Index, 



Page 



sonorensis. (Catostomus) 32 



sonorensis. (Girardinus) 150 



Southern Dace 79 



spadicea. (Lampetra) 2 



Sparus aureus 193 



speciosa. (Gambusia) 131 



speciosus. (Pomotis) 193 



sphenops. (Poecilia) 153 



sphyfasna. (Chirostoma) 177 



Spiny-rayed Fishes 164 



starksi. (Siphostoma) 163 



starri. (Pomadasys) 200 



steindachneri. (Cichlasoma) 210 



Stone-roller 42 



Stypodon 51 



Stypodon signifer 51 



Suckers 24 



Suckers, Fine-scaled 31 



Suckers, Mountain 30 



Suckers, Razor-back t,2 



Suckers, Red-horse 34 



Sunfish 192 



Sunfishes 189 



Symbranehia 89 



Symbranchidae 89 



Symbranchoid Eels 89 



Symbranchus 89 



Symbranchus marmoratus 89 



Synentognathi 160 



Syngnathidae 162 



Syngnathus pelagicus 162 



Tachysurinas 9 



taiasica. (Awaous) 233 



taiasica. (Chonophorous) 233 



taiasica. (Gobius) 232, 233 



tarascormu. (Algansea) 47 



telfairii. (Agonostomus) 186 



templei. (Pomasys) 201 



temporatus. (Heros) 215 



tenuis. (Cynodonichthys) 101 



teretulus. (Phenacobius) 76 



Tetard, Guavina 228 



Tetragonopterinaa 84 



Tetragonopterus 84 



Tetragonopterus aeneus 86 



Tetragonopterus argenteus 84 



Tetragonopterus argentatus 85 



Tetragonopterus fulgens 85 



Tetragonopterus mexicanus 85 



Tetragonopterus nitidus 85 



Vol. V. 251 



Page 



Tetragonopterus oaxacanensis .... 86 



tetropthalmus. (Anableps) 135 



Thorichthys 222 



Thorichthys affinis 222 



Thorichthys aureus 222 



Thorichthys ellioti 222, 223 



Thorichthys fredrichsthali 222 



Thorichthys helleri 223, 224 



Thorichthys longimanus 222 



Thorichthys rostratus 222 



Thyrina 184 



Thyrina crystallina 184 



Thyrina evermanni 184 



Tigoma conspersa 56 



Tigoma intermedia 56 



Tigoma nigrescens 55 



Tigoma pulchella 55 



Tigoma pulchra 55 



tincella. (Algansea) 44 



tincella. (Leuciscus) 44 



tlahuacensis. (Evarra) 78 



Torrentaria 196, 197 



toweri. (Goodea) 138 



tristoechus. (Esox) 6 



tristoechus. (Lepidosteus) 5,6 



tristoechus. (Lepisosteus) 6 



Tropical Catfish 11 



Tropical Garpike 7 



tropicus. (Atractosteus) 7 



tropicus. (Lepidosteus) 7 



tropicus. (Lepisosteus) 7 



Trout 95 



Trout, Gila 53 



Trout, Rainbow 96 



Trucha 186 



truncata. (Belone) , 160 



tumidus. (Carpiodes) 26, 27 



tumidus. (Ichthyobus) 26 



tumidus. (Ictiobus) 26 



Tylosurus 160 



Tylosurus cantrainii 160 



Tylosurus marinus 160 



tvrannus. (Anguilla) 90 



undecimalis. (Sciasna) 199 



unilineatus. (Hemigrammus) 87 



uninotatus. (Girardinus) 134 



variatus. (Characodon) 120 



variatus. (Platypoecilus) 146 



variegata. (Skiffia) 143 



