September.—At N. Unst, numerous on 20th, and flock of five on 1st; N., fresh, clear. A few at Bell Rock, and an increase observed on 15th there; wind S.S.W. and S.W., light.
October.—On 4th and 5th, a number on Bell Rock; S.W. strong breeze, haze. Rested on rock; light breeze on 5th.
Muscicapidæ.—August.—At Pentland Skerries, one on 10th on island; N.W., cloudy.
September.—At Pentland Skerries, one or more on 5th all day; fresh N.E. Do., two or three on 29th all day; fresh E. Do., a few on 30th all day, N.N.E., cloudy.
October.—At Pentland Skerries, one or two all day on 5th; strong N.W., cloudy.
From the above it is evident Pentland Skerries is a regular resting place most seasons. No doubt the Pied Flycatcher is intended throughout.
Hirundinidæ.—May.—13th, at N. Ronaldshay, two, 5 P.M.; N.N.E., fresh, clear. 11th, at Pentland Skerries, "Arrival of all day;" N.W., clear. 15th, do. do., all day; W.N.W., clear; on lighthouse. 26th, do. do., one, 12.30 P.M.; light N.E.; flying W. 14th. at Dunnet, two, 4 P.M.; light W. breeze, clear.
June.—26th, at N. Unst, two, 8 P.M.; S.W., clear, "rarely seen." 5th, 6th, and 7th, at Pentland Skerries, number all day; strong E., haze; variable and fresh. 17th, at Pentland Skerries, several all day; moderate E.N.E. breeze, fog; flying about lighthouse,
August.—27th, at Dunnet, two at 4.30 P.M.; S.E., clear.
September.—1st, Pentland Skerries, three at 11.40; strong clear, E.