Poznan 1913 Society of Friends of Science. 12.5x19 cm, pp 84, V, soft cover. Good condition (ownership stamp, cover soiling).
In contents: Domestic flora and entomology, also domestic spiders, eddies and crustaceans. General paleontological collections. Paleozoic formations. Mesozoic formations (Triassic, Jurassic, Cretaceous). Tertiary formations. Quaternary formations (Diluvium and subluvial period, national diluvial vallins from various formations). Domestic zoological collections. General and national mineralogical collections.