteroperca, 541* 
Myctophide, 355 
Myctophum, 356* 
Myliobatide, 214 
Myoxocephalus, 656, 657%, 
658* 
Myrichthys, 370* 
mythology of fishes, 149-156 
Myxine, egg of, 34* 
Nandide, 572 
Narcine, 57, 210* 
Narcobatide, 210 
Nassau grouper, 538* 
natural selection, effect of, 106 
effect on species, 93 
Naucrates, 488* 
needle-bearing filefish, 62 4* 
needle-fish, 426* 
negro-chub, 386 
negro-fish, 538 
Nelson, on Anablebs, 415 
nematistiide, 493 
Nematognathi, 396-406 
families of, 397 
Nemichthys, 15%, 155*, 371* 
jaws of, 42* 
Neoceratodus, 240* 
archipterygium of, 240 
lower jaw of, 242* 
shoulder-girdle of, 235* 
upper jaw of, 241* 
Neoclinus, 717* 
Neoliparis, 666* 
Neosebastes, 644 
nerve-cells and fibers, 38 
nest-building, 443 
nest of fish, 13 
New England fish fauna, 111 
northern blennies, 721 
northern zone of distribution, 
103 
Notacanthus, 377 
Notidani, order of, 184 
Notogoneus, 281* 
Nototheniide, 711 
Notropis, 384, 385* 
Notropteride, 274 
numbfish, 57*, 210* 
nuptial 
coloration, 83 
tubercles, 386* 
oarfish, 152*, 153* 
capture of, 684 
ocean currents, affecting dis- 
tribution, 96 
