CONTENTS. XIX 



CLASS III. PISCES— Continued. 



Order M. Nematognathi— Continued. 



Familij XXXV. LoricariUhe — Continuou. Pago. 



Subgenus Loricaria 159 



250. variegata, Steindachner 15!) 



Genus 85. Hemiaucistrus, Bleeker 159 



257. guacharote (Cuvier & Valenciennes) 159 



258. aspidulepis (Giinther) 159 



Genus 80. Chretostomus, Kuer 100 



259. fischeri, Steindachner IGO 



Gonu.s 87. Anci.strus, Kuer 100 



200. chagrosi, Eigeumann & Eigenmann 160 



Order N. Pi.ectospondyli 160 



Suborder Eventoonatiti 161 



Famili/ XXXVI. Catostomidx 161 



Genus 88. Ictiobus, Rafinesque 103 



Subgenus Sclerognathus, Cuvier & Valencienne.s 163 



201. cyprinella (Cuvier &. Valenciennes) 163 



Subgenus Ictiobus 164 



202. urus (Agassiz) 164 



263. meridionalis (GUnther) 164 



264. bubalus (Biifinesque) 164 



Genus 89. Carpiodes, Uafiuesque 165 



265. carpio (Kafiuosque) 166 



266. difformis, Cope 100 



267. thompsoni, Agassiz 167 



268. velifer (Rafinesque) 167 



269. cyprinus (Le Sueur) 168 



Genus 90. Cycleptus, Rafinesque 168 



270. elongatus(Le Sueur) 168 



Genus 91. Pantosteus, Cope 169 



271. arizona^, Gilbert., 170 



272. generosus (Girard) 170 



273. plebeius (Baird & Girard) 170 



274. delphimis (Cope) 171 



275. guznianiensis (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 



284. rex, R. S. Eigenmann 177 



Subgenus Decactylus, Rafinesque 177 



285. labiatus, Ayres 177 



286. occidentalis, Ayres 178 



287. bernardiui, Girard 178 



288. macrocUeilus, Girard 178 



289. commersonii (LacepOde) i 178 



290. ardens, Jordan & Gilbert 179 



291. gila, KirscU 180 



292. insignis, Baird * Girard 180 



293. fecundus, Cojie & Yarrow 180 



Subgenus Ilypenteliuni, Rafinesque 181 



294. nigricans, Le Sueur 181 



295. rhothoecus, Thoburn 181 



