38 



SUBGENUS CLINOSTOMUS. 



Red-sided Shiner. (Leuciscus elongalus. ) 



(33) Red-sided Shiner. 



(Leuciscus elongatus.) 



Body elongate, fusiform with long and slender caudal peduncle ; head 

 large, with long pointed snout. Mouth wide, with projecting low r er jaw. 

 Caudal large and deeply forked. The lateral line is abruptly decurved 

 over the front half of the pectoral. 



D. III., 7; A. III., 7; V., 8; P., 14. Teeth, 2, 5-5, 2, hooked, some 

 of them with a narrow grinding surface. Colour, dusky bluish, somewhat 

 mottled ; a broad black lateral band, the front half of which is bright crim- 

 son in spring males and which is persistent in most specimens through the 

 summer. 



A very abundant species found in most streams in southern and 

 central Ontario. One of the handsomest of our creek fish. 



GENUS ABRAMIS. (BREAM.) 



Body subelliptic ; strongly compressed, both back and belly curved ; 

 back narrowly compressed, almost carinated ; belly behind ventral fins 

 forming a keel over which the scales do not pass. Head small, conic ; 

 mouth small, oblique or horizontal, without barbels; scales rather large; 

 lateral line continuous, strongly decurved ; dorsal fin inserted behind the 

 ventrals; anal fin with its base more or less elongate ; teeth 5-5, hooked, 

 with grinding surface, the edges more or less crenate or serrate; aliment- 

 ary canal short, though rather longer than the body. 



SUBGENUS NOTEMIGONUS. 



(34) Butterfish. Golden Shiner. 



(Abramis crysoleucas.) 



Body somewhat elongate, much compressed ; head short, low, com- 

 pressed, mouth small, oblique, the maxillary not reaching eye; lateral line 

 much decurved. The dorsal fin higher than long, situated on middle of 

 body. Caudal forked. Scales, 10-53-3. Teeth, 5-5, hooked and with 

 grinding surface. 



D., 8; A., 13. 



