INDEX 
517 ; hibernation, 517 ; nest, 517 ; fila- 
ments on pelvic limb of male, 517 ; 
larva, 517, 518 
Lepidosirenidae, 577 | 
Lepidosteidae, 502 
Lepidosteoidei, 495 f. | 
Lepidosteus, 503, 149. 153, 160, 258, 262, | 
273, 274, 283, 284, 291; scales, 185, | 
186, 188; vertebral column, 201, 202, 
204; skull, 229; alimentary canal, 257; 
spiral valve, 268; pyloric caeca, 274 ; 
air-bladder, 297, 299, 310; spiracular 
pseudobranch, 334, 335; branchial cireu- 
lation, 334 n., 336; brain, 376; gonads, | 
400, 402, 405, 407 ; segmentation of the 
ege, 409; distribution, 503; habits, 
503 ; breeding, 503 ; larvae, 504 ; fossil, 
504; Z. osseus, 503, 504; L. platy- 
rhynchus, pectoral fin, 243; L. platy- 
stomus, 503; L. viridis, 503 
Lepidothynnus, 678 
Lepidotrichia, 234 
Lepidotrigla, 701 
Lepidotus, 498 ; L. minor, 497 
Lepomis, 657 
Lepophidium, 713 
Leporinus, 970 
Leptagoniates, 575 
Leptecodon, 623 
Leptichthys, 563 
Leptobarbus, 582 
Leptocephalid, of Adbula, 548 
Leptocephalus, 600, 21 n.; L. brevirostris, 
602 
Leptochilichthys, 570 ; 
Leptoclinum, S87; section, 86; spicules, 
87; L. neglectum, 80 
Leptoderina, 470 
Leptodoras, 588 
Leptolepididae, 546, 544 
Leptolepis, 546; L. dubius, 546 
Leptopterygius, 709 
Leptoscopidae, 705, 703 
Leptoscopus, 705 
Leptosomus, O11 | 
Leptotrachelus, 623 | 
Lethrinus, 665 
Leucaspius, 582 
Leuciscus, 582, 288 
Leuckart, 37 
Leucosomus, 582 
Levinsen, 23 
Leydig, 584 n. 
Lichia, 677 
Ling, 649 
Linophryne, 719 
Liocassis, 588 
Liocetus, 719 
Lionurus, 647 
Liopropoma, 659 
Liparis, 698, 699, 411 
Liparops, GIS 
745 
Lipogenyidae, 624, 622, 623 
Lipogenys, 624; L. gillii, 624 
Liposarcus, 595 
Lirus, O43 mae medusophagus, 6485 2. 
perciformis, 643 
Liuranus, 601 
Liver, 271 ; of Amphioxus, 121, 123 
Loaches, 585, 261, 290, 292 ; Pond Loach, 
585 
Lobotes, G58 
Lobotidae, G58, 653 
Locomotion of Fishes, 349 f., 351 
Lohmann, 66 
Longchamps, de Selys, 29 
Lophiidae, 728 
Lophiomus, 718 
Lophius, 718, 153; L. piscatorius, 718, 
355; lure, 161, 173; teeth, 250 
Lophobranchii, 628, 543, 629 
Lopholatilus, 661; L. chamaeleonticeps, 
661 
Lophotes, 716 
Lophotidae, 716 
Lorenzini’s ampullae, 384 
Loricaria, 595, 292 
Loricariidae, 594, 575, 
Loricariinae, 495 
Lota, G48 ; L. vulgaris, 649 
Lotella, G48 
Lowig and K6lliker, 37 
Lucifuga, 712, 713, 395; L. subterranea, 
361 
Luciobrama, 582 
Luciocephalus, 669 
Luciogobius, G89 
Lucioperca, 659 
Luciosoma, 582 
Lump-Sucker, 699, 162, 321, 408, 415 
Lumpenus, 709 
Lunel, 635, 682 n. 
Lutjaninae, 660 
Lutjanus, 660 
Liitken, 614 n., 682 n., 714 n. 
Lutodeira, 256 
Luvaridae, 687, 676 
Luvarus imperialis, GST 
Lycocara, 712 
Lycodes, 712, 702 
Lycodontis, 605 
Lyconus, 647 
Lycoptera, 646 
Lymph-hearts, 342 
Lymphatic system, 342 
Lymphoid tissue, 348 
Lyomeri, 622 
Lyosphuera, 726 
256, 292 
MacBride, 16, 31 n., 113, 133 n. 
M‘Intosh and Masterman, 565 n. 
Mackerel, 678, 168, 275, 302 
Macquaria, 659 
Macrius, 705 ; M. amissus, 705 
