FISHES OP' THE ALTAMAHA BASIN. 37 



above, the uiiizzle moderately rouiuled. Eye rather large, uearly as 

 loug as the muzzle, 3J to 3^ iu head. 



Mouth large, quite oblique, the maxillary reaehiug to orbit, the man- 

 dible included. 



Scales medium, 0-40-3, rather closely imbricated, about Ul iu front 

 of the dorsal. Dorsal nearer caudal than muzzle, distinctly behind the 

 ventrals. Dorsal 1, 8. Anal I, 8. Pectorals not reaching nearly to veu- 

 trals, the latter not to vent. 



Color, in spirits: Clear olive; a dark, burnished, jjlumbeous lateral 

 baud, which extends through the eye and up the caudal fin : whole 

 body bright crimson : fins yellow. 



Colors, iu life: Clear olive above, with very intense green dorsal 

 and vertebral lines; an intense metallic blackish band along sides; 

 below this the sides bright silvery, in the males bright, clear red, the 

 color of red berries; the whole body more or less flushed with red, the 

 belly especially bright : iris crimson. 



Fins all blight golden-yellow: silvery space below eye strongly 

 marked : tip of lower jaw black. 



Teeth 2, 4-4, 2, with masticatory surface developed. 



Length 2i to 3 inches. 



This species is extremely abundant in the headwaters of the Oconee, 

 in clear rapid streams. It is one of the most brilliant of the genus. 



Hydrophlox lutipinnis is deeper-bodied than H. rubricroceus. It has 

 also a smaller month and differentcoloration,especially of thefins. From 

 A. chloroccphalus, it differs in the larger mouth, larger size, and smaller 

 scales : the pectoral and ventral fins are also usually shorter. The 

 teeth, also, are 2, 4, instead of 1, 4. 



Genus CODOMA Girard. 

 11. CouoMA XiENURA Jordan. 



Minnilus (Photogenis) xanurus Joudax (1877), Proc. Ac. Nat. Sc. Phila. 79. 



This beautiful fish is the most abundant species in the rapids of the 

 Ocmulgee at Flat Shoals. 



12. CoDOMA CALLISEMA Jordan. 



Episcma callisema Jordan (1877), Ami. Lye. Nat. Hist. 303. 



This species, one of the most elegant of the genus, is very abundant 

 in the South Fork of the Ocmulgee. It differs from the other species of 



