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
What I Mean to Say Is Goodbye on my feet. I'd say, 'Jackie, go on.' Jackie would look up at me and his purr would get a little louder, but he would not leave." The title of the album was taken from a song of the same name, "What I Mean To Say Is Goodbye", which was later cut during the sequencing process and remains unreleased. Design and layout for "What I Mean To Say Is Goodbye" was created by Grammy-award winning designer, Peter Buchanan-Smith, and features original artwork, liner notes, and a short story by Tom Brosseau. What I Mean to Say Is Goodbye What I