title: Dueling hypotheses: circatidal versus circalunidian battle basics--second engagement.
authors.affiliation: Department of Biology, University of Massachusetts, Amherst 01003, USA.
authors.forename: J D
authors.initials: JD
authors.lastname: Palmer
mesh_terms: D000204:Activity Cycles / Q000502:physiology*; D000818:Animals; D003386:Brachyura / Q000502:physiology*; D002940:Circadian Rhythm / Q000502:physiology; D008954:Models, Biological; D016081:Moon; D009043:Motor Activity / Q000502:physiology