468 



I'ATAGOXIAX expeditions: ZOOLOGY. 



A I. Plagioscioii squaiiiosissiinus (Meckel), 



J. & F.., 1418 



SciaVKi nihilla Schomburgk; Jolmius 



crouviiiii and aiiiazouicus Castelnau ; 



Corvina monacantha Cope. 



Habitat: Brazil and Guiana. 



2. Plagioscioii hetcrolepis (Bleeker), 



J. & K., 1419. 

 Habitat: Surinam. 



3. Plagioscioii tcrncizi Boulcngcr, 



Boulenger, 1896, 25. 

 Habitat: Paraguay Basin. 

 A4. Plagioscioii surinainciisis (Bleeker), 



J. & K., 1419. 

 Scicciia iiiagdalciuc Steindachner. 

 Habitat : Rio Magdalena to Para. 

 A5. Plagioscioii auratus Castelnau, 



Giinther, II. 281. 

 Habitat: Rivers of Brazil. 



P.ACHYURUS Agassiz. 

 Lepipicrus Cuvier & Valenciennes. 



Type : Pachyurus squamipinnis Agassiz. 

 Range: Amazons; Paraguay; Rio San 

 Francisco. 

 Ai. Pachyurus squamipinnis Agassiz, 



Jordan & Eigcnmann, 1889, 69. 

 Pachyurus luudii Reinhardt. 

 Habitat: Rio San Francisco and tribu- 

 taries; Para. 

 2. Pachyurus francisci (Cuvier & Valen- 

 ciennes), 



Jordan & Eigcnmann. iSSg, 412. 

 Pachyurus corvina Reinhardt. 

 Habitat: Rio San Francisco and tribu- 

 taries. 

 3. Pachyurus bonarieiisis Steindachner, 



Jordan & Eigcnmann, 1889, 412. 

 Sciccna adusta Hensel. 

 Habitat: La Plata Basin; Rio Grande 

 do Sul. 

 A4. Pachyurus schoviburgki Giinther, 



Jordan & Eigcnmann, 1889, 412. 

 Pachyurus naitereri Steindachner. 

 Habitat: Amazons and tributaries; 

 Paraguay. 



P.VCHVPOPS Gill. 



Type: Micropogon irifilis Miiller & 



Troschel. 

 Range: Guiana to the Gua])ore and 

 southeastern Brazil. 

 A I. Pachypops furcrccus (Lacepede), 



Jordan & Eigcnmann, 1889, 413. 



Corvina biloba Cuvier & Valenciennes. 



Habitat: Rivers of Brazil and Guiana. 



A2. Pachypops trifilis (Miiller & Troschel) , 



Jordan & Eigcnmann, 1889, 413. 



Habitat: Rio Guapore to Guiana. 



3. Pachypops adspcrsus (Steindachner), 



Jordan & Eigcnmann, 1889, 414. 

 Corvina grunnicns Schomburgk. 

 Habitat: Southea.stern Brazil. 



Family PERCID^. 



Etiieostom.\ Rafincsque. 



Type : Hthcostoina flabellare Rafin- 



esque. 

 Range: Rio Mezquital north through 



Atlantic slope of America. 



(Rafinesquiellus Jordan & Evermann.) 

 (Type: Aplesion pottsii Girard.) 



I. Etheostoma pottsii (Girard), 



Meek, 197. 



Etheostoma micro pterus Gilbert. 



Habitat : Headwaters of Rio Mezquital 

 (Pacific slope), and Rio Conchos and Rio 

 .N'azas (.\tlantic slope). 



