The Collaborative International Dictionary of English v.0.48:

Organology \Or`ga*nol"o*gy\, n. [Organ + -logy: cf. F.
   organologie.]
   1. The science of organs or of anything considered as an
      organic structure.
      [1913 Webster]

            The science of style, as an organ of thought, of
            style in relation to the ideas and feelings, might
            be called the organology of style.    --De Quincey.
      [1913 Webster]

   2. That branch of biology which treats, in particular, of the
      organs of animals and plants. See Morphology.
      [1913 Webster]