Puzzle 18

1880s faction of the US Republican Party.

Purchaser of paintings for galleries, etc.

Beer cooler.

Relating to gas exchange sacs found in the lung.

Glass-covered room for letting in sunlight.

Testosterone and cortisol, for example.

A long-open investigation needing more evidence.

Pain around the spine or hips.

Wood-eating insects that never sleep.

Our galaxy, containing our solar system.

Imitate the appearance of something.

Cold tomato soup from Spain.