March, 1913. Fishes from Panama — Meek and Hildebrand. 83 



Family CYCLOPID^. 



Cyclopium pirrense sp. nov. 



Type No. 7586, F. M. N. H.; length 130 mm.; Rio Cana, Cana, 

 Panama. 



Head 3.3 to 3.6; depth 5.0 to 6.0; D. I, 5; A. I, 5. 



Body robust, compressed posteriorly; head depressed, broad, its 

 width equaling its length; anterior teeth of upper jaw pointed, those 

 of the lower bicuspid; snout 1.8 to 2.0 in head; interorbital 3.4 to 4.1; 

 origin of dorsal over ventrals, its distance from tip of snout 2.2 to 2.4 in 

 body; first dorsal ray with its tip produced, its length i.i to 1.4 in head, 

 the tips of first dorsal rays reaching slightly past those of the last rays 

 when the fin is deflexed; pectoral spines produced, their tips reaching 

 to or past middle of ventrals, their length .7 to .9 in head; ventrals 

 i.o to 1.2; adipose fin long, without trace of spine; caudal peduncle 

 deep, 1.7 to 1.9 in head; last anal ray to caudal 1.5 to 1.7 in head; caudal 

 emarginate, the outer rays produced. 



Color brownish mottled with darker; base of anal and dorsal black; 

 a faint black bar at base of caudal rays; base of first rays of anal usually 

 with a black spot. 



Tuyra River basin. 



Family CHARACID^. 



Parodon dariensis sp. nov. 



Type No. 7587, F. M. N. H.; length 140 mm.; Rio Cupe, Cituro, 

 Panama. 



Head 4.4 to 4.5; depth 4.3; D. I, 10; A. I, 8; scales 36. 



Body elongate, robust, the dorsal region elevated; mouth inferior, 

 transverse; the teeth of upper jaw 3-3 or 4-4, pointed or incisor, their 

 edges nearly smooth to finely denticulated; eye 4.4 to 5.0 in head; snout 

 3.0; interorbital 2.6; dorsal fin with its margin convex or nearly straight, 

 its origin about midway between- tip of snout and posterior margin of 

 adipose fin; snout to dorsal 2.1 in body; pectoral broad, of 15 rays, its 

 length .95 in head; ventrals i.i in head; base of anal 2.8 to 3.1; depth 

 of caudal peduncle 1.8 to 1.9; caudal fin forked. 



Color olivaceous, the dorsal region very dark; sides with two black 

 lateral bands, each as wide as eye, these partly broken into confluent 

 black spots; dorsal and anal fins each with 2 black bars; caudal with 



