Dated Lincoln and Ely Fens. DEAR COUSIN, I suppose I must call you so, though I declare I know not how we are related. But, though I am thought so very wild and shy, I have still a kind of fellow-feeling for you; and, if you have not gone to the spit before this comes to you, I should be glad of your reply in a friendly way. You know very well that you are intended to be eaten, and so are we - when they can catch us. I understand that you never fly and that you seldom waddle above a meadow's…