From the June 10, 1933, issue

BRAINLIKE STALAGMITES FOUND IN MARYLAND CAVE

Stalagmite deposits shaped like human brains have been found on the floor of a newly discovered cave in Mount Etna, near Beaver Creek, Md., about 60 miles from Washington. James H. Benn of the Smithsonian Institution staff, who was detailed to make a geological investigation, brought one of them back with him for the U.S.