488 MEMOIRS OF THE CARNEGIE MUSEUM 



Nannacara Regan. 

 Nannacara Regan, Ann. and Mag. Nat. Hist., (7), XV, 1905, 344. 



Type, Nannacara anomala Regan. 



This genus differs from JEquidens in having the lateral line running close to 

 the dorsal fin. The species are minute. 



329. Nannacara anomala Regan. (Plate LXV, fig. 9.) 

 Acara punctulata Gunther, Ann. and Mag. Nat. Hist., (3), XII, 1863, 441, part 



(Guiana) . 

 Nannacara anomala Regan, Ann. and Mag. Nat. Hist., (7), XV, 1905,344 (Esse- 



quibo). — Eigenmann, Repts. Princeton Univ. Exp. Patagonia, III, 1910, 470. 



Two specimens, 30-32 mm. Aruka River. (C. M. Cat. No. 2303a; I. U. 

 Cat. No. 12467.) 



Fifteen specimens, 21-35 mm. Lama Stop-Off. (C. M. Cat. No. 2305a-e; 

 I. U. Cat. No. 12468.) 



Four specimens, 30-37 mm. Maduni Creek. (C. M. Cat. No. 2323; I. U. 

 Cat. No. 12480.) 



Head about 3; depth 2.66; D. XV or XVI,7 or 8; A. 111,7 or 8; scales 21-25 

 in a median series, 15 or 16 + 6 or 7, the upper lateral line frequently interrupted; 

 eye 3 in the head, .8 in the interorbital. 



Elongate, rounded in front; mouth terminal, maxillary extending to below 

 the eye, which is entirely in the front half of the head; maxillary-premaxillary 

 border 3.5 in the head; preopercle, subopercle, interopercle, and opercle, as well as 

 the cheek, with large scales; preorbital about one-third of the eye in width; teeth 

 in several series, the outer ones enlarged. 



Scales large, feebly ctenoid, two series on the cheek; upper lateral line separated 

 from the anterior part of the dorsal by one scale or rarely by one and one-half 

 scales, by half a scale farther back; dorsal, anal, and all but a small band at the 

 base of the caudal, naked. 



A dark stripe down and back from the eye; a dark median band from the eye 

 to the caudal; sides clouded; tips of dorsal spines light. 



330. Nannacara bimaculata sp. nov. (Plate LXVI, fig. 1.) 

 Type unique, 50 mm. Erukin. (Carnegie Museum Catalog of Fishes No. 



2304.) 



Similar to N. anomala, but readily distinguishable by its lateral and caudal 



spots. 



