Ontogeny and systematics

The Biological Basis Of Homology / V. Louise Roth -- Indirect And Direct Methods In Systematics / P.h. Weston -- The Characteristics Of Ontogeny / A.g. Kluge -- The Systematic Implications Of Pollen And Spore Ontogeny / S. Blackmore And P.r. Crane -- Relations Between Ontogeny And Phylogeny With Reference To Bryophytes / B. Mischler -- Age-dependent Evolution / H.m. André -- Epigenetics / S. Løvtrup. C.j. Humphries, Editor. Based On The Proceedings Of A Symposium Held In Brighton, Sussex, England, On July 5, 1985, At The Third International Congress Of Systematic And Evolutionary Biology. Includes Bibliographies And Index.