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



7. Hydrargyra nigro-fasciata, Lesueur. 



Body above, a reddish yellow, deeper on the back ; abdomen yellowish white ; caudal 

 o-reenish blue, the other fins yellow ; body with thirteen or fourteen transverse black bands. 

 Back considerably elevated opposite the pectorals. Dorsal and anal fins long and narrow. 



D. 12. P. 18. V. 6. A. 10. C. 16|. Length, 2 inches. 



Massachusetts, Storer. Rhode Island, Lesueur. 



Hydrargyra nigro-fasciata, Lesueur, Journ. Acad. Nat. Sc, i. p. 133. 

 " " Banded Minnow, Stoker's Report, p. 94. 



" " Dekay's Report, p. 221. 



S. Hydrargyra limi, Kirtland. 



Body uniformly cylindric, fusiform, slightly compressed behind the dorsal and anal fins. 

 Dark olive, irregularly waved with fuscous ; abdomen free from the olive ; an irregular trans- 

 verse black band on the body, near the base of the caudal fin. 



D. 13. P. (?)■ V. (.'). A. 10. C. 14. Length, 2 to 3 inches. 



Ohio, Kirtland. 



Hydrargyra limi, Kirtland, Bost. Journ. Nat. Hist., in. p. 277, pi. 2, fig. 1. 



9. Hydrargyra fusca, Thompson. 



Above dark olive, mottled with blackish ; sides mottled with brown, green, and golden, 

 with faint indications of yellowish bars; belly dull brownish, bronzy yellow; fins dusky 

 yellow ; sides yellowish at the base of the tail, crossed by a vertical black bar, with a 

 brownish crescent-shaped line along the base of the caudal rays, marking, with a vertical 

 line, the form of the letter D. Scales large ; thirty-six along the lateral line. 



D. 14. P. 15. V. 0. A. 10. C. 16. Length, 2 to 4 inches. 



Lake Champlain, Thompson. 



Hydrargyra fusca, Mud-fish, Thompson's Hist, of Vermont, p. 137, fig. 

 Hydrargyra atricauda, Champlain Minnow, Dekay's Report, p. 220. 



GENUS XII. MOLLINESIA, Lesueur. 



Head flat ; operculum large ; branchial rays or gills, four or five. Jaws 

 flattened ; mouth horizontal, very small, furnished with small and slender 

 teeth, anteriorly hooked, and with minute posterior ones resembling velvet. 

 Body short, thick, and compressed. Anal between the ventrals. 



1. Mollinesia latipinna, Lesueur. 



Reddish. Scales posteriorly spotted with black, forming interrupted lines. Body most 

 elevated anteriorly. Dorsal very large and long. 





