Leipzig: Lipsius & Tischer, 1894. First Edition. unbound. Ein neuer experimenteller phylogenetischer Forschungsweg. 60pp. 8vo, stitched, new wrappers. Kiel und Leipzig, 1894. Very good. very good.
A proposal to test Darwin's theory of natural selection, by a German physician who is best known for Die Carcinomlitteratur, his important contribution to history of oncology (G-M 2661).