740 
INDEX 
Eurycormus, 499 ; . speciosus, vertebrae, 
203 
Eurynotus, 487, 488 ; E. crenatus, 487 
Eurypharynx, GOL 
Eurypholis, G09 
Eusthenopteron, 478, 202, 246 ; £. foordi, 
479 
Euthacanthus, 441 
Buthynotus, 204 
Eutropiichthys, 587 
Eutropius, 588 
Exocoetoides, 615 
Exocoetus, 638, 161, 173, 353, 411 
Exoglossum, 582 
Exostoma, 588, 586, 587 
External characters, Cyclostomata, 150 f. ; 
Fishes, 152 f. 
Eycleshymer, 592 n. 
Eye, 155, 393, 394, 395; degeneration 
in deep-sea and cave Fishes, 394 ; tele- 
scopic, 395 
Eyelids, 395 
Facciola, 685 n. 
Fatio, 569 n. 
Felchen, 568 
Fierasfer, 625, 622, 399; F. acus, 156, 
626 
Fierasferidae, 625, 623 
File-Fishes, 724 
Filippi, 690 n. 
Fins, of Fishes, 156 ; median, 156 ; paired, 
157; pectoral, 157 ; lobate, 157; pelvic, 
158 ; caudal, 159; modified to form 
suckers, 161; degeneration and atrophy, 
162; endoskeletal elements, 234, 235, 
236, 237, 239, 240, 241, 242, 243, 244, 
245, 246; exoskeletal elements, 158, 
234, 236 
Fin-rays, of Amphioxus, 120; of Fishes, 
158, 234, 236 
Fishes, 141 f.;. systematic position and 
classification, 141; external features, 
152; coloration, 164; poison glands, 
176; phosphorescent organs, 178 ; skin 
and scales, 182; skeleton, 193; denti- 
tion, alimentary canal, and digestive 
glands, 247; respiratory organs, 277 ; 
air-bladder, 297; vascular system, 
lymphatics, and blood-glands, 313; 
muscular system, locomotion, sound- 
producing organs, and electric organs, 
349; nervous system and organs of 
special sense, 367; kidneys and re- 
productive organs, breeding, 397 ; 
systematic, 431 f. 
Fishing-Frog, 718 
Fistularia, 632, 154; F. tabaccaria, 632 
Fistulariidae, 632, 628 
Flat-Fishes, 685 
Flounder, 687 ; coloration, 167, 170 
Flute-mouths, 154 
Flying- Fish, 638, 161, 173, 358, 411; 
fresh-water, 559 
Flying Gurnards, 701, 355, 361 
Fol, 28 
Forbesella, 75; F. tessellata, 76; dorsal 
tubercle, 79 
Forskal, 36 
Fowler, 23 
Frilled Sharks, 443 
Fritillaria, 69, 70; FI. furcata, 70; F. 
megachile, 66 
Fritsch, 551, 591 n. 
Frost-Fish, 679 
Fundulus, 616 
Gadidae, 647, 702, 158, 308, 307, 361, 
389, 412; photophores, 179 
Gadomus, 647 
Gadopsis, 709 
Gadow, 193 n. 
Gadus, 645, 168 ; G. aeglefinus, 649, 308, 
361; G. luscus, 649; G. merlangus, 
649 ; coloration, 168; pyloric caeca, 
275; G. morrhua, 648, 648 ; vertebrae, 
205; skull, 230; pseudobranch, 284 ; 
air-bladder, 303 ; red gland, 307, 308 ; 
vascular system, 320, 323, 336, 337; 
spleen, 343 ; sounds, 361 ; G'. pollachius, 
649; G. virens, 649; sensory canals, 
386 ; tail, 646 
Gagata, 588 
Galaxias, 607, 608; G. attenuatus, 607, 
608 ; G. brevipinnis, 607 
Galaxiidae, 607, 606, 163, 405; distribu- 
tion, 607 
Galeichthys, 588, 587, 593 
Galeocerdo, 448; G. 
tigrinus, 448 
Galeoides, G41 
Galeus, 449, 298 ; G. canis, 449 
Gambusia, 616 ; development of embryos 
in ovisacs, 418 
Ganodus, 474 
Ganoidei, 149 
Gar-Fish, 411 (Belone) 
Gar-Pike, 638 (Belone), 503 (Lepidosteus) 
—see also Lepidosteus 
Garman, 616 n., 619, 698 n. 
Gastric glands, 270 
Gastrochisma, 678 
Gastromyzon, 582 ; 
sucker, 162 
Gastropelecus, 575 
Gastrosteidae, 629, 
631 
Gastrosteus, 630, 163, 169, 271, 288; G. 
aculeatus, 357, 630; pectoral arch of, 
630; G. pungitius, 680; G. spinosus, 
354; G. texanus, 631 n. 
Gastrostomus, GO4 
Gastrotoceus, 634, 635 
arcticus, 448; G. 
G. borneensis, 586 ; 
627 ; distribution, 
' Gastrula, 20, 56, 130, 131 
