_Mesencephalon, 
- figured, i, 109, r10 
mesentary, i, 32 
Mesichthys, ii, 190 
mesocoracoid, i, 89; ii, 12 
mesoderm, i, 138 
Mesodon, ii, 22 
Mesogonistius, ii, 301 
figure of, ii, 299 
Mesolepis, ii, 15 
mesopterygium, i, 58, 511, 
512, 523; li, 12 
Mesopus, ii, 124 
Swan on, ii, 123 
Mesozoic fishes, i, 437 
metameral characters, i, 23 
metapterygium, i, 58, 511, 
512, 523; ii, 12 
ere figured, i, 
Siiciiets grayling, 
figure of, ii, 122 
Microbranchium, 1,577 
Microcanthus, ii, 404 
Microdesmus, i, 271 
Microdon, i, 204 
Microgadus, ii, 537 
figure of, ii, 538 
Microlepidotus, i, 271 
Microperca, ii, 307, 315 
Micropogon, i, 271; Ui, 356 
Micropterus, i, 291, 302; 1i, 
297, 302, 304 
figure of, i, 3253 ii, 303, 
305 : 
Microspathodon, i, 271; ii, 
384, 385 
figure of, li, 384 
Microstoma, ii, 127 
Microstomide, ii, 127 
Microstomus, ii, 494 
midshipman, i, 121, 189; ii, 
526 
luminous organs of, i, 191 
migratory fishes, i, 160 
milkfish, 
figure of, ii, 45 
milktschitsch, ii, 73 
Miller, i, 426 
miller’s thumb, ii, 444 
California, ii, 446 
figure of, ii, 445 
Yellowstone, ii, 444 
Milner, i, 419 
on whitefish, ii, 64 
minnow, i, 33, 124, 3045 ii, 
“718, 161, 163, 193, 196— 
199 : 
treatment of eggs by, i, 129 
Minous, ii, 436 
Mioplosus, ii, 315 
Mirbelia, ii, 531 
mirror carp, i, 151; ii, 17 
Index 
Misaki, 
tide pools of, i, 161 
Misgurnus, i, 98; ii, 176 
Mississippi Valley, 
blind fishes of, i, 117, 220 
stone-roller of, i, 33 
Missouri sucker, ii, 173 
Mistichthys, ii, 467 
Mitchill, i, 376, 418 
on climbing-fish, ii, 367, 
368 
on Spanish mackerel, ii, 
264 
Mitchillina, ii, 60 
Mitsukurina, i, 199, 536, 566 
figures of, i, 535 
Mitsukurinide, 1, 534 
Mitsukuri, i, 418 
on phosphorescent shark, 
i, 189 
portrait of, i, 417 
Mivart, 
on paired limbs, i, 70 
monana, ii, 353 
Mobula, i, 448 
foetus of, i, 560 
Mobulide, i i, 559 
mojarra, ii, 348 
figure of, li, 348 
mojarra cardenal, li, 254 
mojarra de las piedras, ii, 405 
mojarra de ley, ii, 348 
mojarra verde, li, 381 
Mola, i, 19, 84, 142, 206, 
272; i, 424, 425 
figure of, ii, 424 
larva of, figured, i, 143 
Molgula, i, 474 
Molgulide, i, 474 
Molida, ii, 424 
Molina, i, "396 
Mollier, 
on lateral fold, i, 71 
Mollienesia, ii, 199 
Mollusca, ii, 529 
Molva, i, 209; ii, 538 
Monacanthide, i, 242 
family of, ii, 413 
Monacanthus, i, 
ii, 414 
du Monceau, i, 396 
Mondini, ii, 144 
mongrel whitefish, ii, 67 
monkfish, i, 359; ii, 545 
brain of, figured, i, 547 
pectoral ‘fin, figured, i, 56 
Monocentride, ii, 250 
family of, ii, 257 
Houttuyn, discoverer of, 
Ul, 257 
Monocentrus, i, 260 
figure of, ii, 257 
Monoceros, i, 268; 
181, 206; 
li, 4o9 
581 
Monodactylus, ii, 398 
figure of, ii, 397 
Monolene, i, 206 
Monopteride, ii, 141 
Monopterus, ii, 141 
Monorhinus, i, 593 
Monotaxis, ti, 344 
Monro, i, 390 
monstre marin, i, 360, 36x 
monstrosities among fishes, 
i, 150 
monstrous goldfish, 
figure of, i, 151 
Montagu, i, 396 
month incubation, i, 
171, 172 
Giinther on, i, 173 
Moorish idols, ii, 406 
figure of, ii, 406 
Moodeliar, 
on climbing-fish, ii, 367, 
368 
mooneye, i, 290; ii, 45 
moonfishes, i, 144; li, 243, 
244, 276, 401 
figure of, i, 323 
morays, li, 152, 153 
figure of, 1, 458; ii, 155 
Mordacia, i, 491 
Mordaciide, i, 491 
Moreau, i, 95, 412 
Morgan, i, 428 
Moringua, ii, 153, 189 
Moringuide, ii, 188, 189 
family of, ii, 153 
Mormyrus, i, 393 
Morone, ii, 321 
figure of, li, 322 
morphology, i, 5Ir 
of fins, i, 62-90 
Morris, 
on lungs of fishes, i, 98- 
“106 
mortality of filefish, i, 357 
Moseley, 
on Ipnopide, ii, 131 
Moser, 
on catching salmon, ii, 85 
moss-bunker, ii, 51 
motor nerves, i, 153 
mountain chains, 
as barriers, i, 310 
mountain-oopu, li, 466 
mountain-witch, ii, 445 
Mount Whitney, 
golden trout of, ii, 99 
Moxostoma, ii, 174 
mu, li, 344 
mucous channels, 
mud-bass, ii, 297 
mud-dab, ii, 493 
mud-minnows, i, 290; ii, 35, 
193, 194 
170, 
i, 22, 23 
