5 io 



INDEX 



eye, 23; of Elasmobranchii, 



" 125 ; of Teleostei, 359 

 eye-muscle canal, 326 

 eye-muscles, 5 



Farnellia tuberculata, 194 



Fwras/er, 364, 419 ; F. 

 acns, 351/., 418/. ; F. 

 dentatus, 355/ 



Fierasferidae, 419 



tin, dorsal, 214./'. 



fin -ray. See radial and 

 dermal tin-ray 



fin - skeleton, mesorhachie, 

 monostichous, ortho- 

 stichous, pleurorachic, 

 rachiostichous, rhipido- 

 stichous, 106-8 



fin, skeleton, 69, 106 ; 

 concrescence, 75 ; con- 

 centration, 71, 75, 105 ; 

 migration, 79; of'Elasmo- 

 branchii, 127 



tin-spines, 374, 124 



fins, lateral-fold theory, 73 ; 

 gill-arch theory, 73 



fins, median, 32, 69, 70/; 

 development of, 71 



tins, paired, development 

 and origin of, 73, 107/; 

 of Elasmobranchii, 127 ; 

 of Pisces, 106 ; of Acti- 

 nopterygii, 302 ; jugular, 

 425 ; thoracic, 425 



Fistularia, 62,355,412/, 

 413 ; F. serrata, 413/ 



Fistulariidae, 413 



fulcra, 304 



Fundulits, 401 



Gadidae, 482 



Gadiformes, 478 



Gadomus, 478, 479, 481 



Gadopsis, 458 



Gadus, 62, 71, 272, 276, 

 352, 356, 471 /., 479 /., 

 482 ; G. morrhua, 221 /'., 

 278 f., 347 /., 364 /., 

 480/, 482/ 



Galaxias,Z98; G.truttaceus, 

 398/ 



Galaxiidae, 398 



Galeocerdo, 151 



Galeoides, 421 



Galeus, 151 



Gambusia, 401 ; G. affi/nis, 

 401 /. 



Ganodus, 178 



ganoid scale, 217 



gauoine, 218 



Ganorhynchus, 256 



Gasterosteidac, 412 

 Gasterosteiforines, 410 

 Gasterosteoidei, 411 

 Gasterostms, 349, 412 ; G. 

 aculeatus, 412 /. ; G. 

 spinachia, 410/., 411/ 

 Gastrochisma, 465 ; G. 



melanipus, 466/. 

 Gastromyzon, 375. 376 

 Gastrostomies, 407 

 Gastrotoceus, 415 

 Gavialiceps, 406 

 Gazza, 445 

 Gempylus, 466 

 Gemundina Sturtzii, 180 

 genital duet, 27, 89 ; of 

 Elasmobranchii, 132 ; of 

 Dipnoi, 253 ; of Teleo- 

 stomi, 366 

 genital pore, 46, 367 

 Genypterus, 460 

 Geophagus, 446 

 Geotria, 54 

 Gephyroberyx, 427 

 gephyrocercal tail, 355 

 Gerlachia, 456 

 Gerres, 445 

 Gerridae, 445 

 Gigantactinidae, 462 

 Gigantactis, 462 

 Gigantopte/rus, 336, 337 

 gills, of Cyclostomes, 41 ; 

 of Pisces, 93 ; of Teleo- 

 stomes, 272 

 gill-arch, 17 ; mandibular, 



18; hvoid, 18 

 gill-rakers, 150, 248 

 gill-rays, 73, 123, 272 

 gill-slits, 17. 93, 122 

 Ginglysmostoma, 149 



cirratum, 76/ 

 Girardinus, 401 

 girdle, pectoral, 73, 75 ; 

 dermal bones of, 213 ; of 

 Teleostome, 275 

 girdle, pelvic, 73, 75 ; origin 

 of, in Teleostomi, 276 ; of 

 Actinopterygii, 302 

 Glanidium, 383 

 Glaniopsis, 376 

 GlobvZodus, 313 

 Glyptotaenms, 285 

 Glyptohpis, 280, 285 : G. 



leptopterus, 282/ 

 Glyptopomidae, 285 

 Glyptopomus, 280, 281 /., 

 285; <>'. Kimiuirdi, 284/ 

 Gnathonemus, 389 

 Gnathostoniata, 58 

 Gnathostome, 6/, 7/ 

 Gobidae, 448 



G. 



Gobiesocidae, 456 



Gobiesox, 457 



Gobiiformes, 447 



Gobio, 368, 375 



Gobi its, 115 /., 356, 448 ; 



G. guttatus, 447 f. 

 gonad, 28 

 Gonatodus, 310 ; (-'. pxinc- 



tut as, 308/ 

 Gonorhynchidae, 395 

 Gonorhi/nchits, 395 ; G. 



grey i, 395/ 

 Gonostoma, 395 

 Gonostomatinae, 395 

 Gosfordia, 258 

 Grammisies, 431 

 gular plates, 213, 304 

 Gymnarchidae, 389 

 Gymnarchus, 363, 388, 389 

 Gymnelis, 459 

 Gymnodontes, 439 

 Gymnodraco, 456 

 Gynniotidae, 376 

 Gymnotus, 377, 404 ; G. 



electricus, 376, 377/ 

 Gyracanthidae, 192 

 Gyracanthus, 192, 193 ; G. 



Murrayi, 193/ 

 Gyrodus, 340 

 Gyrolepis, 311 

 Gyroptychius, 285 

 Gyrosteus, 317 



Hue hi ul mi, 445 



Halec, 398 



Ilalinwchini rgus, 437 



Haloporphyrus, 482 



Halosauridae, 417 



Halosaurqpsis, 417; 11. 

 nigerrimus, 417 



Halosaurus, 417 



Haplistia, 283 



Haplochilus, 401 



Haplochiton, 398 



Haplochitoriidae, 398 



Haplodactylidae, 445 



Haplodactylus, 445 



Haplomi, 397 



Harpodon, 399 



llurriottu, 173, 178 ; //. 

 elegans, 177 / ; //. 

 Raleighana, 179/ 



heart, of Cyclostome, 43 ; 

 of Dipnoi, 249 ; of 

 Pisces, 109 ; of Tele- 

 ostei, 363 



Height, 376 



Heliastes, 446 



Helicophagus, 380 



ffelicoprion, 147 ; //. besso- 

 novi, 148/ 



