Jordan and Everwann. Fishes of North America. 133 





reaching almost to occipital process; bones of head roughly granular 

 and sculptured; occipital process as long as broad; fins pale. Rio Bay- 

 ano, near Panama. An ally of T. fiirthii, apparently distinguished by the 

 longer anal fin. (Kner.) (multus, many ; radiatus, rayed.) 



/;,(,/,)(.< <i,fiW, KNFK. Sity.lT. Akad. Wiss., Miinchon, 1863, 227, not of Cuvier & Valenciennes; 



and KXKR & STEINDACHXER, Bayer Akad., 1864, 47. 

 ,lr/s HiultiriHlialii*, GINTHER, Cat., v, 173, 1864; (after Kner), Rio Bayano. 



75. CATHOROPS, Jordan & Gilbert. 



C<ttfi< <>}>*, JORDAN & GILBERT, Bull. F. S. Fish Comm., 1882, 54, (hypophthalmnt). 



This group is closely allied to the typical section or genus of Tachysurm. 

 It is distinguished chiefly by the slender and numerous gill rakers and by 

 the low insertion of the eyes, suggesting the genus Hypoplitlialmus. The 

 wo species are American, (/mtfopdw, to look down ; d>i/>, eye.) 



a. Upper jaw much produced; breadth of mouth 2% i head. HYPOPHTHALMUS, 204. 



(i!/. I'pperjaw scarcely produced; breadth of mouth 2 in head. OULOSUS, 205. 



204. CATHOROPS HYPOPHTHALMUS, (Steindachner). 



Head3|. A. 22. Body elongate; head long, narrow, depressed; palan- 

 tine teeth small, bluntly conic, almost granular; vomermo bands widely 

 separate, each confluent with the large palatine band, which is not pro- 

 duced backward ; both jaws thin, depressed, with narrow bands of teeth ; 

 barbels very long; the maxillary reaching near middle of pectoral spine; 

 dorsal spine long; pectoral shorter; dorsal shield small; occipital pro- 

 cess subtriangular, longer than broad, its sides concave, its middle 

 angular but not keeled; fontanelle long and narrow, not quite reaching 

 occipital process; shields of head rugose, with reticulating furrows. Fins 

 mostly pale. Eye small, placed low, its middle below level of angle of 

 mouth. L. 14 inches. Panama, rather scarce. (iVo, below; o0#aA/zoc, 

 eye.) 



Arinx li>/pr>p]itlialmuit, STEINDACHNER, Jchth. Beitr., iv, 31, pi. x, 1875, Panama. 

 205. CATHOROPS GTJLOSUS, (Eigenmann & Eigenmann). 



Head 3^. A. 23. Body slender; head broad, depressed; width of head 

 H in its length; occipital process about as broad as long, obtusely 

 keeled; fontanelle narrow, continued backward as a groove; bones of 

 head rugose; eye oblique, its center over posterior end of mandible, on 

 level of angle of mouth; barbels reaching nearly to middle of pectoral; 

 jaws very thin; no vomerine teeth; palatine teeth widely separated, in 

 very narrow bands, the teeth obtusely conical; gill membranes united, 

 with free margin. Gill rakers 12 -f 30, H times diameter of eye; pectoral 

 pore large; spine slender, rather long. Panama. (Eigenmann.) (gulosux, 

 large-mouthed.) 



Ta,-l,*,mi* gtilosn*, EIGENMANN & EIGENMANN, Proc. Cal. Ac. Sci., 1888, 146, Panama; KIOKN- 

 MAN-X, S. A. Nematognathi, 93, 1890. 



76. ICTALURUS, Rafinesqne. 



(CHANNEL CATS.) 



TlAFiNF.so.rE, Tchth. Oh., 61, 1820, (macuhitns=p>nicl<dn.*). 

 , UAKIXESO.CE, /. c., 61, (mcfiilctlits). 



GILI,, Ann. Lye. Nat. Hist. N. Y., 1859, 39, (beadlei=punctaiu8). 



