Page:The Zoologist, 4th series, vol 5 (1901).djvu/76

52 eaves of the church at Nantglyn, Denbighshire. The first, which emerged at 7.15, was followed at short intervals by seven others, and at 7.27 between twenty and thirty appeared in quick succession. On several evenings in the spring of 1900 I timed the Noctules as they left their den in the dead limb of a beech at Alderley Edge, and later in the year I made some observations on a second colony which had its quarters in the hollow trunk of a living Scotch fir in the same district. The results are summarised in the following table:—