Puzzle 4

Plain __; making smooth progress.

Fibrous protein from which turtle shells are made.

Ancient site of the Hanging Garden.

Duchess of Cornwall, married to Charles.

Gathering of old friends, e.g. ex-classmates.

Craving, yearning.

The __ of Mercy, named after a Leonard Cohen song.

Correct amounts of medicine.

German city with twin-spired cathedral.

Henri, French painter of Bathers with a Turtle.