Is there a Twain sketch titled "Alligator Jack" -- separate
from what Twain wrote in _Life on the Mississippi_ -- about
Captain/Major John (Jack) B. Downing as described at this web
site for "Historic Middleport" Ohio ?

http://www.meigscountytourism.com/facts.htm

The same story is alluded to at a Downing family website at:

http://www.expage.com/page/alligatorjack

Thanks,
Barb