Shades of da Vinci

“Bird and Butterfly,’’ by the late Varujan Boghosian, in the show “Varujan Boghosian: Material Poetry,’’ at the Cahoon Museum of American Art, Cotuit, Mass., through Dec. 22.

The museum explains that the show includes collages and mixed-media pieces that span Boghosian’s career, including rarely seen artworks from the collection of his daughter, Heidi Boghosian. “Well-known as an art professor at major American universities, Boghosian played a large role in the Provincetown art colony, influencing generations of artists and writers.’’