LIST OF PLATES. 



387 



Plate XL6 .— 

 Plate XLI. — 



Plate XLII.— 

 Plate XLIII.- 

 Plate XLIV.- 

 Plate XLV. — 



Plate XLVI.- 



Figs. 



-Figs. 



Fio-s. 



Plate XLVII.- 

 Plate XLVIIL- 



Plate XLIX. 



Plate L. — 

 Plate L I.- 

 Plate LII. 



Figs. 5 — 8. — Morrhua proxima, Grd. — p. 142. 



■Psetticlithys sordidus, Grd. — p. 155. 



Figs. 1 — 3. — Pimelodus oliv^aceus, Grd. — p. 211. 



Figs. 4—6. — Pimelodus catulus, Grd. — p. 208. 



Pimelodus olivaceus, Grd. — p. 211. 



(This plate is to be suppressed.) 



Pimelodus ailurus, Grd. — p. 210. 



•Figs. 1—4. — Mylocheilus fraterculm, Grd. — p. 214. 



5 — 8. — Mylocheilus lateralis, Agass. — p. 215. 



1 — 4. — Mylocheilus caurinus, Grd. — p. 213. 



5 — 8. — MylopharodoQ conocephalus, Grd. — p. 216. 

 Mylopharodon robustus, Ayres.' — p. 216. 

 Figs. 1 — 4. — Carpiodes damalis, Grd. — p. 218. 

 Figs. 5 — 9. — Moxostoma claviformis, Grd. — p. 219. 

 Figs. 1 — 4. — Ptychostomus haydeni, Grd. — p. 220. 

 Figs. 5 — 9. — -Acomus griseus, Grd. — p. 222. 

 Acomus lactarius, Grd. — p. 223. 

 Catostomus sucklii, Grd. — p. 226. 

 Figs. 1 — 5. — Hyborhynchus puniceus, Grd. — p. 232. 

 Figs. 6— 10.— Dionda grisea, Grd.— p. 230. 

 Figs. 11 — 15. — Hyborhynchus puniceus, Grd. — p. 232. 

 Figs. 16 — 20. — Hyborhynchus perspicuus, Grd. — p. 231. 

 Figs. 21— 25.— Dionda plumbea, Grd.— p. 228. 

 Figs. 26— 30.— Dionda spadicea, Grd.— p. 229. 

 ■Figs. 1 — 4. — Orthodon microlepidotus, Grd. — p. 237. 

 Figs. 5 — 8. — Hybognathus argyritis, Grd. — p. 235. 

 Figs. 1 — 4. — Lavinia exilicauda, B. & G. — p. 241. 

 Figs. 5 — 8. — Argyreus dulcis, Grd. — p. 243. 

 ■Pogonichthys communis, Grd. — p. 247. 

 ■Figs. 1 — 4. — Pogonichthys inaequilobus, B. & G. — p. 245. 

 Figs. 5—8. — Exoglossum mirabile^ Grd. — p. 256. 

 ■Figs. 1 — 4. — Alburnops shumardi, Grd. — p. 261. 

 Figs. 5 — 8. — Alburnops illecebrosus, Grd. — p. 262. 

 Figs. 9— 12.— Alburnellus dilectus, Grd.— p. 259. 

 Figs. 13 — 16. — Alburnops blennius, Grd. — p. 261. 

 Figs. 17— 21.— Gobio aestivalis, Grd.^— p. 248. 

 •Figs. 1 — 5. — Cyprinella umbrosa, Grd. — p. 266. 

 Figs. 6— 10.'— Cyprinella whipplii, Grd.— p. 270. 

 Figs. 11— 15.^— Moniana pulchella, Grd.— p. 275. 

 Figs. 16— 20.— Cyprinella notata, Grd.— p. 269. 

 Figs. 21— 25.— Cyprinella lepida, Grd.— p. 268. 



'^ By error: Mylopharodon robustus, Agass. 



*This species is described in tlie Report of tlie United States and Mexican Boundary Commission, in the accompanying 

 plates of which Gobio geUdua of the present report is figured. 

 ' By error : figs. 5 — 8. 

 ■•By error: figs. 9 — 15. 



Plate LITI. 



Plate LI 



Plate LV.- 



Plate LVI.- 



Plate LVII. 



Plate LVIII. 



