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WASHINGTON, D.C.
Meeting 296
Cosmos Club
Wednesday, April 28, 1915
Thomas Wayland Vaughan, President C. H. Wegemann, Meeting Secretary
Charles Whitney Gilmore—US National Museum—Some new dinosaurs.
Clarence Norman Fenner—Geophysical Laboratory—A geological reconnaissance of Porto Rico.
Robert Browning Sosman—Geophysical Laboratory—Types of columnar structure in igneous rocks.
Attendance: 0
Minutes not available.
Published account of meeting appears in: J. Wash. Acad. Sci. 5, 484-493