182 LE NATURALISTE CANADIEN 



then seen that its afïinities were with the genus Leuciscus rather 

 than with Couesius, and that it was entitled to full spécifie 

 rank. 



The Gaspé fish are small, rarely exceeding four inches in 

 length, but, hke ail the cyprinids of the peninsula, are brillantly 

 colored, the maies well deserving the name " redfish ", by which 

 this species is known locally in Loggieville. The Miramichi 



Couesius plunibeus Agassiz (en haut) et deux 

 Leuciscus rubrilateraUs Cox. 



Redfish are much larger, often attaining a length of six inches, 

 but the coloration is dull, except in the breeding season, when 

 the rosy hues are intense on the maies but only perceptible on 

 the females. 



The accompanying plate shows an example of C. pluvibeus 

 above, and two Black Brook spécimens of L. rubrilateraUs, a 

 female, and a maie, below. 



The type may be described as follows : — 



