Evermann and Goldshorovgh — Fishes from Canal Zone. 99 



anal about -1.5 in head. Color in alcohol, silvery straw-color above, plnm- 

 beoiis on middle of side, lower parts pale; a large l)lack spot on caudal 

 peduncle at base of caudal fin, followed by a pale area, the black not 

 extending to caudal rays. 



The above description from a specimen 89 mm. long from a small run- 

 ning ditch at Ta])ernilla, where it was obtained July 24, 1908, by Mr. 

 Allan H. Jennings. Seventeen others taken at the same time and place, 

 measure from 30 mm. to 40 mm. and agree in all essential respects. The 

 number of pores in the lateral line varies from 6 to 12, the most usual 

 number being 10. 



Clieirodon insignis Steindachner, Zur Fiscli — Fauna des Cauca und der 

 Fliisse l)ei (Guayaquil, 22, fig. 3, p]. \I, 1880, Cauca River, United States 

 of Colomlna. 



4. Cheirodon gorgonae Evermann & Goldsborough, sp. nov. 



Type, No. 64094 U. S. National Museum, a specimen 28 mm. long, 

 collected February 7, 1908, by Mr. A. H. Jennings, from a small seepage 

 pool below the spillway of the reservoir dam at (Torgona, Canal Zone. 



Head 3.7 in length; depth 3.14; eye 2 in head; longest dorsal ray 1 in 

 head; longest anal ray 1.57 in head; dorsal II, 10; anal II, 17; scales in 

 longitudinal series 29 + 4, pores on 8 of them, 10 scales in cross series from 

 front of anal upward and forward to origin of dorsal ; 13 scales in front 

 of dorsal. 



Figure 1. 

 Cheirodon gorgonse Evermann A: Goldsborough. Type. 



Body short, compressed; dorsal and ventral outline evenly arched ; head 

 short; snout l)lunt; mouth small, oblique, maxillary reaching eye; teeth 

 in a single row in each jaw, each evenly convex, with a large central cusp 

 and 3 graduated smaller ones on either side, differing in this respect from 

 C. insignis, which has the five central cusps of about equal size with one 

 smaller one on either side, the outer edge being not nearly so arched as 

 in the jjresent species. Scales moderate, lateral line incomplete, it being 

 developed on only 8 scales in the type, but varying in other specimens 

 from 8 to 13 ; fins all well developed. 



