10: On certain occasions but not always.
13: Author of Adventures of Huckleberry Finn
14: Writers, artists and movie-makers can only speculate about this physical attribute of dinosaurs.
21: A traveler riding in a vehicle but not operating it.
23: A diagrammatic representation of a part of the earth's surface.
24: Terminate; do away with.
25: 'Thrilla in Manila' victor