EIGENMANN: the freshwater fishes of BRITISH GUIANA 401 



Epicyrtus macrolepis Kner, "Familie der Characinen," ii, 1859, 39, pi. 6, fig. 1 



(Cujaba; Rio Paraguay; Irisanga). — Steindachner, "Fisch-fauna Magda- 



lenen-Stromes," 1878, 46. — Boulenger, Trans. Zool. Soc. London, XIV, 1896, 



36 (Descalvados) . 

 Anacyrtus macrolepis Boulenger, Bull. Mus. Zool. ed Anat. Comp. Torino, 



XV, 1900, 948 (near Corumba). 

 Characinus gibbosus EiGENMANNand Kennedy, Proc. Acad. Nat. Sci. Phila., 1903, 



525 (Arroyo Trementina) . 



Very abundant in lowlands. 



Six hundred and thirty specimens, 35-135 mm. Botanic Garden. (C. M. Cat. 

 No. 2124:a-x; I. U. Cat. No. 12304.) 



Seventy-two specimens, 38-134 mm. Georgetown trenches. (C. M. Cat. 

 No. 2125rt-i; I. U. Cat. No. 12305.) 



Twenty specimens, 52-85 mm. Lama Stop-Off. (C. M. Cat. No. 2126a-e; 

 I. U. Cat. No. 12306.) 



Ten specimens, 50-88 mm. Creek in Mora Passage. (C. M. Cat. No. 2127- 

 a-e; I. U. Cat. No. 12307.) 



Six specimens, 60-103 mm. Issorora Rubber Plantation. (C. M. Cat. No. 

 2128a-c; I. U. Cat. No. 12308.) 



Five specimens, 65-97 mm. Aruka River. (C. M. Cat. No. 2129a-c; L U. 

 Cat. No. 12309.) 



Eleven specimens, 65-137 mm. Wismar. (C. M. Cat. No. 2130a-/; I. U. 

 Cat. No. 12310.) 



Twenty-nine specimens, 53-105 mm. Rockstone sand-bank. (C. M. Cat. 

 No. 2131a-e; I. U. Cat. No. 12311.) 



Fifty-two specimens, the largest 115 mm. Crab Falls. (C. M. Cat. No. 2132- 

 a-e; I. U. Cat. No. 12312.) 



One specimen, 72 mm. Tumatumari. (C. M. Cat. No. 2133.) 



Two specimens, 59-68 mm. Konawaruk. (C. M. Cat. No. 2134a; I. U. Cat. 

 No. 12113.) 



Head 3.75-4; depth 2.6-3.75; D. 11; A. 48-56;™ scales 16-53 to 60"-9; eye 

 1 in snout, 3.60 in head, 1 in interorbital in the adult; .75, 3, and .75 respectively 

 in specimens 60 mm. long. 



Compressed, elongate; breast flat, with a median series of scales; postventral 



™ Of eighteen specimens examined two have A. 48, one A. 49, one A. 50, five A. 51, three A. 52, one 

 A. 53, three A. 54, one A. 55, and one A. 56. 



"1 Of twenty-one specimens examined two have A. 5.3, one A. 54, two A. 55, two A. 56, four A. 57, three 

 A. 58, three A. 59, and four A. 60. 



