Word of the Day for Friday, February 1, 2013
atavistic \at-uh-VIS-tik\, adjective:
of, pertaining to, or characterized by atavism; reverting to or suggesting the characteristics of a remote ancestor or primitive type.
Buck exhibits atavistic characteristics when his instincts and memories of an impossibly distant past "call" him and reassert themselves into his behavior.
-- Jack London, The Call of the Wild