Diamond puzzle

 Diamond Puzzle

The head of a mouse, what the mouse lives in, the county of calves, the city of porcelain, a German town, a Transatlantic stream, a royal county, a Yorkshire borough, Eve's temptation, our poor relation, myself. Centrals down and across, show a wide, wide, long river.
The construction of the Diamond Puzzle is exhibited in the following diagram, which is, at the same time, the answer to it.
puzzle 2