384 



PATAGONIAN EXPEDITIONS! ZOOLOGY. 



Pseudopimelodus Bleeker. 



Type : Pimelodus bufonius Cuvier & 



Valenciennes. 

 Range : Rio de La Plata to Rio Magda- 

 lena. 

 A I. Pseudopimelodus bufonius (Cuvier & 



Valenciennes), E. & E., 112. 



Pimelodus chorus Cuvier and Valen- 

 ciennes. 

 Habitat : Rio San Francisco to Magda- 

 lena. 

 2. Pseudopimelodus cottoides Boulenger, 



Boulenger, 1891, 233. 



Habitat: Camaquam River; Paraguay 



River. 



A3. Pseudopimelodus acanthochira Eigen- 



mann & Eigenmann, . . E. & E., 1 14. 



Habitat : Amazons from Para to Taba- 



tinga. 



4. Pseudopimelodus villosus Eigenmann 



MS. 

 Habitat : British Guiana. 



5. Pseudopimelodus albomarginatus Eigen- 



mann MS. 

 Habitat : Potaro River, British Guiana. 



Zungaro Bleeker. 



Type: Pimelodus zungaro Humboldt. 



Range : La Plata and Upper Amazon. 

 Ai. Zungaro zungaro (Humboldt). 



Zungaro humboldtii Bleeker. 



Habitat : Maraiion. 

 2. Zungaro mangurus (Valenciennes). 



Habitat: La Plata. 



Breviglanis Eigenmann MS. 



Type : Breviglanis frenata Eigenmann. 

 Range: British Guiana. 



1. Breviglanis frenata Eigenmann MS. 



Habitat: Amatuk Cataract. 



2. Breviglanis melas Eigenmann MS. 



Habitat: British Guiana. 



3. Breviglanis phalacra Eigenmann MS. 



Habitat: Amatuk Cataract. 



Leptoglanis Eigenmann MS. 



Type : Leptoglanis essequibensis Eigen- 

 mann. 



Range that of the single species. 

 1. Leptoglanis essequibensis Eigenmann 

 MS. 



Habitat: Middle Essequibo River. 



Myoglanis Eigenmann MS. 



Type : Myoglanis potaroensis Eigen- 

 mann. 

 Range: Guiana and ? Uruguay. 

 1. Myoglanis potaroensis Eigenmann MS. 



Habitat : Potaro River, British Guiana. 

 A2. Myoglanis collettii (Steindachner), 1 



E. & E., 146. 

 Habitat : Maldonado. 



Chasmocephalus Eigenmann MS. 



Type : Chasmocephalus longior Eigen- 

 mann. 

 Range: British Guiana. 



1. Chasmocephalus longior Eigenmann MS. 



Habitat : Central British Guiana. 



2. Chasmocephalus brevior Eigenmann MS. 



Habitat : Potaro River. 



Heptapterus Bleeker. 



Type: Pimelodus mustclinus Valen- 

 ciennes. 

 Range : La Plata to Rio Grande do Sul. 



1. Heptapterus mustelinus (Valenciennes), 



St., 1907, 486. 

 Habitat: Santa Catharina and Rio 

 Grande do Sul ; Rio de La Plata. 



2. Heptapterus eigenmanni Steindachner, 



E. & E., 144. 

 H. mustelinus Eigenmann, non Valen- 

 ciennes. 

 Habitat: Maldonado. 



3. Heptapterus multiradiatus von Ihering, 



v. I., 1907, 20. 

 Habitat : Alto da Serra, Sao Paulo. 



1 1 am not sure of the generic position of this species. 



