9A12 Theoretical Morphology July 10 Setler, Theorl Morph reflects is related to practical morph P. Meyer - Practicis Mermms Data from some subs of a taxa extrapolated to others of prop families gymnosperms of Carl. Taxonomy - Break down of objects into Classes or archetype archetype is a [illegible] word study: Theory of dismemberment is meronomy. Repeating polymorphic sets or character units. Similar der of leaves in Benmellellans & Cycads.