Storer’s Synopsis of the Fishes of North America. 11 
11. Leuciscus diplemia, Rar. 
Back olive, abdomen white and silvery, the sides iridescent and violaceous, marked with 
irregular and interrupted black lines on the posterior edges of the scales. Fins orange-col- 
ored in the females, violet or red in the males. Head flat between the eyes. Snout rounded, 
and in the males warty, Opercular angle with a diaphanous membrane. Under jawslightly 
projecting. Back elevated in front of the dorsal. P 
D.9. P.14. V.8. A.9. C.22. Length, 2 to 4 inches. 
All the Western streams, Kirrianp. 
Semotilus diplemia, Warty Chubby, Rar., Ichth. Ohien., p. 50. 
ig ce Red-sided Chub, Kirtnanp’s Report, Catalogue, p. 169. 
Ui os Red-sides, Warty Chub, Kirttanp, Bost. Journ. Nat. Hist., v. p. 276, pl. 22, fig. 3. 
12. Leuciscus dorsalis, Rar. 
Head and back bronzed. A brown stripe extends from the base of the tail to the head 
above the lateral line. Abdomen white and silvery. Fins fulvous, the anterior part of the 
base of the dorsal and the centre of the base of the caudal marked with a dark brown or 
black spot. Back gibbous anterior to the dorsal fin. 
D.8. P.(?). V.8. A.8. C.20. Length, 6 to 10 inches. 
All the Western streams, Kirrnawnp. 
Semotilus dorsalis, Big-back Chubby, Rar., Ichth. Ohien., p. 49. 
ge a Smooth-headed Chub, Kirrnanp’s Report, p. 169. 
i oF Common Chub, KirtLanp, Bost. Journ. Nat. Hist., v. p. 274, pl. 22, fig. 1. 
13. Leuciscus gracilis, RicHARDSON. 
Pale oil-green on the back, fading to white on the belly. Sides of the head nacreous. Head 
small. Scales large and thin. Lateral line straight, with fifty-five scales; seventeen scales 
in a vertical row under the dorsal, of which seven are above the lateral line. 
D.9. P.17. V.8. A.10. C. 19%. Length, 12 inches. 
Northern regions, Ricuarpson. 
Cyprinus (Leuciscus) gracilis, Saskatchewan Dace, Ricu., Fauna Boreal. Americ., 111. p. 120, pl. 78. 
No-natcheegaes, Cree INDIANS. 
L’Able gréle (Leuciscus gracilis, Rrcw.), Cuv. et Vau., xvii. p. 324, 
14. Leuciscus caurinus, Ricu. 
Moderately compressed. Head one fourth of its entire length, exclusive of caudal. 
Scales suborbicular, crenated exteriorly, and impressed with from fourteen to twenty fine but 
conspicuous lines, radiating from near the base, which is neither furrowed nor crenated. 
Seventy-five on the lateral line, twenty-four in a vertical line before the dorsal, and ten in a 
linear inch measured on the fore part of the sides. Caudal deeply forked. 
D.10. P.18. V.10. A.9. C.19§. Length, 124 inches. 
