Bird skeletons found in a hollow tree

IN January, 1948, a number of bird skeletons were found by Mr. Robert Aldridge in a hollow in the trunk of a wych elm felled near Fleet, Hants. As the writer was unable to examine the tree with the bones in situ Mr. Aldridge very kindly arranged for the material to be sent. The hollow, a rough sketch of which was provided,, was about eighteen inches in diameter and twelve feet deep. The only entra...