Eustomias, 159 

 Euthynnus, 319 

 Eventognathl 



action of jaws in, ISV, l^U, ivi 

 adipose fin in, 193 

 interparietal fontanelle in, IV^ 

 ingestion of food in, 191 

 mouth in, 189, 193 

 otoliths of, 193, 194 

 protrusile jaws of, 189 

 Evermann. see Jordan and Evermann 

 Evermandla 20\,¥ig.9\ 

 Evermannellids, 209-211 

 Evolution . 



of fishes in geologic t""^- "i" 

 irreversibility of, 123, 172, 290, 367 



^'Lbrvonic and larval stages of, 422^439 

 migration of, in Heterosomata, 344 

 moulding influence of, 439 



F 



Fenestration 



principle of, 149 

 progressive, 84 

 Fertilizatior 



internal, 223 

 Fierasfer, Fig. 257 

 relations of, 377 

 Fins 



adipose, 193 

 of teleosts, 301 

 Frstularia, Figs. 105, 289, 294 



skull of, 225 

 Flatfishes, see Heterosomata 

 Flying-fishes, see Synentognathi 



Correlation with modification of jaws, 



ingestion of, in eventognaths, 191, 193 

 of Gastroslomus, 213 

 of larval stages, 431 

 of Saccopharynx, 213 

 shape of mouth mflaenced by, 85, 41fe 

 444 

 Foramen, lateral cranial 



in mormvroids, 171, 174 

 Frost, G. Allan, see Otoliths 

 Fundulus, Figs. 96, 97. 296 

 mouth of, 416 

 pharyngeal bones in, 219 

 skull' of, 216, 223 

 Stockard's experiments on, 445 



Gadidse, 380 



Gadus, Figs. 258, 259 

 skull of, 381 



Galaxias, 156, Fig. 50 



Galaxiidse, 157 



Garman, Samuel 



Chaunax figured by, 410 



on relations of .-Xnacanthini, J/V 



Garplkes, see Lepidosteids 



INDEX 



Garstang, Walter 

 on adipose fin, 193 _ 

 classification of stomiatoids, IbU 

 on swim-bladder as basis for taxonomic 

 group, 173 . . , 



on osteoglossoid link with elopines, 166 

 on Weberian ossicles, 181 

 GasUTOpelecus 

 coracoids of, 185 

 skull of, 185 

 Gasterosteus, Figs. 102, 103 

 otoliths of, 230 

 skull of, 224, 229, 230 

 Gastrostomoids, 424 

 Gastroslomus, Fig. 94 

 mouth of, 416 

 skull of, 213 

 Graber, Vitus 



on mouth of carp, 189 

 Grammatorcynus, 319 

 1 Gempyta, Plate I 

 Gempylidse, 315 



vertebrae in, 301 

 Genypterus 



otolith of, 353 

 Germo, 319 

 Gerres, Fig. 126 

 otoliths of, 253, 374 

 skull of, 253 

 GerridE, 253, 254 

 Gigantactis, 403 

 Gilbert, Charles Henry 

 on Cattionymus, 332 

 Gills, 424 

 Glanencheli, 186 

 Gnathostomes 



common ancestr>' with Agnatha, 76 

 origin of orobranchial apparatus ot, 

 Gnathonemus, Fig. 63 

 Gomphosus, 257 

 Gonorhjmchida, 179 

 Gobiesocidae 



affinities of, 372 

 Gobioidea 



characters ot, 346 

 otoliths of, 350 

 Regan on, 350 

 relationships of, 349 

 Starks on, 350 

 Gobiesox, Figs. 249, 250 

 dentition of, 424 

 preopercular of, 427 

 Goby, unidentified. Figs. 227, 22V 

 Gonorhynchoidea, 175 

 Gonorhynchus, Figs. 65, 66 

 analysis of skull of, 176 

 dentition of, 177, 423 

 description of, 175 

 epibranchial organ in, 179 

 metapterygoid in, 177 

 mouth of, 416 ^ 



occipital condyle of, 17b 

 otolith of, 179 

 relations of, 175, 178 

 Gonosloma, Fig. 53 



473 



classification of, 137 

 otolith of, 160, 170, 214 

 suspensorium in, 158 

 Gonostomids, 426 

 Goodia, 220 

 Goodrich, E. S. 



on eyes in Salmo, 439 



on orobranchial apparatus of gnatho- 



stomes, 83 

 on protrusility, 424 

 Gourami, see Osphronemus 

 Gregory, William K. 



on body-forms of fishes, 4J2 

 on design in nature, 446 

 on habitus and heritage 444 

 on nomenclature 6f skull bones, 91, 92 

 Gudger, E. W. 



on Discocephali, 319 

 Gulpers, see Lyomeri 

 Gurnards, see Triglidae 

 Gymnarchus, Fig. 62 



specializations of, 173 

 Gymnophotodermi, 160 

 Gymnosarda, 319 

 Gymnotids 



classification of, 186 

 otoliths of, 181, 189 

 skull of, 189 



Weberian apparatus of, 181 

 Gymnotus, Figs. 72, 73 

 skull of, 189 



Habitus, 444 

 Haemulids, 248 

 Hamulon, Fig. 121 

 82 I skull of, 248 

 Hake, 204 



Halieuiichthys, Fig. 268 

 Halocypselus, Fig. 101 



skull of, 221, 223 

 Halosaurida:, 201 

 Halosauropsis 



photophores in, 161 

 primitive character ot, -W 

 Halosaurus, Fig. 81 

 characters ot, 200, 201 

 otoliths of, 201 

 HaplochitonidE, 157 

 Haplodoci, 382 

 Haplomi 



branchiostegals m, /1 + 

 classification of, 214 

 relation to isospondyls, 214 

 relation to scopeloids, 17.-> 

 Haplophryne, Fig. 280 

 description of, 407 

 lUicium of, 40S, 409 

 parietals retained in, 403 

 Haplophysi, 164 

 Harrison, Ross G. 



on "organizers," 447 

 Heintz, Anatol 

 on Dinkhthys, 100 



