Thanks, Ray. That's the sort of thing I'm looking for. Bit vague though, isnt it? Lumping Wales and England together, there's no way of guessing whether N Wales or the Lakes were the last to go. And this is the critical area of dates...I havent as yet managed to work out exactly when William Irwin's son was reputed to be collecting eggs, but it's got to be somewhere in the 1840-1860 period. What it intrigues me, you see, is the possibility he might have got the last one! And I want to find out.