Mr. Oscar Iden-Zeller, the German explorer of Siberia, will give an illustrated lecture on "Explorations in Northern Siberia" in the Living Room of the Union next Tuesday evening at 8 o'clock. The lecture will be open to members of the Union only.

Mr. Iden-Zeller is an explorer who has been employed by the Russian Government for work in Siberia. He has some excellent stereopticon slides.