EIGENMANN: THE FRESHWATER FISHES OF BRITISH GUIANA 



267 



Table of Scales in the Lateral Line of C. schomburgki. 



Besides the type in the British Museum and the specimens mentioned by 

 Miiller and Troschel, and by Cuvier and Valenciennes, I have examined: 



Twenty specimens, 77-215 mm. Wismar. (C. M. Cat. No. 2068a-e; I. 

 U. Cat. No. 12256.) 



Twenty-three specimens, 95-260 mm. Lama Stop-Off. (C. M. Cat. No. 

 2069a-e; I. U. Cat. No. 12257.) 



Seventy-five specimens, 77-225 mm. Koreabo Rubber Plantation. (C. 

 M. Cat. No. 2075a-j; I. U. Cat. No. 12258.) 



Twenty-four specimens, 85-145 mm. Koreabo Rubber Plantation. (C. 

 M. Cat. No. 2071a-c; I. U. Cat. No. 12259.) 



Ten specimens, 120-158 mm. Issororo. (C. M. Cat. No. 2072a-e; I. U. 

 Cat. No. 12260.) 



Twenty-three specimens, 57-90 mm. Morawhanna. (C. M. Cat. No. 

 2073a-?; I. U. Cat. No. 12261.) 



Six specimens, 45-68 mm. Creek in Mora Passage. (C. M. Cat. No. 

 2074; I. U. Cat. No. 12269.) 



One specimen, 139 mm. Mud-flats below Wismar. (C. M. Cat, No. 2075.) 



Eight specimens, 96-145 mm. Maduni Creek. (C. M. Cat. No. 207Ga-d; 

 I. U. Cat. No. 12262.) 



Three specimens, 187-255 mm. Botanic Garden. (C. M. Cat. No. 20S5a-6; 

 I. U. Cat, No. 12271.) 



Four specimens, 54, 59, 187 and 255 mm. Georgetown trenches. (C. M. 

 Cat. Nos. 2077a and 2084a; I. U. Cat, Nos. 12270 and 12263.) 



One specimen, 80 mm. Christianburg. (C. M. Cat, No. 2078a.) 



Head 3-3.28; depth 2.25-2.6; D. 11 or 12; A. 10 or 11; scales 13 to 15-54 30 

 to 63-8; eye 1 in snout, 3.25 in head, 1-1.6 in interorbital. 



Compressed; dorsal profile high, depressed over the eyes; preventral area flat, 

 angulated on the sides, postventral area with a median keel; predorsal area nar- 

 rowly rounded, scaled; a triangular adipose area from near the edge of the opercle 



30 In one case 51. 



