148 MEMOIRS OF THE CARNEGIE MUSEUM 



Subfamily Callophysin^e. 

 Callophysus Midler and Troschel. 



Callophysus Muller and Troschel, Horse Ichth., Ill, 1849, 1 (sp.).— Bleekek, 



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

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

 Pseiidocallophysus 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. U. 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). — Cuvier 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 insignis 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 Beitrage," 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. 



