180 CALIFORNIA ACADEMY OF SCIENCES. 



125. Fimelodus grosskopfii. 



Pimelodus grosskopfii Steiudachner, SB. Ak. Wien, Ixxx, 1879, 

 Ichthyol. Beitrage, viii, 68 (Catica); Steindachner, Fisch-Fauiia 

 des Cauca & Fliisse bei Guayaquil, 5, pi. i, fig. 1-la, 1879' 

 (Cauca). 



Habitat: Magdalen river and itsjtributaries. 



We have not seen any specimens of this species; it 

 seems to agree very closely with some forms of clarias, 



126. Fimelodus labrosus. 



Fimelodus labrosus (Kroyer MS.) -Liitken, Vidensk. Meded. 1874,. 



200 (La Plata). 

 Habitat: La Plata. 



This may be a valid species. Dr. Liitken even places 

 it in a group distinct from maculatus, but as he has not 

 made the differences evident to one who has not both 

 species or varieties we have placed it here. 



Only the types are known. 



127. Fimelodus valenciennis. 



Fimelodus valtnciennis\(KroyeTMii.)'Lut'ken, Vidensk, Meded. 1874„ 



200 (La Plata). 

 ? Fimelodus ?iigribarbis Boulenger, Ann. &Mag. Nat. Hist. Oct. 1889, 



266 (Camapuam Eiver). 

 Habitat: Eio Plata. 



This species is distinguished chiefly by the length of 

 its anal and adipose fins. It is known only from the 

 types. 



128. Fimelodus westermanni. 



Fimelodus ivestermannl (Eeinhardt MS.) Lutken, Dan. Viden. Selsk. 



1874, 32 (Rio das Valhas); Dan. Selsk. Skr. 167, plates ii and 



iii, fig. 4, 1875 (Eio das Velhas). 

 Habitat: Eio das Velhas. 



This species is distinguished chiefly by the absence of 

 an intermaxillary band of teeth. Only the types are 

 known. 



129. Fimelodus altipinnis. 



Fimelodus altivinnis ^ieindmchner, SB. Ak.Wien, lix, 1864, Ichthyol. 

 Notiz. i, 14, plate ii, figs. 3 and 4 (Demarara); id. Ixxiv, 1876, 

 Ichthyol. Beitr. iv, 56, plate xi (Para; Santarem; Cameta); 

 Eigenm. & Eigenm. Proc. Cal. Acad. 2d Ser. i, 135, 1888 (Para). 



Habitat: Amazon and northward. 



