Professors R. T. Jackson and J. B. Woodworth, of the Department of Geology and Geography, will conduct a paleontological and geological excursion to Yorktown, Virginia, during the April recess, leaving Boston on Friday night, April 12. The party will spend Saturday, April 13, in Baltimore at the Johns Hopkins University, leaving there at 5 o'clock by boat for Yorktown, Virginia. A limited number of members of the University who may be interested in visiting Yorktown will be welcomed. Members of the party may return at any time before the close of the recess via Newport News, or via Richmond, Fredericksburg and Washington. For further information address Professor J. B. Woodworth, Room 24 of the Geological Museum.