282 MEMOIRS OF THE CARNEGIE MUSEUM 



Cotypes, two specimens, 22-23 mm. Crab Falls. (C. M. Cat. No. 1174a; 

 I. U. Cat. No. 11698.) 



Cotypes, two specimens, 24 nmi. Rockstone sand-bank. (C. M. Cat. No. 

 ]175«; I. U. Cat. No. 11699.) 



Cotypes, five specimens, 25-31 mm. Gluck Island. (C. M. Cat. No. 1176a-b; 

 I. U. Cat. No. 11700.) 



Cotypes, two specimens, 27-31 mm. Christianburg canal ? (C. M. Cat. No. 

 1177«; I. U. Cat. No. 11701.) 



Cotypes, nineteen specimens, 21-22 mm. Cane Grove Corner. (C. M. Cat. 

 No. 1178a-/; I. U. Cat. No. 11702.) 



Most nearly related to N. trifasciatus Steindachner. 



Head 3.6; depth 3.4; D. 10; A. 11 or 12; five scales between dorsal and ventral, 

 nine or ten before the dorsal, twenty-one in a median lateral series. E3'e 3 in the 

 head; snout 4 in the head; interorbital equal to the eye. 



Short and chubby, the snout especially short, the jaws equal. Origin of the 

 dorsal over the insertion of the ventrals; pectorals reaching a little more than half- 

 way to the ventrals; ventrals half-way to middle of anal. No adipose fin. 



Back chocolate, the median line darkest; three black lateral stripes, a median 

 golden stripe and a golden stripe shading to silvery ventrad; belly white. A crim- 

 son spot on the middle of the dorsal and of the ventral fins; a crimson streak 

 bordering the upper margin of the middle black band from above middle of the 

 pectoral to middle of the dorsal; caudal suffused with orange; anal posteriorly 

 orange-red; iris red above. 



The upper two black bands converge on the caudal fin, the middle one extends 

 from the end of the snout and mandible to base of the lower caudal lobe, the lowest 

 extends from near the mouth along the suborbital, below the pectoral to the anal, 

 and is continued upon the anterior rays of the anal and sometimes margins the rest 

 of the fin. Anterior dorsal ray, or rays, dark. 



138. Nannostomus minimus Eigenmann. (Plate XXXVI, fig. 5.) 

 Nannostomus minimus Eigenmann, Ann. Carnegie Mus., VI, 1909, 41; Repts. 

 Princeton Univ. Exp. Patagonia, III, 1910, 427. 



Type, 21 mm. Erukin. (Carnegie Museum Catalog of Fishes No. 1165.) 

 Cotypes, two specimens, 20 and 21 mm. Erukin. (I. U. Cat. No. 11691.) 

 Cotype, one specimen, 22 mm. Amatuk. (C. M. Cat. No. 1166a.) 

 Head 3.6; depth 4.66; D. 9; A. 10; seven scales in front of dorsal, five between 

 dorsal and ventrals, twenty-one in a lateral series. Eye greater than snout, 3 in 

 the head; interorbital equal to the eye. 



