I. Réapparition du genre Arethusina Barr. (Une planche) : II. Faune silurienne des environs de Hof, en Bavière. (Une planche)
Prague, L'auteur, 1868
1868
Harvard University, Museum of Comparative Zoology, Ernst Mayr Library
Copyright Status:
Public domain. The BHL considers that this work is no longer under copyright protection.