CONTENTS. XIX 



CLASS III. PISCES Continued. 



ORDER M. NEMATOGNATHI Continued. 



Fiimili/ XXXV. Loricariidte Contiuucu. Page. 

 Subgenus Loricaria 159 



256. variegata, Steimlachner 15!) 



Genus 85. Hemiaucistrus, Sleeker 159 



257. guacharote (Cuvier & Valenciennes) 159 



258. aspidolepis (GUnther) 159 



Genus 86. Chaetostomus, Kuer 160 



259. fischeri, Steindachuer 160 



Genus 87. Ancistrus, Kner 160 



260. chagresi, Eigeumaun & Eigenmann 160 



ORDER N. PLECTOSPONDYLI 160 



SUBORDER EVENTOGNATHI 161 



Family XXXVI. Catoslomidse 161 



Genus 88. Ictiobus, Rafinesque 163 



Subgenus Sclerognathus, Cuvier & Valenciennes 163 



261. cyprinella (Cuvier & Valenciennes) 163 



Subgeuus Ictiobus 164 



262. urns (Agassiz) 164 



263. meridioualis (Giinther) 164 



264. bubalus (Rafinesque) 164 



Genus 89. Carpiodes, Rafinesque 165 



265. carpio (Rafiuesque) 166 



266. difformis, Cope 166 



267. thompsoui, Agassiz 167 



268. velifer (Rafinesque) 167 



269. cyprinus (Le Sueur) 168 



Genus 90. Cycleptus, Rafinesque 168 



270. elougatus (Le Sueur) 168 



Genus 91. Pantosteus, Cope _ 169 



271. arizonse, Gilbert 170 



272. generosus (Girard) 170 



273. plebeius (Baird & Girard) 170 



274. delphinus (Cope) 171 



275. guzmaniensis (Girard) 171 



276. jordani, Evermanu 171 



277. araeopus (Jordan) 172 



278. clarki (Baird & Girard) 172 



Genus 92. Catostomus, Le Sueur 173 



Subgenus Catostomus 174 



279. latipinnis, Baird & Girard 174 



280. griseus (Girard) 175 



281. pocatello, Gilbert & Evermann 175 



282. catostomus (Forster) 176 



283. tahoensis, Gill & Jordan 177 



2.84. rex, R. S. Eigenmann 177 



Subgenus Decactylus, Rafinesque 177 



285. labiatus, Ayres 177 



286. occidentalis, Ayres 178 



287. bernardini, Girard 178 



288. macrocheilus, Girard 178 



289. commersonii (Lacepede) 178 



290. ardens, Jordan & Gilbert 179 



291. gila, Kirsch 180 



292. insignis, Baird & Girard 180 



293. fecuudus, Cope & Yarrow 180 



Subgenus Hypentelium, Rafinesque 181 



294. nigricans, Le Sueur 181 



295. rhothcecus, Thoburn 181 



