Printed forms of enquiry and letters of instruction were forwarded to thirty-eight lighthouses on the west coast of Scotland and the Isles. Twenty-four stations have sent in returns, and fourteen have either sent none, or have returned blank forms, owing to the scarcity of birds. The stations from which co-operation was asked are as follows, commencing with the most northerly and those from which returns have been received are marked with a *:—
*Cape Wrath, Sutherland; white and red alt., rev. every minute. J. M'Gill.
*Rhu Stoir, W. Cromarty; white, interval 1 minute. William Wither
*Butt of Lewis, Lewis; white, fixed. George Edgar
Stornoway, Lewis; 2 lights, white, rev. ½ m., & white, fixed. R. Murray
*Island Glass, Harris; white, fixed. William Lines
Ushenish, North Uist; red, fixed
*Monach Island; same tower, upp. white fl., low. red, fixed. J. Youngclause
Barra Head, Barra; white, interval 2½ minutes
Rona, Skye; white fl., every 12 seconds. David Dunnett