Brief description ofthe section devonian von udden j a (1 Ergebnisse)

A Brief Description ofthe Section of Devonian Rocks Exposed in the Vicinity of Rock Island, Ills., with a Statement of the Natire of its Fish Remains. 3 S., Mit: LINDAHL, J.: Description of aDevonian Ichthyodorulite, Heteracanthus uddeni, n. sp., from Buffalo, Iowa.