- An American butterfly, Polygonia interrogationis, whose wings are mottled with various shades of red and brown and have violet tips.
- Polygonia interrogationis on Wikipedia.Wikipedia
- Polygonia on Wikispecies.Wikispecies
- Polygonia interrogationis on Wikimedia Commons.Wikimedia Commons
Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for violet-tip in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)