eigenmann: the FRESHWATER FISHES OF BRITISH GUIANA 345 



205. Creatochanes affinis Gunther. (Plate L, fig. 3.) 



"Corwi" or "Kowi" of the Wacusi Indians. 



Tctragonopterus affinis Gunther, Catalogue, V, 1864, 327 (British Guiana).— 



Ulrey, Ann. N. Y. Acad. Sci., VIII, 1895, 278.— Vaillant, Bull. Mus. d'Hist. 



Nat,, V, 1899, 154 (Carsevenne and Carnot). 

 Bryconops {Creatochanes) melanurus (not of Bloch) Muller and Troschel, in 



Schomburgk, Reisen, III, 1848, 635 (Rupununi). — Steindachner, " Chara- 



cincn des Amazonenstromes," SB. Akad. Wiss. Wien, LXXXI, 1875, 14, fig. 



7 (Obidos; Rio Tapajos). 

 Creatochanes affinis Eigenmann, Repts. Princeton Univ. Exp. Patagonia, III, 



1910, 435. 



Nine specimens, 70-105 mm. Aruataima. (C. M. Cat. No. 1400a-c; I. U. 

 Cat, No. 11874.) 



Twenty-nine specimens, 38-109 mm. Holmia. (C. M. Cat. No. 1401a-e; 

 I. U. Cat. No. 11875.) 



Eighteen specimens, 34-83 mm. Two hours below Holmia. (C. M. Cat. 

 No. 1402a-e; I. U. Cat. No. 11876.) 



Eight specimens, 29-96 mm. Savannah Landing. (C. M. Cat. No. 1403a-6; 

 I. U. Cat. No. 11877.) 



Twenty-seven specimens, 53-124 mm. Tukeit, (C. M. Cat, No. 1404a-e; 

 I. U. Cat. No. 11878.) 



Six specimens, 32-62 mm. Amatuk. (C. M. Cat. No. 1405a-6; I. U. Cat, 

 No. 11879.) 



Five specimens, 46-102 mm. Creek below Potaro Landing. (C. M. Cat. 

 No. U06a-b; I. U. Cat, No. 18880.) 



Forty-seven specimens, 54-101 mm. Tumatumari. (C. M. Cat. No. 1407a 

 -6; I. U. Cat, No. 11881.) 



Five specimens, 83-96 mm. Christianburg. (C. M. Cat. No. 1407a; I. U. 

 Cat, No. 11882.) 



One specimen, 30 mm. Wismar. (C. M. Cat, No. 1408.) 



One specimen, 58 mm. Warraputa. (C. M. Cat. No. 1409.) 



Two specimens, 80-90 mm. Konawaruk. (C. M. Cat. No. 1410; I. U. Cat. 

 No. 11883.) 



One specimen, 50 mm. Bartica. (C. M. Cat. No. 1411.) 



Thirty specimens, 45-88 mm. Maripicru, branch of the Ireng. 46 (C. M. Cat. 



No. 1412a-;; I. U. Cat. No. 11884.) 



46 Caudal lobes and middle rays uniformly black, bases of both lobes cherry-red or orange. Nineteen 

 other specimens were received from a tributary of the Ireng, the name of which was not legible. 



