1919-1943 Includes the following papers: Jensen, Gronlands fauna et forsog paa en oversigt (87 p., 1 folded map) / Jensen, Concerning a change of climate during recent decades in the Arctic and Suarctic regions ... (75 p., 2 maps) / Smith, Climatic Relations of the Tertiary and Quaternary Faunas of the California Region (51 p.) / Heberdey, Die Bedeutung der Eiszeit für die Fauna der Alpen (60 p., 1 map) and 5 others.