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Note: Do not rely on this information. It is very old.
Swallowtailed Butterfly
Swallow-tailed Butterfly, any member of the family Papilionidae having lengthened processes of the hind wings, making a form resembling a swallow's tail.
Swallow-tailed Butterfly, any member of the family Papilionidae having lengthened processes of the hind wings, making a form resembling a swallow's tail.