Red-throated Diver (Colymbus septentrionalis).—A pair on a small loch near Walls, 21st May. We afterwards probably saw one of the same birds, flying overhead with outstretched neck, and uttering its strange unearthly cry. These were the only Divers seen, except a single bird on the sea near Yell, which was perhaps C. glacialis.
Storm Petrel (Procellaria pelagica).—Their nesting-holes were shown on an island near Scalloway. We saw also some eggs taken in 1897 at Brindister.
Manx Shearwater (Puffinus anglorum).—We saw, on Foula, an unblown egg which had been taken on 18th May.
Fulmar (Fulmarus glacialis).—Multitudes on certain parts of the Foula cliffs, as at the Kaim and Smalie. They had just begun to lay; we saw an unblown egg taken about 25th May. The increase of this species, which established itself on Foula some time between 1870 and 1880, is very remarkable.
