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University Calendar

*Open to University. **Open to Public.

Tuesday, April 25.

**MORNING PRAYERS. Rev. Dr. Alexander Mann. Appleton Chapel, 8.45 A. M. The University preacher may be found at Wadsworth House 1 daily from 9 to 11 o'clock in the morning.

*LECTURE. "Geology of Fuels, Fluxes, and Refractory Materials." XII. Professor Graton. Rotch Building, 8 A. M.

BUSSEY SEMINAR. "Studies on Oenothera." Dr. Bradley M. Davis. Bussey Institution, 3 P. M.

GEOLOGICAL CONFERENCE. "Geographic Aspects of Coffee Culture in Brazil," (Illustrated). Professor Ward. Mineralogical Lecture Room, 4.30 P. M. Open to graduates and to members of the University.

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**LECTURE. "The Mutual Relations of the Exact Sciences." Professor Svante A. Arrhenius, Director of the Nobel Institute of Physical Chemistry, Stockholm, Sweden. New Lecture Hall, 8.15 P. M.

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