124 THE SCOTTISH NATURALIST 



were seen in Largo Bay on i8th June, three there on 9th July, 

 and five off Tentsmuir Point on 23rd July. 



Great Northern Diver, Colymbus immer. — Seen in Luce 

 Bay on ist May, and Oban to loth May. 



Black-throated Diver, Colymbus arcticus. — One was in Largo 

 Bay on 19th April, and on 22nd April the species arrived at one 

 of its West Highland breeding lochs. On 30th September one 

 was on the Firth of Forth, near Inchkeith. 



Red-throated Diver, Colymbus stellatus. — Seen round the 

 coasts till 19th April, and arrived at inland loch 22nd April. 



Wood-Pigeon, Columba palumbus palumbus. — One or two seen 

 Isle of May, loth, i8th, and 19th May, and 24th September, and 

 one at Vallay (O.H.) on loth November. On i6th November 

 a large movement to the east was going on over Largo up to 

 10 A.M., and arrivals from the south were seen on the Isle of 

 May. Huge numbers of Wood-Pigeons are reported during 

 December from E. Fife, parts of Perthshire and the Borders, 

 while a migration to the south was observed on the Isle of May 

 on 6th December. 



TuRTLE-DovE, Streptopelia turtur turtur. — Single birds are noted 

 at Carsethorn, Kirkcudbrightshire, on 14th May (i. 1921, 125), 

 Poolewe, W. Ross, from 6th to i6th June, Foula (2) on i6th June, 

 Hyskeir on 5th and 6th September, Isle of May on iSth, and 

 Leswalt, Wigtownshire, on 22nd September. 



Oystercatcher, Hcematopus ostralegus ostralegus. — Breeding 

 birds arrived on Pladda on i6th February, and Tiree 9th March. 

 On 1 8th June a flock of 250 w^as seen in Tayport Bay, on 

 29th July twenty-five passed over Hareshawmuir, going S.-W. 

 Huge flocks were at St Andrews on 31st August, and Oyster- 

 catchers at the Isle of May lantern on 2 8/2 9th September. 



Ringed Plover, Charadt-ius hiaticula hiatiaila. — Movement is 

 recorded between 22nd and 28th February from Largo Bay, Fair 

 Isle, Noss Head, and Pladda. On 2 8/2 9th September many were 

 at the Hyskeir lantern, and one at the Isle of May lantern on 

 2ist November. 



Golden Plover, Charadjius apricarius. — On 28th February 

 some were at the Pladda lantern, and much return to breeding 

 grounds is recorded in March and April. A great northward 

 movement on ist May was seen at Fenwick, Ayrshire (2. xs^ 89), 

 and Golden Plover at the Isle of May lantern on 5/6th May were 

 probably birds on their way to nest overseas. On 7th June " small 



