REPORT ON SCOTTISH ORNITHOLOGY IN I915 211 



2nd May. Common Terns were first observed in Largo Bay on 

 3rd May, Crail on 5th, Bell Rock on 6th, and Luce Sands on 

 7th May. A fresh influx took place in Largo Bay on loth May, and 

 they are recorded at Loch Thorn, Clyde, on 13th May. After this 

 there are many records of the species. Numbers of Common Terns 

 were at the Little Ross lantern at 12.30 a.m. on 6th August, and 

 single birds visited Crosswood Reservoir on 26th June and 12th 

 August. Most had left Largo Bay by 5th September ; they were 

 numerous at the Little Ross lantern at 9.30 p.m. on 6th September ; 

 last seen Monifieth on 27th September, a lot between Port Seton 

 and Longniddry on 2nd October, and Largo Bay on 5th October, 

 " three old and three young birds." 



The Arctic Tern, Sterna paradis^a. — Is first recorded from 

 Lerwick on 3rd May, Hoy High on 8th May, and Pentland Skerries 

 on loth May. After this many arrivals at breeding places are 

 recorded up to 22nd May. Some Arctic Terns were at the Muckle 

 Flugga lantern at 11 p.m. on ist August, decreasing at Pentland 

 Skerries by 8th August, and the last young left their nesting colony 

 at Swona on 9th August. "Terns" passing Lerwick on the nights 

 of 7th and 16th September and at the Whalsay Skerries lantern on 

 12th September were probably of this species; last seen Hellyar 

 Holm on 13th October and Rattray Head next day. 



The Little Tern, Sterna albifrons albifrons. — Is recorded 

 from St Andrews on 7th May and Largo Bay on loth May. One 

 or two at the Isle of May on ist August, two at Maidens (Ayrshire) 

 on nth September, last seen at Rattray Head on 26th September. 



The Little Gull, Larus niinutus. — One was found dead at 

 Girlsta, Shetland, on 21st September. See p. 152. 



The Black-headed Gull, Larus ridibnndus — An influx is 

 noted in Largo Bay on 17th January, three or four pairs returned to 

 the Butt of Lewis on 30th January, and Black-headed Gulls were 

 plentiful near Melrose on 19th March. Arrivals are reported from 

 Lerwick on 7th April and ist May, Fair Isle on 12th April, and 

 North Unst on 27th April. Many returned to the neighbourhood 

 of Largo on 23rd June, after nesting, and on 30th a flock of about 

 four hundred was seen to the south of Edinburgh flying in a north- 

 easterly direction. A few were at Fair Isle from 13th to 27th July, 

 about a hundred visited Pentland Skerries on 15th July, and the 

 last left the Butt of Lewis on 19th September. 

 55 AND 56 Z2 



