FISH OF ONTARIO. 43 



This species is recorded by Evermann and Goldsborough from Lake 

 of the Woods and Rainy River. 



(46) Notropis atherinoides. 



Head, four and two-thirds; depth, five and a half j eye three and a 

 quarter. Body long and slender, compressed, the back not elevated. 

 Head blunt, conic, proportionately shorter than in related species. Mouth 

 moderate, very oblique, upper lip on level of upper part of pupil ; maxillary 

 about reaching front of eye. Eye large, rather longer. than- snout. Fins 

 low ; dorsal well behind vtntrals ; tips of ventrals extending to beyond 

 middle of dorsal. Lateral line decurved. 



D., 8; A., II ; scales, 5-38-3; 15 before dorsal; teeth, 2, 4-4, 2. 



Colour translucent green above ; sides bright silvery ; scales above 

 faintly punctate, but not enough so to render them dark-edged, nor to 

 form blotches along sides ; a faint dark vertebral line ; males in spring 

 with the snout rosy. Length, four to six inches. 



This species ranges from the St. Lawrence River through the Great 

 Lake region to Manitoba. 



(47) Notropis rubrifrons. 



Head, four; depth, four and three-quarters; eye, four. Body mod- 

 erately elongate, the back scarcely elevated, caudal peduncle somewhat 

 contracted. Head longer than in most related species, conic and rather 

 pointed. Mouth rather large, very oblique, upper lip above line of middle 

 of pupil, maxillary reaching to opposite eye. Eye moderate, anterior, 

 usually shorter than the sharp snout. 



D., 8; A., 10; scales, 5-39-3, those before dorsal large, 15 to 17 in 

 number; teeth,. 2, 4-4, 2, little hooked. 



Colour olivaceous above ; scales with darker edges ; sides silvery ; a 

 dark vertebral line ; a row of dark dots along base of anal ; males with the 

 snout tuberculate in spring ; the forehead, opercular region and base of 

 dorsal being then flushed with red. 



Length, two and three-quarters inches. 



This species is recorded from the St. Lawrence River and Lake of the 

 Woods (Evermann and Goldsborough). 



Subgenus LYTHURUS. 



(48) Redfin Minnow. 



(Notropis umbratilis.) 

 Body compressed, the caudal peduncle long; head long, conical, 

 rather pointed ; mouth large, moderately oblique lower jaw somewhat pro- 

 jecting ; eye mxoderate ; scales closely imbricated, crowded anteriorly ; 

 dorsal fin high, inserted about midway between ventrals and anal ; pec- 

 torals not reaching ventrals ; caudal long ; lateral line much decurved. 

 Scales, 9-40 to 52-3. Teeth, 2, 4-4, 2. D., 7; A., 11. 



