Reference

Charles Atwood Kofoid, M. Bush (1936): The life cycle of *Parachaenia myae* gen. nov., sp. nov., a ciliate parasitic in *Mya arenaria* #Linn#. from San Francisco Bay, California – Bulletin du Musee Royal d Histoire Naturelle de Belgique. Fortgesetzt: Bulletin de l Institut Royal des Sciences Naturelles de Belgique. – 12/22: 1 - 15.