Back brownish colored; anal fin rays usually 8 



Sunapee Trout 



Salveliniis aureolus Bean 



p. 49 



Back dark blue; anal fin rays usually 9 or 10 



Blueback Trout 



Salveliniis oquassa (Girard) 



p. 51 



(It is difficult to find distinctive differences between these two trout. At 

 least one ichthyologist is inclined to lump them together as populations 

 of Arctic Charr, Salveliniis alpiniis (Linnaeus).) 



24 



