Here is Indiana Puzzle. It looks a lot like a snail trail:
http://www.bellaonline.com/articles/art5241.asp
Here is the snail trail: http://www.compuquilt.com/blockimg/2003Blocks/SnailTrail.htm
http://www.make-it-easy.com/snail2.html
http://blockcentral.com/snailstrail.shtml
http://www.hgtv.com/hgtv/cr_quilting_blocks/article/0,1789,HGTV_3299_1374056,00.html
Hope this helps. Merry Christmas!