LIST OF PLATES. 



387 



PLATE XL& . 

 PLATE XLL 



PLATE XLII. 



PLATE XLIIL - 

 PLATE XLIV. 

 PLATE XL V. 



PLATE XLVL- 



PLATE XL VII.- 

 PLATE XLVIII.- 



PLATEXLIX. 



PLATE L. 

 PLATE LI.- 



PLATE LIL- 



Figs. 5 8. Morrhua proxima, G-rd. p. 142. 

 Psettichthys sordidus, Grd. p. 155. 

 Figs. 1 3. Pimelodus olivaceus, Grd. p. 211. 



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

 Pimelodus olivaceus, G-rd. p. 211. 

 (This plate is to be suppressed.) 

 Pimelodus ailurus, Grd. p. 210. 

 Figs. 1 4. Mylocheilus fraterculus, Grd. p. 214. 



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

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



Figs. 5 8. Mylopharodon conocephalus, Grd. p. 216. 

 Mylopharodon robustus, Ayres. 1 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. 2630. 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 snumardi, 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. 2 p. 248. 

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



Figs. 6 10. 3 Cyprinella whipplii, Grd. p. 270. 



Figs. 11 15. 4 Moniana pulchella, Grd. p. 275. 



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



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



1 By error: MYLOPHARODON ROBUSTUS, Agass. 



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

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



3 By error : figs. 5 8. 

 4 By error: figs. 915. 



PLATE LIU.- 



PLATE LI 



PLATE LV.- 

 PLATE LVL- 



PLATE LVII.- 



PLATE LVIII.- 



