148 MEMOIRS OF THE CARNEGIE MUSEUM 



Subfamily Callophysin^e. 

 Callophysus Miiller and Troschel. 



Callophysus Miiller and Troschel, Horse Ichth., Ill, 1849, 1 (sp.). — Bleekeh, 



Nederl. Tijdschr. Dierk,, I, 1863, 101 (macropterus). 

 Pimelotropis Gill, Proc. Acad. Nat. Sci. Phila., 1859, 196 (lateralis = macropterus) . 

 Pseudocallophysus Bleeker, Nederl. Tijdschr. Dierk., I, 1863, 102 (ctenodus = 



macropterus) . 



Type, Pimelodus macropterus Lichtenstein. 



One series of teeth in the lower jaw, two series in the upper; dorsal and pectoral, 

 without spines; adipose long. A single species. 



25. Callophysus macropterus (Lichtenstein). 



Pimelodus macropterus Lichtenstein, Wiedem. Zool. Mag., I, iii, 1819, 59 (Brazil). 



Callophysus macropterus Muller and Troschel, in Schomburgk, Reisen, III, 1848, 

 629 (Essequibo); Horse Ichth., Ill, 1849, 1 (Brazil; Guiana). — Gunther, Cata- 

 logue, V, 1864, 137 (copied).— Peters, MB. Akad. Wiss. Berlin, 1877, 470 

 (Apure). — Eigenmann and Eigenmann, Proc. Cal. Acad. Sci., (2), I, 1888, 120 

 (Obidos; Lake Jose Assu; Cameta; Rio Negro; Santarem; Tonantins; Mana- 

 capuru); Occasional Papers Cal. Acad. Sci., I, 1890,95. — Eigenmann and 

 Bean, Proc. IT. S. Nat. Mus., XXXI, 1907, 659 (Amazon).— Eigenmann, 

 Repts. Princeton Univ. Exp. Patagonia, III, 1910, 382. 



Pimelodus ctenodus Agassiz, Gen. et Spec. Pise. Bras., 1829, 21, plate 8a (Equa- 

 torial Brazil). — Cuvter and Valenciennes, Hist. Nat. Poiss., XV, 1840, 186 

 (copied). — Castelnau, Anim. Am. Sud, Poiss., 1855, 35 (Amazon). 



Callophysus ctenodus Muller and Troschel, Horse Ichth., Ill, 1849, 2 (Brazil). — 

 ? Kner, SB. Akad. Wiss. Wien, XXVI, 1857, 422 (locality?).— Gunther, Cata- 

 logue, V, 1864, 137 (copied). 



Pimelodus instants Schomburgk, Fishes Brit. Guiana, I, 1841, pi. 6 (not descr.). 



Pimelotropis lateralis Gill, Proc. Acad. Nat. Sci. Phila., 1859, 196 (Amazon). 



Callophysus lateralis Gunther, Catalogue, V, 1864, 136 (copied). — Steindachner, 

 "Ichthyologische Beitriige," v, 1876, 105 (Santarem; Tabatinga; Montalegre; 

 Obidos; Rio Negro; Tonantins; Lake Manacapuru; Jose Assu). — Cope, 

 Proc. Am. Philos. Soc, XVII, 1878, 676 (Peruvian Amazon). — Vaillant, Bull. 

 Soc. Philom., (7), IV, 1880— (Calderon). 

 No specimens were secured. I have examined the specimen collected by 



Schomburgk and now in Berlin. 



