ESSEX BIRD-MIGRATION. 193 16th October, Kentish Knock : Large numbers to N.W. and S.W., 7:30-9.30 a.m. Wind E.N.E.4. Overcast. 16/17th October, Kentish Knock : A few with Skylarks at 7 p.m. Wind E.4 ; clear sky, clouds and mist. 18th/19th October, Kentish Knock : Large numbers with Skylarks, 9 p.m. to 4 a.m. Wind S.E.2 ; fog. 19th/20th October, Kentish Knock : A few with many Sky- larks, 11 p.m. to 3 a.m. Wind S.W.4; dear sky, cloudy, clear. 29th/30th October, Kentish Knock : Many with other species, 9-11 p.m. Wind S.S.W.6 to 7 ; overcast, rain, clear. 31st October/ist November, Kentish Knock : Several with Skylarks, 10-12 p.m. Wind W.4 to 5; misty. 1st/2nd November, Kentish Knock : Several with Skylarks, 9-11 p.m. Wind W.3 to 2. Clear sky, cloudy, clear. 2nd November, Kentish Knock : Many large flocks, with other species to N.W., 8 a.m. to noon. Wind S.W.4; cloudy, clear. 8th/9th November, Kentish Knock : A few with other species, 8-12 p.m. Wind S.W.4; clear sky, cloudy, clear. 9th November, Kentish Knock : Many large flocks with Skylarks, 8 a.m. to noon. Wind S.W.4; cloudy, clear. 15th November, Kentish Knock ; Many small flocks to W.N.W., 10-11.30 a.m. Wind S.W.5 ; cloudy, clear. 1912. 17th/18th February, Kentish Knock : A few, 12-3 a.m. Wind S.2. ; overcast, clear to thick mist. 20th/21st February, Kentish Knock : Large numbers with a few Skylarks, 8-12 p.m. Wind W.4. ; thick mist. 22nd/23rd February, Kentish Knock : A few with Skylarks all night. Wind S.S.W.4 ; overcast, clear. 23rd/24th February, Kentish Knock : Large numbers with Skylarks, 11 p.m. to 2 a.m. Wind S.2 ; thick, misty rain. 25th/26th February, Kentish Knock : A few with other species, 1-6 a.m. Wind W.2 ; fog. 28th/29th February, Kentish Knock : A few with Skylarks, 9 p.m. to 3 a.m. Wind S.4 ; cloudy, clear. 11th/12th March, Kentish Knock : Large numbers with a few Chaffinches and Skylarks all night. Wind N.1 ; thick mist. 12th March, Kentish Knock : Several with other species about the ship all day. Wind W.1 ; thick mist. 12th/13th March, Kentish Knock : Large numbers with Skylarks all night. Wind W.S.W.2 ; thick mist.