Puzzle 13

Proceeds speedily, in the manner of a cockroach.

Gathers poems.

Andrea, Renaissance architect from Venice.

Study of mammals aka mammalogy.

To upend or topple.

Price deduction.

Positive sign or portent.

Sweet-and-sour drink made from citrus.

Venice, Berlin and Cannes festivals, collectively.

Having been straightened, disentangled.

French mechanical submarine launched in 1863.

Place where ill people are treated and operated on.