CHECK-LIST OF NORTH AMERICAN FISHES. 231 



197. Netuma kessleri (Steiudacbner). 



Altata to Panama. 



Arius kessleri Steindachner, Ichth. Beitr., iv, 24, 1876, Altata; Panama. 



198. Netuma insculpta (Jordan & Gilbert). 



Panama. 



J)-(i<si«.sri</jj/;(s Jordan & Gilbert, Bull.U. S. Fish Com. 1882(1883), 41, Panama. 



199. Netuma planiceps (Steindachner). 



Altata to Panama. 



Arius planiceps Steindachner, Ichth. Beitr., iv, 1876, 26, Altata; Panama. 



200. Netuma platypogon (Giinther). 



Gulf of California to Peru. 



Arius platypogon Giinther, Cat., V, 147, 1864, San Josd de Guatemala. 



201. Netuma oscula (Jordan & Gilbert). 



Panama. 



Arius osculus Jordan & Gilbert, Bull. U. S. Fish Com. 1882 (1883), 46, Panama. 



202. Netuma elattura (Jordan & Gilbert). 



Panama. 



Arius elatturus Jordan <Sc Gilbert, Bull. U. S. Fish Com. 1882 (1883), 45, Panama. 



203. Netuma insularum Flora Hartley Greene. 



Galapagos Islands. 



Netuma insularum Flora Hartley Greene, in Jordan & Evermann, Fishes North 

 and Middle America, 73, 1896, Galapagos Islands. 



Genus 73, TACHYSURUS Lacepede. 



Tachysurus Lac6pede, Hist. Nat. Poiss., v, 151, 1803 (cMnensis). 



204. Tachysurus uuchalis (Giinther). 



Guiana. 



Arius nuchalis Giinther, Cat., v, 171, 1864, British Guiana. 



205. Tachysurus fissus (Cuvier & Valenciennes). 



Surinam. 



Arius fissus Cuvier &, Valenciennes, Hist. Nat. Poiss., xv, 107, 1840, Cayenne. 



206. Tachysurus spixii (Agassiz). 



Coast of Guiana and Brazil, south to Santos. 



Pimelodus spixii Agassiz, Gen. Spec. Pise. Brasil., 19, 1829; after Spix. 



207. Tachysurus melanopus (Giinther). 



Both coasts of Central America; RioMotagua; Panama. 

 Arius melanopus Giinther, Cat., v, 172, 1864, Rio Motagua. 



208. Tachysurus furthii (Steindachner). 



Panama. 



Arius furthii Steindachner, Ich. Beitr., iv, 29, 1876, Panama. 



209. Tachysurus liropus Bristol. 



San Juan Lagoon, Rio Ahome, Sonora. 



Tachysurus liropus Bristol ms., San Juan Lagoon, Rio Ahome, Sonora. 



210. Tachysurus variolosus (Cuvier & Valenciennes). 



Cayenne, French Guiana. 



Arius variolosu.v Cuvier & Valenciennes, Hist. Nat. Poiss., xv, 107, 1840, 

 Cayenne, I'rench Guiana. 



211. Tachysurus multiradiatus (Giinther). 



Rio Bayano, near Panama. 



Arius multiradiatus Giinther, Cat., v, 173, 1864, Rio Bayano; after Kner. 



