A comparison/contrast essay should follow an outline somewhat similar to the following: introduction (with thesis statement), comparison point number one, comparison 2, comparison 3, contrast 1, contrast 2, contrast 3, conclusion.
A complete summary of each essay can be found here. Analysis is included. http://www.bookrags.com/essay-2003/8/21/23450/0216/
http://www.bookrags.com/studyguide-vintage-hughes/chapanal012.html