Show Fossils Though historical geology and the study of ot ancient life lite depend chiefly on fossils the term has bas been very vaguely and loosely applied As a precise precise pre pre- cise else definition a n writer In la Science proposes proposes pro pro- proposes poses A fossil Is an nn object which I Indicates former existence of ot an organism or- or which has been burled and nd preserved preserved preserved pre pre- served by geological causes previous to historic time Time The mastodon preserved preserved pre pre- served ell In the arctic Ice Is a fossil a I leaf eat buried burled in the gutter Is not and anda a l truly petrified organism may not Dot be bea a 11 fossil A |