Wildfowl-shooting in the Marisma 113 
is) prejudicial to the next day’s operations, and it is clearly not 
worth the risk, for half-a-dozen shots in the twilight, to discount 
a hundred at dawn. 
The fewer shots ducks hear, the better. Never disturb them 
unless you have every reasonable prospect of exacting a propor- 
tionate toll. 
