20 Storer' s Synopsis of the Fishes of North America. 



transverse stripes on the sides, alternately but not regularly longer. A dark round spot at 

 the base of the caudal. 



D. 13-15. P. 15. V. 1-5. A. 12. C. 15jj. Length, 2 inches. 



Lake Champlain, Dekay. 



Pileorna semifascialum, Champlain Pickering, Dekay's Report, p. 16, pi. 50, fig. 162. 



May not this prove to be the Percina nebulosa of Haldeman ? 



(J*sic^~^ £ ^6vV^ * 8. Etheostoma bimaculata, Hald. 



Slender, lateral line sub-rectilinear above the middle. Light yellow ; sides transversely 

 and irregularly banded with black, and dorsal fins clouded with brown ; a distinct black spot 

 at the extremity of the lateral line. Ten or twelve irregular transverse bands upon the back 

 and sides ; rays of the second dorsal and caudal fins crossed by dark brown bands. 



D. 15-15. P. 13. V. 6. A. 11. C. 17. Length, (?). 



Susquehannah River, Pennsylvania, Haldeman. 



Percina bimaculata, Haldeman, Proceedings of the Bost. Soc. Nat. Hist., p. 157. 



jt tvt^v cv^t, ;/ i^/ 9. Etheostoma coerulea, Storer. 



Body oblong. Head slightly gibbous anterior to the eyes, which are prominent. When 

 alive, reddish above, orange-colored upon lower portion of the sides, with nine or ten trans- 

 verse blue bands, which are not seen upon the red above. Anterior dorsal, yellow, mar- 

 gined with blue ; posterior dorsal, with a longitudinal blue band at its base and margin ; 

 ventral, anal, and caudal fins, bluish ; pectorals, light yellow. A blue blotch upon the 

 cheeks. 



In spirits, the colors disappear, leaving the fish of a yellowish green, with ten dark brown, 

 perfectly regular transverse bands extending from the dorsum to the abdomen : the bands at 

 the edge of the first dorsal, and base of the second, are nearly black, and that at the margin 

 of the second entirely disappears. 



D. 10-13. P. 13. V. 1-5. A. 9. C. 16. Length, 2J inches. 



Fox River, Illinois, Storer. 



Etheostoma cffirulea, Storer, Proceedings of the Bost. Soc. Nat. Hist., 1S45. 



10. Etheostoma tessellata, Storer. 



Body oblong. Head gibbous, less than one fourth the length of the body. Lateral line 

 straight. Top of the head and upper portion of the sides of a greenish brown color; eight 

 or ten transverse bluish bands upon the sides ; the intervals between these bands are yel- 

 lowish, and in the centre of each is a bluish rhomb. A black blotch at the base of the tail. 

 The lips, opercles, and rays of the first dorsal, gamboge yellow. 



