136 LAKE TROUT. 



along the central furrow ; there are many acute teeth 

 on the palatines and vomer ; the tail has a sinuous 

 margin ; the bases of the vertical fins are spotted, 

 and the flesh is coarse. 



The fin rays are : D. 14, P. 14, V. 9, A. 12, C. 21 f . 



In color it is blackish or bluish-black, with nume- 

 rous pale spots. It is taken with trolling tackle, but 

 rarely or never with the fly. The spawning season 

 is October, when it seeks the shallow water for that 

 purpose. 



