Fishes of Upper Georgia. 363 



,' Scales large, 14 before the dorsal, 38 in the lateral line. Dorsal over 

 yentrals; pectorals not reaching ventrals, the latter not to vent. D., I, 

 7. A., I, 8. Teeth in specimens examined 1, 4-4, 0. Length of largest 

 specimen 4i| inches. 



, Color uniform — very pale olive, becoming silvery; a silvery lateral 

 band, a gilt vertebral line, and traces of a faint caudal spot. 



Habitat. South fork of the Ocmulgee River, very abun- 

 dant. This seems to differ from hudsonius chiefly iu its pale 

 color and less convex front. I therefore here consider 

 amarus as a variety only ; still it may be a distinct species. 

 Later comparisons have assured me that the latter view is 

 correct. 



EPISEMA. 



Episema Cope and Jordan, Proc. Phil. Ac. Nat. Sci., 1877. (Type 1 

 Photogenis scabriceps Cope.) 



9. EPISEMA CALLISEMA. Sp. nov. 



, Body elongated, fusiform, compressed; depth 4§- in length (4i to 4f). , 



Head elongate, somewhat abruptly truncate, about 4 in length ; snout 

 projecting beyond the moderate-sized, oblique mouth, which reaches to 

 nearly opposite the eye. Head and upper neck tuberculate, as in Photo- 

 genis. Eye moderate, 4£in head. 



Scales firm, closely imbricated, with dark edges, 15 before dorsal, 39 in 

 the lateral line. Dorsal fin — iu male specimens — immensely high, its 

 length more than \ the length of the body (in females i), the last rays 

 extending backward nearly as far as the large anal. 



Dorsal directly over ventrals, or perhaps very slightly posterior, its first 

 ray over the second or third of ventrals, nearer snout than base of Caudal 

 fin. Pectorals not reaching ventrals, the latter to vent. D., I, 8. A., I, 8. 

 Teeth Uniformly. 0, 4-4, 0, of the same form as in P. stigmaturus, hooked, 

 and with sharp, entire cutting edge. Females smaller than males ; dull 

 in color, with small and slender heads ; the two sexes appearing like dif- 

 ferent species. Length, 2 or 3 inches. 



Coloration brilliant; clear dark' blue above, sides and below abruptly 

 silvery ; a blue lateral streak resembling that of P. coendeits, bounding the 

 blue of the upper parts, the white pigment of the lower parts looking as 

 if painted oh over the blue. 



Dorsal with a large black spot on its last rays above ; dorsal, anal, and 

 caudal with the usual satin-white pigment at their tips ; these fins other- 

 wise of a bright clear ferruginous orange, characteristic of this species. 



Habitat. Very abundant in the South Fork of the Oc- 

 mulgee. One of the handsomest of our Minnows, both in 



