Laridæ.--Terns. Spring: Arrived at Whalsey Skerries, Pentland Skerries, and Cromarty (Lesser Tern). Earliest May 28th, at Whalsey Skerries; and at Pentland Skerries, "arrived after hatching!" May 12th, and remained till August; belongs to an autumn movement (?); also at Cromarty, arrived on June 15th, left Aug. 20th. Terns appear irregular in hatching and dates of leaving various stations; but most left all stations in August, and recorded at Isle of May, passing S. Sept. 12th, 22nd, and 28th. Kittiwakes arrived in spring, at Isle of May, March 12th; only other record, in autumn, Sept. 22nd, at Isle of May (see Turdidæ); remained all August there, left end of month. Other species noted--Great Black-backed Gulls, flying S., Aug. 13th; large white Gulls, wheeling round Isle of May, Aug. 25th; Skuas (well described), Sept. 15th; and Oct. 19th and 29th, at Pentland Skerries, where they are "very rare." Note:--Skuas, Pomatorhine Skuas frequented the Hebrides most of the summer; I (J. A. H. B.) saw several west of Lewes, and one near Island of Rum in end of June. Iceland Gull.--A flight in December. Earliest Dec. 1st, at Sumburgh Head; latest 28th, at same place; and on 25th, same place, two, accompanying Swans. Storm Petrels.--At Whalsey Skerries two records, March 29th and June 22nd, in foggy weather, flying about lights. Autumn: Only one record of Fork-tailed Petrel at Isle of May, Aug. 15th, which struck, and was killed and sent to me, of which I now have the skin. Two pairs Common Petrel bred at Auskerry.