Small folio, title, pp. 1-8 preliminaries, pp. 9-90 text, 1-6 hand-coloured copper-engraved plates, modern 1/2 straight-grained dark red morocco over marbled boards, original wrappers bound in. The author was a remarkable professor of anatomy and surgery teaching and practicing at Leipzig University, who was also very interested in mineralogy. The caves described in this book were on the road to Erlangen, where he had studied medicine. Coloured plates in order: 1. Aussere. Ansicht der Rosenmullershohle. 2. Die Rosenmullershohle von Innen. 3. Grotte aus der Rosenmullershohle. 4. Der Bronnenstein. 5. Eingang zur Gailenreuther Hohle. 6. Die Riessenburg.