178 Storei-'s Synopsis of the Fishes of North America. 



and mostly concealed by the projection of the upper when the mouth is closed. Scales 

 small, oval. The upper lobe of the caudal fin is acuminate, the lower is obtuse. 

 D. 8. P. 14. V. 8. A. 7. C. 20. Length, 4 to 6 inches. 



Ohio, KlRTLAND. 



Exo£lo3suni Lesueurianum, Rough-nosed Dace, Raf., Kirtland's Report, pp. 169. 193. 



Exoglossum dubium, Sucker-moulhed Chub, Kirtland, Eo^t. Journ. Nat. Hist., v. p. 272, pi. 21, fig. 1. 



GENUS VIII. POECILIA, Schn. 



Body but little elongated, the ventrals not very far back, and the dorsal just 

 above the anal. Upper part of the head flat, the opercula large, rays three. 

 Jaws flattened horizontally, protractile, but little cleft, furnished with a single 

 range of small and very fine teeth. 



1. Pcecilia multilineata, Lesueur. 



Body compressed, wider towards the operculum. Lines and black spots forming longi- 

 tudinal bands upon the sides. Dorsal twice as long as high. Snout cuneiform seen in the 

 profile, fiat and wide seen from above. Scales moderate, rounded, and concentrically lined. 



D. 14. P. 16. V. 6. A. 9. C. 26. Length, 1A inches. 



Florida, Lesueur. 



Pcecilia muliilineata, Lesueur, Journ. Acad. Nat. Sc, ii. p. 4, pt. 1, fig. 1. 

 " " Dekav's Report, p. 215. 



2. Poecilia olivacea, Storer. 



Body oblong, head flattened above. All the upper portion of the body olive-colored, 

 sprinkled with minute black dots; a light spot on the top of the head. A broad black band, 

 commencing at the angle of the jaws, is continued the whole length of the body to the caudal 

 rays. The throat and abdomen are white The fins yellowish green ; the caudal rounded, 

 and spotted like the upper portion of the body. This species is caught at all seasons, swim- 

 ming on the surface of the water, catching at floating objects, and hence commonly called 

 Top minnow. 



D. 9. P. 13. V. 6. A. 12. C. 19. Length, 2i inches. 



Florence, Alabama, Storer. 



Puxilia olivacea, Storer, Proceed. Bost. Soc. Nat. Hist., July, L845. 



3. Poecilia catenata, Storer. 



Body oblong, compressed- Eight or ten interrupted longitudinal orange lines upon the 

 sides ; spots of a similar color upon opercles. Two bands passing from eyes to mouth ; the 

 upper yellowish green, the lower blue. Pectoral, dorsal, and anal fins yellow, and each of 



