Stover's Synopsis of the Fishes of North America. 159 



11. Leuciscus diplemia, IIaf. 



Back olive, abdomen white and silvery, llie 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 jaw slightly 

 projecting. Back elevated in front of the dorsal. 



D. 9. P. 14. V. 8. A. 9. C. 22. Length, 2 to 4 inches. 



All the Western streams, Kirtland. 



Scmolilus diplemia, Warty Chubby, Rap., Iclilh. Ohien., p 



" Red-sided Chub, Kim-land's Report, ( ata > p 169. 



Red-sides, Warty Chub, Kirtland, Bost. Journ. Nat. Hist., v p 27i" pi. 22, fig. 3. 



12. Leuciscus dorsalis, Raf. 



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, G to 10 inches. 



All the Western streams, Kirtland. 



Semotilus dorsalis. Big-back Chubby, Raf., Ichth. Oliicn., p. 49. 



" Smootb- headed Chub, Kirtland's Report, p. 169. 



Common i Ihub, Kirtland, Bosl Journ. Nat. Hist., v. p. 274, pi. 22, fig. I. 



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, Richardson. 



' l '"'•'" CLeui is u I i.: i!i : Saskatchewan Pace. Rich.. Fauna Boreal. Americ, ill. p. 120. pi. 7- 



Nu-natcheegaes, Crbg Indians. 



1 I iscusgra ilis, Rich.), Cuv. et Val., jcvii, p 



II. Leuciscus caurinus, Rich. 



Moderately compressed. Head one fourth of its entire length, exclusive of caudal. 

 Scales suborbicular, crenated exteriorly, and impressed with from foutteen 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, 12.} inches. 



