440 



PATAGONIAN EXPEDITIONS: ZOOLOGY. 



A2. Thoracocharax pectorosus (Garman). 



Habitat: Amazons. 



4. Thoracocharax maculatus (Steindach- 

 ner). 



Habitat : Panama. 



CHALCINUS Cuvier & Valenciennes. 



Triportheus Cope. 



Type: Chalcinus brachypomus Cuvier 



& Valenciennes - Chalceus angulatus 



Agassiz. 

 Range: Magdalena to Guiana and 



south to Rio San Francisco on the 



east, and the La Plata Basin on the 



west. 



1. Chalcinus pictus Garman. 



Habitat : Jutahy. 



2. Chalcinus paranensis Giinther. 



Habitat : Parana and Paraguay rivers 

 Aj. Chalcinus angulatus Spix. 



Chalcinus brachypomus Cuvier & Va- 

 lenciennes; Chalcinus mulleri Phil- 

 ippi ; Chalcinus trijurcatus Castel- 

 nau; Chalcinus nematurus Kner; 

 Triportheus flavus Cope. 

 Habitat: Orinoco; Amazons; Para- 

 guay. 

 A4_ Chalcinus angulatus curtus Garman. 



Habitat: Paraguay; Amazon. 

 A5. Chalcinus angulatus vittatus Garman. 



Habitat: Amazon. 

 6. Chalcinus angulatus signatus Garman. 



Habitat: Rio Puty. 

 A 7. Chalcinus angulatus fuscus Garman. 



Subfamily 



AGONIATES Muller & Troschel. 

 Type: Agoniates halecinus Muller & 



Troschel. 



Range that of the single species. 

 i. Agoniates halecinus Muller & Troschel. 

 Habitat: Guiana. 



PIABUCUS Oken. 



Type : Salmo argentinus Linnaeus = 

 Piabucus dentatus Koalreuter. 



Habitat : Amazon. 

 A8. Chalcinus guntheri Garman. 



Chalceus rotundatus Schomburgk; 

 Chalcinus brachypomus Giinther 

 (non Cuvier & Valenciennes). 

 Habitat: Guianas; Amazon; San Fran- 

 cisco. 

 Ag. Chalcinus albus (Cope). 



Chalcinus knerii Steindachner. 

 Habitat : Amazons. 



Aio. Chalcinus auritus Cuvier & Valen- 

 ciennes. 



Habitat: Araguay. 

 Ail. Chalcinus elongatus Giinther. 



Habitat : Orinoco ; Amazons. 

 12. Chalcinus magdalena Steindachner. 

 Habitat : Magdalena Basin. 



COSCINOXYRON Fowler. 



Type : Chalcinus culter Cope. 

 Range that of the single species. 

 Ai. Coscinoxyr on culter (Cope). 



Habitat : Sao Paulo on the Amazon. 



PSEUDOCORYNOPOMA Perugia. 



Bergia Steindachner, Chalcinopelecus 



Holmberg. 



Type : Pseudocorynopoma doricE Peru- 

 gia. 



Range that of the single species. 

 I. Pseudocorynopoma dorite Perugia. 



Bergia altipinnis Steindachner; Chal- 

 cinopelecus argentinus Holmberg. 

 Habitat: La Plata Basin. 



Range : Guiana ; Amazons ; La Plata. 

 A i. Piabucus spilurus Giinther. 



Habitat : Amazons. 

 A2. Piabucus dentatus Koslreuter. 



Salmo argentinus Linnaeus. 



Habitat : Guianas ; Iquitos. 

 3. Piabucus melanostomus Holmberg. 



Habitat: La Plata Basin. 

 A4. Piabucus purusii Steindachner. 



Habitat : Rio Purus. 



