Osmerus mordax 



JZZZZZl 



w///A///tza. 



L.Utopia 



i/V/yy/M 



m 



^/////Y //// As/////\ 



L.Heney 



>- 

 CJ 



LU 



o 



UJ 



Osmerus spectrum 



L. Utopia 



L. Heney 



Wilton Pond 



28 29 30 31 32 33 34 35 36 



NUMBER OF GILL RAKERS 



Fig. 2. Frequency of gill raker counts in population samples of pygmy smelt, 

 Osmerus spectrum and rainbow smelt, Osmerus mordax. 



13 



