Cable, French Atlantic - First French transatlantic cable arrived on this continent in Duxbury in 1869.

Camps -

Cemeteries - Burial grounds and crematorium in Duxbury.

Churches - Active and defunct churches.

Civil War -

Clamming - Harvesting clams and other bivalves in Duxbury Bay.

Clapp Laboratories - See Battelle Memorial Institute.

Clark's Island - Privately owned island was Pilgrim's landing place prior to Plymouth. Annual picnic is held in August by Duxbury Rural and Historical Society.

Community Preservation Act - Fund for preservation of open space and historic places raised by local property tax surcharge and state monies.

Conservation - Efforts to preserve resources and rural character of town.

Coyotes

Cranberries - Cultivation of berries as a crop which began in town before the Civil War.

Crime