Contenido: Homology and the inference of systematic relationships: some historical and philosophical perspectives / Andrew V.Z. Brower -- A survey of primary homology assessment: different botanists perceive and define characters in different ways / Julie A. Hawkins -- Experiments in coding multistate characters / Peter L. Forey and Ian J. Kitching -- On characters and character states: do overlapping and non-overlapping variation, morphology and molecules all yield data of the same value? / Peter F. Stevens -- Heuristic reconstruction of hypothetical - ancestral DNA sequences: sequence alignment vs direct optimization / Ward Wheeler -- 'Cryptic' characters in monocotyledons: homology and coding / Paula J. Rudall -- Process morphology from a cladistic perspective / Peter H. Weston -- Homology, coding and three-taxon statement analysis / Robert Scotland -- Characters, homology and three-item analysis / David M. Williams and Darrell J. Siebert.

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