578 



Index 



Lake Nicaragua, 



shark from, i, 542 

 Lake Patzcuaro, 



viviparous fishes from, i, 



126 

 Lake Pontchartrain, 



fish fauna of, i, 314 

 lake trout, ii, 66, 115 



figure of, ii, 114 

 lake whiting, ii, 65 

 Lamdodus, i, 522 

 Laminaria, ii, 544 

 Lamnidae, i, 532, 537, 538, 542 

 Lamna, i, 534, 538 



teeth of, figured, i, 537 



figure of, 447 

 lamnoid sharks, i, 519, 533 



distinguished, i, 534 



families of, i, 534 

 Lampetra, i, 491 



figure of, i, 120, 492 

 lamprey, i, 28, 35, 56, in, 

 204, 249, 290, 490, 506 



ascending brook figured, i, 

 496 



brain of, i, 112 



catfishes destroyed by, 1,358 



extinct forms, i, 487 



fate of, i, 504 



food of, i, 491 



gill-basket of, figured, i, 92. 

 485 



Kamchatka, i, 495 



method of attack, i, 493 



migration of, i, 494 



orders of, i, 488 



parasites of, i, 354 



Reighard on, i, 491 



spawning of, i, 408, 500 



structure of, i, 486 



Surface on, i, 491 

 Lamprididae, ii, 16 



family of, ii, 243 

 Lampris, i, 210, 322; ii, 228, 

 245, 288 



figure of, i, 323 



shoulder-girdle, figured, ii, 



243 

 Lanarkia, i, 570, 622 



figure of, i, 574 

 lancelet, i, 28, 31, 121, 204, 

 482-485, 506; ii, 467 



characteristics of, i, 482 



figure of, i, 484 



habits of, i, 483 



vertebral column of, i, 55 

 lancet-fish, ii, 408 



figure of, ii, 135 

 lancet of surgeon-fish, i, 181 

 lane-snapper, 



figure of, ii, 336 

 Laoiester, i, 61, 87, 426, 571, 

 593 



lantern-fishes, ii, 41, 61, 128, 

 129, 525 



figure of, 11, 133 

 lantern-flounder, ii, 488 

 laolach, i, 620 

 Laparus, ii, 518 

 large-mouthed black bass, 



figure of, ii, 305 

 Larimus, ii, 355 

 Larvacea, i, 470, 473 



figure of, i, 480 

 larval development of fishes, 

 i, 139-141, i43~ I 47 J 74~ 

 176 



Dean on, i, 139 



in common eel, i, 141 



Gilbert on, i, 142 



figures showing, i, 140-142 



in brook lamprey, i, 140 



in sturgeon, i, 141 

 larval flounder, 



figure of, ii, 483 

 larval forms, 



of Chaetodon, i, 144 



figures of, i, 140-142 



of flounder, figured, i, 147, 



175, 176 



of lady-fish, i, 147 



of Lepidosiren, i, 620, 621 



of Mola, i, 143, 145 



of sailfish, i, 140 



of swordfish, i, 139 

 Lasianius, 



figure of, i, 580 

 Lateolabrax, i, 324; ii, 320 

 lateral fold, i, 64 



Balfour on, i, 71-73 



Kerr on, i, 72 



Mollier on, i, 71 

 lateral line, i, 9, 22, 23 



a mucous channel, i, 22 



Dean on, i, 23 



function of, i, 23 



relation to touch, i, 122 



in singing-fish, figured, i, 23 

 Lates, ii, 320, 330 

 Latham, i, 396 

 Latilidae, the, ii, 361, 363 

 Latilus, ii, 362 

 Latrididae, ii, 363, 364, 426 

 Latris, ii, 363 

 lavaret, ii, 65 

 lawyer, ii, 335, 538 

 Lay, i, 409 

 Leach, i, 396 

 leather-carp, {,151 

 leather-jackets, ii, 272, 413 

 Lebias, ii, 198, 201 

 lectocephalous condition, 



Gunther on, i, 142 

 Leidy, i, 426 



Leiognathidae, ii, 287, 348 

 Leiognathus, ii, 287 



Leiostomus, ii, 356 

 Leiuranus, ii, 150 

 length of intestine, i, 33 

 Lentipes, ii, 466 

 leopard toadnsh, 



figure of, ii, 525 

 Lepadogaster, i, 263; ii, 531 

 Lepechin, i, 396 

 Lepidaplois, ii, 390 



figure of, ii, 389 

 Lepidocottus, ii, 426, 449 

 Lepidopidas, 



family of, ii, 267 

 Lepidopsetta, ii, 493 

 Lepidopus, i, 210; ii, 267 

 Lepidorhombus, i, 206; ii, 



488 



Lepidosiren, i, 60, 73, 85, 89, 

 100, 149, 450, 619, 621, 

 622 



adult male, figured, i, 620 



larval forms, figured, i, 620 

 at 3 days, i, 620 

 at 30 days, i, 621 

 at 40 days, i, 621 

 at three months, i, 621 



pectoral fin in, i, 60 

 Lepidosirenidae, i, 88, 612, 619 

 Lepidostei, ii, 13, 26 



Huxley on, ii, 23 



Zittel on, ii, 23, 24 

 Lepidosteids, ii, 32 

 Lepidosteoidei, i, 382 

 Lepidotid32, ii, 24 

 Lepidotes, ii, 24 

 Lepidotrigla, i, 259; ii, 456 

 Lepisoma, i, 208; ii, 508 

 Lepisosteidae, i, 290; ii, ii, 



29. 30 



Lepisosteus, i, 32, 66, 85, 101, 

 102, 291, 314, 357, 604, 

 623; ii, 5, 6, 23, 29, 30, 

 32 



Agassiz on, ii, 5 

 Balfour and Parker on, ii, 5 

 Eastman on, ii, 32 

 figure of, i, 452; ii, 31 

 Gunther on, ii, 5, 7 

 Miiller on, ii, 517 

 tail of, figured, i, 82 

 Lepomis, i, 302; ii, 301 

 figure of, i, 4; ii, 300 

 Leptecheneis, 



figure of, i, 197; ii, 468 

 leptocardial tail, i, 81, 83 

 Leptocardians, i, 383 

 Leptocardii, i, 55, 482485 

 Leptocephalidae, ii, 149 

 Leptocephalus, i, 211; 11,148, 



149 



figure of, ii, 150 

 leptocercal tail, i, 50, 81, 83, 

 507, 602 



