Physiology of dinosaurs and that this was a feature they shared with birds. In 2007 Oliver Wings reviewed references to gastroliths in scientific literature and found considerable confusion, starting with the lack of an agreed and objective definition of "gastrolith". He found that swallowed hard stones or grit can assist digestion in birds that mainly feed on grain but may not be essential—and that birds that eat insects in summer and grain in winter usually get rid of the stones and grit in summer. Gastroliths have often been described as important for sauropod dinosaurs, whose diet of vegetation required very thorough digestion, but
Refusing to assist a police officer arrest or in preventing the commission of any offense by another person." Title 24: Municipal and County Government Chapter 5: COUNTY OFFICERS; POWERS AND DUTIES § 300. May require assistance "A sheriff or other officer in the discharge of the duties of his office, for the preservation of the peace, or the suppression or prevention of any criminal matter or cause, may require suitable assistance." § 301. Penalty for refusal to assist "A person being required in the name of the state by a sheriff, deputy sheriff, high bailiff, deputy bailiff or constable, who neglects or refuses to assist such