204 THE SCOTTISH NATURALIST 



were passage migrants or our own summer visitors arriving. To 

 the former class undoubtedly belong the Redstarts recorded from 

 Pentland Skerries and Fair Isle between 8th and 22nd May, and 

 from these stations, the Bass and Isle of May, between 9th and 15th 

 June (the June birds being all females where the sex is noted), 

 while the last on spring passage is a male reported from Fair Isle 

 on 23rd June. 



Autumn movement is noted at the Isle of May on 13th July, 

 Tarbatness on 21st July, in West Renfrew two days later, and at 

 Balgay (Tay) on ist August. From i8th August to loth September 

 a lot of movement is recorded entirely from our southern stations 

 and lanterns, and probably relates to the departure of our breeding 

 birds. A Redstart was seen in Leith Docks on 13th October (i. 

 1914, 287), and passage migrants are recorded from stations in 

 Orkney and Shetland between 2rst and 31st October, and from the 

 Isle of May on the latter date. 



The Black Redstart, Phcoiicunis ochrurus gihraltariensis. — 

 Single birds are recorded from Pentland Skerries on 24th, 25th, 

 29th and 31st March and 17th April ("last year's male"), from 

 Fair Isle on 6th, 9th, and i8th April (all females) (i. 1915, 104), 

 the Isle of May lantern on the morning of 30th April, Tarbatness 

 lantern at 11 p.m. on 19th May, and Pentland Skerries on nth 

 and 1 2th June. 



In autumn quite an immigration took place ; a Black Redstart 

 appeared on Pentland Skerries on 21st October, and on the 23rd 

 there were several at this station, one or two on the Isle of May, 

 and one at Fair Isle (i. 191 5, 104). On 27th October an immature 

 male was procured on the Isle of Bressay (i. 1914, 287), and three 

 or four were seen at Brough Lodge, Fetlar, Shetland. From 30th 

 October to 5th November one to four were on Pentland Skerries, 

 and an adult male in winter plumage was sent to the Royal 

 Scottish Museum on the latter date, while on 31st October one 

 or two were on the Isle of May. See p. 154. 



The Norwegian Bluethroat, Luscinia svecica giifkei. — Single 

 birds arc reported from Fair Isle on 7th, 8th, nth and 12th June 

 (i. 19 1 5, 105), and from Pentland Skerries on loth June; both 

 sexes were represented, and the birds examined belonged to the 

 above form. See p. 154. 



The Redbreast, Erithacus nibecula. — Redbreasts, doubtless of 

 the continental form, wintered about Lerwick and Fair Isle. The first 



