EIGENMANN: THE FRESHWATER FISHES OF BRITISH GUIANA 277 



The types of H. gracilis from the River Cupai, 800 miles from the sea, are 

 much slenderer. 



Anisitsia Eigenmann. 

 Anisitsia Eigenmann, Smiths. Misc. Coll., Quarterly Issue, XLV, 1903, 144. 



Type, Anodus notatus Schomburgk. 



Similar to Anodus, but the scales increasing in size and decreasing in number 

 from the lateral line downward. 



134. Anisitsia notata (Schomburgk). 

 Anodus notatus Schomburgk, Fishes Brit. Guiana, I, 1842, 218, pi. 15 (Rio 



Negro) . 

 Hemiodus notatus Cuvier and Valenciennes, Hist. Nat. Poiss., XXII, 1848, 



119, pi. 638. — Castelnau, Anim. Am. Sud, Poiss., 1855, 64 (Paraguay). — ■ 



Kner, "Familie der Characinen," i, 1859, 22 (Guapore). — Gunther, Cat- 

 alogue, V, 1864, 298 (Essequibo; Surinam). — Steindachner, "Flussfische 



Sudamerika's," ii, 1881, 40 (Rio Trombetas; Rio Guapore). — Eigenmann 



and Eigenmann, Proc. U. S. Nat. Mus., XIV, 1891, 49. 

 Anisitsia notata Eigenmann, Repts. Princeton Univ. Exp. Patagonia, III, 1910, 



423. 

 Hemiodus unimaculatus (not of Bloch) Muller and Troschel, in Schomburgk, 



Reisen, III, 1848, 633 (Essequibo); Hora? Ichth., Ill, 1849, 9. 

 Hemiodus microcephalia Gunther, Catalogue, V, 1864, 298 (River Capin). — 



Eigenmann and Eigenmann, Proc. U. S. Nat. Mus. XIV, 1891, 49. 



Ten specimens, 80-112 mm. Christianburg. (C. M. Cat. No. 1933o-6; 

 I. U. Cat. No. 12191.) 



Three specimens, 64-80 mm. Kumaka. (C. M. Cat. No. 1934a; I. U. Cat. 

 No. 12200.) 



Sixteen specimens, 74-89 mm. Malali. (C. M. Cat. No. 1935a-c; I. U. 

 Cat, No. 12192.) 



Eighteen specimens, 71-111 mm. Bartica, rocks. (C. M. Cat. No. 1936a-e; 

 I. U. Cat. No. 12193.) 



Two specimens, about 190 and 195 mm. Bartica, rocks. (C. M. Cat. No. 

 1937a; I. U. Cat. No. 12194.) 



Twenty-seven specimens, 58-95 mm. Wismar. (C. M. Cat. No. 1939a-e; 

 I. U. Cat. No. 12195.) 



Five specimens, 91-112 mm. Crab Falls. (C. M. Cat. No. 1940a-6; I. U. 

 Cat, No. 12196.) 



