Devon charm to counter the bad luck of ill omened birds

Collard Dove - by DemonTraitor, wikipedia, under a creative commoncs lecence http://upload.wikimedia.org/wikipedia/commons/b/bd/Collared_dove.jpg

"ONE should repeat seven times the following :

" Clean birds by sevens, unclean birds by twos,
The dove in the heavens, is the bird which I choose.""

Hewett 1900