19 



OS a 







2, ^ 



.2" * 



Ui . CQ 



t I 1 I ! 



II 1 



!i I 



X I X 



I ! 



Local on sand dunes along coasi 

 Local. 



Common in R. Deveron. 



{Common in ditches and shallo' 

 water. 



Common. 



Appears to be very rare. 

 Common. 



Common. 



On sandy coasts and dry inland 

 banks. 



Common. 

 Common. 



