xiv Systematic Arrangement. 



CLASS PISCES Continued. Page. 



SUBCLASS TELEOSTOMI Continued. 

 ORDER KEMATOGNATHI Continued. 

 Family Loricariidce Continued. 



Genus Loricaria, Linnaeus Continued. 



Subgenus Loricaria 150 



variegata, Steindachner 159 



Genus Hemiancistrus, Bleeker 159 



guacharote (Cuvier & Valenciennes) 159 



aspidolepis (Giinther) 159 



Genus Chaetostomus, Kner 160 



fischeri, Steindachner.... 160 



Genus Ancistrus, Kner 160 



chagresi, Eigenmann & Eigenmann 160 



ORDER PLECTOSPONDYLI 160 



SUBORDER EVENTOGNATHI 161 



Family Catostomidce 161 



Genus Ictiobus, Rafinesque 163 



Subgenus Sclerognathus, Cuvier & Valenciennes 163 



cyprinella (Cuvier & Valenciennes).- 163 



Subgenus Ictiobus 164 



urus (Agassiz) 164 



meridionals (Giinther) 164 



bubalus (Rafinesque) 164 



Genus Carpiodes, Rafinesque 165 



carpio (Rafinesque) 166 



difformis, Cope 166 



thorn psoni, Agassiz 167 



velifer (Rafinesque) 167 



cyprinus ( Le Sueur) '. 168 



Genus Cycleptus, Rafinesque.... 168 



elongatus (Le Sueur) 168 



Genus Pantosteus, Cope 169 



arizonae, Gilbert 1.70 



generosus (Girard) 170 



plebeius (Baird & Girard) 170 



delphinus (Cope) 171 



guzmaniensis (Girard) 171 



jordani, Evermaun 171 



araeopus (Jordan) 172 



clarki (Baird & Girard) 172 



Genus Catostomus, Le Sueur 173 



Subgenus Catostomus 174 



latipinnis, Baird & Girard 174; 2790 



discobolus, Cope 175; 2791 



griseus (Girard) 175 



retropinnis, Jordan 2791 



pocatello, Gilbert & Evermann 175 



catostomus (Forster) 176 



rimiculus, Gilbert & Snyder 2792 



snyderi, Gilbert 2792 



tahoensis, Gill & Jordan 177 



Subgenus Decactylus, Rafinesque 177 



occidentalis, Ayres.' 178; 2792 



tsiltcoosensis, Evermann & Meek . . .* 2793 



bernardini, Girard 178 



macrocheilus, Girard 178 



commersonii, Lacepede 178 



ardens, Jordan & Gilbert 179 



