link words :--swallow dive.toffee apple.signature tune and swan --- ?[for some unknown reason I have tundra,] must have gone wrong on Sat ? also help needed 20a study of history & proper names ?n???????s [10 letters] 19a wander off the point ???R???[7 letters] brain dead this morning, help appreciated.
For your edification, Dee Sa, Tundra Swan is another name for the Berwick's swan. Me brain dead too, but I have a very good bird book. I digress!
Good luck,
Y.Odinlim.