95 





W ,5 



M , n 



dry 



! X 



dry X 



i 



Alien. 



Local. 



Very rare. 



In marshfa — local. 



Coast. 



In pools and slow-running water. 



In marehes. 



In R. Deveron, frequent. 



f Washed in on rocks near Banff 

 \ Harbour and near Gardenstowa 



Common. 



{Apparently scarce but probably 

 overlooked. 



