Yehezkel Melnik (sysykl@md2.huji.ac.il) wrote: : I have a simple question: Did the Amerindians knew and used sails : befor the Spanish arrival? Yes. I've already given the refs. Yuri. Yuri Kuchinsky in Toronto -=O=- Specializing in factitious editing of other people's posts since 1997 -=O=- my webpage is at http://www.io.org/~yuku Oh, what tangled webs we weave when first we practice to believe