[20]
Occasionally, even when they hear no sound, some fancy or conviction prompts them to jump hither and thither past and through the same objects, mixing the tracks as they retreat.
This work is licensed under a
Creative Commons Attribution-ShareAlike 3.0 United States License.
An XML version of this text is available for download, with the additional restriction that you offer Perseus any modifications you make. Perseus provides credit for all accepted changes, storing new additions in a versioning system.