Guinea pig's milieu (3 letters)

Borodin's operatic prince (4 letters)

It acted up in Nov. 1928 (4 letters)

Kanten (4 letters)

Genetically abnormal one (6 letters)

Be a stool pigeon (3 letters)

Palindromic plan for freshening part of a lab (15 letters)

Volcano (4 letters)

Role in a Mel Brooks film (4 letters)

Part of an instrument measuring fluid pressure (5 letters)

Chow chow chow (4 letters)

Retrievers' relievers? (4 letters)

Supporting member (4 letters)

Word on a scale (4 letters)

Organic compound (4 letters)

Depside is one (5 letters)

Initials for a pound (4 letters)

Résumé, of a sort (3 letters)

Can. province (3 letters)