Hi, Rusty!
I am home again.
As I walked there and back, I added two miles to my walk!
Thereby doing about five miles in all, this afternoon.
I shall either keep fit....or wear myself out!
I am understanding your parsing.......thank you for your efforts.......but, none- the- less, I think it a poorly written clue?
I liked 2a: instituted, and 16d: amendment."
It is a shame about the third egg.
Only two chicks hatched last year, too.
Still, at least the two existing chicks are flourishing, under the attentive care of their parents!
Right......I'd better go feed the dog!