The Collaborative International Dictionary of English v.0.48:

Dysteleology \Dys*te`le*ol"o*gy\, n. [Pref. dys- + teleology.]
   (Biol.)
   The doctrine of purposelessness; a term applied by Haeckel to
   that branch of physiology which treats of rudimentary organs,
   in view of their being useless to the life of the organism.
   [1913 Webster]

         To the doctrine of dysteleology, or the denial of final
         causes, a proof of the real existence of such a thing
         as instinct must necessarily be fatal.   --Word
                                                  (Dynamic
                                                  Sociology).
   [1913 Webster]