leptocercal tail, 
Agassiz on, i, 8x 
figure of, i, 82 
Gaudry on, i, 84 
Leptocottus, ii, 448 
Leptolepida, ii, 36, 41 
Leptolepis, ii, 42 
figure of, ii, 41 
Leptomylus, i, 565 
Leptops, ii, 182 
Leptoscopida, the, ii, 503, 506 
Leptosmus, ii, 5 3 
Leptotrachelus, li, 136 
Lepturus, i, 391 
lesser-weaver, i, 169 
Lesson, i, 408 
Le Sueur, i, 418 
Lethrinus, i, 268; ii, 347 
Leuciscus, 1, 254, 256, 346; 
ii, 168, 169 
figure of, i, 287; li, 169 
pharyngeals of, i, 47 
teeth of, figured, ii, 163, 175 
Leuckart, i, 609 
Leucopsarion, li, 467 
Lias, ii, 14 
Libys, i, 605 
Ligul, a, i, 348 
Lilljeborg, i, 410 
Limanda, ii, 493 
little roncador, ii, 356 
Limulus, i, 569 
figure of, i, 572 
Lindstrém, i, 427 
ling, ii, 538 
Linnaeus, i, 375, 3903 ii, 410, 
424, 499 
followers of, i, 394 
Systema Nature of, i, 392 
Linophryne, ii, 549 
Linton, 
on parasitic diseases, ‘ 
343-348 
Liodesmide, ii, 34 
Liodesmus, i li, 34 
lion-fish, ii, 434 
figure of, il, 433, 435 
Liopsetta, ii, 493 
figure of, ii, 494 
liparid, ii, 447, 454 
figure of, ii, 413, 454 
Liparidide, 
family of, ii, 454 
Liparidide, i, 189, 208, 218; 
ii, 313 
Liparis, i, 202, 217, 219, 3755 
3803 ii, 449, 455 
’ figure of, i, 218 
Lipogenyider, i ii, 158 
Lipogenys, ii, 158 
Lister, i, 373, 375% 376 
lithographic shales, ii, 42 
Litholepis, i, 364 
Index 
littoral fishes, 
distribution of, i, 247 
Liuranus, 
figure of, i, 233 
Liza, ii, 221 
lizard-fishes, ii, 61 
figure of, ii, 130 
lizard-skipper, 
figure of, i, 2303 li, 509 
loach, i, 290; li, 185 
fossil, ii, 175, 176 
Lobotes, 
figure of, ii, 331 
Lobotide, 
family of, ii, 331 
local barriers, i, 298 
Lockington, i, 419 
on long-jawed goby, ii, 462— 
465 
log-perch, 
figure of, ii, 311 
Lohest, i, 427 
lok-sild, 1i, 67 
longe, ii, 114 
long-eared sunfish, i, 3-15 
figure of, i, 2, 3; ii, 300 
long- jawed goby, ii . 462, 463 
Cooper on, ii, 463 
figure of, ii, 463 
Lockington on, li, 462 
long-horned sculpin, ii, 447 
long-jaw, ii, 66 
long-necked eels, ii, 153 
lophobranchii, ii, 9, 
227-240 
lophobranchs, i, 92 
suborder of, ii, 235 
Lophogobius, i, 208 
Lophiide, i, 206; ii, 542 
Lophiomus, i, 207, 271; ii, 
200, 
547 
PLophnts; 1 i, 169, 202, 206, 391; 
il, 542, 545, 547) 548 
figure of, i, 18; ii, 545 
lophocercal tail, i, 81, 83 
Lopholatilus, i 94, 3573. ii, 
6 
361 
Lophopsetta, ii, 488 
figure of, ii, 487 
| Lophotes, i, 260, 263; ii, 291 
Lophotide, ii, 292 
family of, ii, 291 
Loricaria, i, 393 
figure of, ii, 186 
Loricariida, ii, 185, 186, 449 
Loricati, ii, 426, 455 
| loro, ii, 394, 396 
Lota, i, 109, 209, 316; ii, 538 
figure of, ii, 539 
| Lotella, i, 259 
lousefish, ii, 469 
| louvar, 
figure of, ii, 290 
5/9 
Loven, 
on Arctic species, i, 317 
Lowe, i, 410 
Lowell, 
on trout, ii, 108 
lower jaw, 
figure of, i, 526 
of Cochliodus figured, i, 531 
of Neoceratodus figured, i, 
616 
of Polypterus figured, i, 606 
lower pharyngeals, 
figure of, ii, 171 
Lower Silurian, 
shark teeth from, i i, 508 
lowland fishes, 
dispersion of, i, 313 
Lucia, i, 477 
Lucifuga, i, 314; ii, 524 
figure of, i, 222; ii, 524 
Lucigobius, i li, 467 
Luciocephalide, il, 370 
Luciocephalus, ii, 370 
oe 
,| Lucioperca, i ii, 315 
Lucas, 
on Therobromus, ii, 127 
luminous organs, i, 187 
von Lendenfeld on, i, 189 
of Porichthys, figured, i, 
IgI 
Lumpenus, i, 209; ii, 513 
lumpfish, i, 208; ii, 135, 453, 
454 
figure of, i, 220; ii, 454 
lump-sucker, i ii, 453, 455 
lungfish, i, 100, 458, 609-622 
lungs of the fish, 
origin of, i, 98, 99 
Morris on, i, 98 
lurking-fishes, 
Whitmee on, i, 169 
Lutianide, ii, 323, 335 
family of, i, 3333 Ui, 340 
Lutianus, i, 3s li, 330, 333, 
335) 330. a 
figure me i, 331; ii, 333, 
335», 336 
Litken, i, 410; li, 33, 133 
on Selene, i i, 144 
on flying-fish, ii, 214 
Luvaride, ii, 291 
Luvarus, ii, 291 
figure of, ii, 290 
Lycenchelys, 
figure of, ii, 519 
Lycodapodide, ii, 520 
Lycodes, ii, 518 
figure of, ii, 519 
Lycodapus, 
figure of, ii, 520 
Lycodopsis, ii, 518 
Lycodes, i, 209 
Lycoptera, ii, 41 
