210 ANNALS OF SCOTTISH NATURAL HISTORY 



XEMA SABINII (Sabine's Gull). An adult was seen at Lerwick on 

 25th July and again a few days later ("A.S.N.H.," 1909, 

 p. 248). 



LARUS RIDIBUNDUS (Black-headed Gull). On northern passage at 

 Mull on 5th March and many passing over Aberdeen on the 

 night of the 2ist. Arrived in Mull on the return journey on 

 7th July and next day hundreds appeared in Largo Bay, nearly 

 all adults in full summer plumage. Thousands are recorded 

 from the Bass Rock in December during frost, the first seen 

 on the Rock by Mr. Campbell. One with roseate plumage 

 shot at Inverbroom (W. Ross) on gth December and many 

 more roseate birds seen there later. 



L. CANUS (Common Gull). A number on Loch Awe on 



March. Many arrived at Fair Isle on 5th October, while on 

 the 1 4th (before a gale) there were an unusual number on this 

 island, several hundreds being recorded. 



L. FUSCUS (Lesser Black-backed Gull). One in Glasgow Harbour 

 on 1 3th March. Several still at Fair Isle on 5th October, and 

 one at the Isle of May on the 23rd and 27th. 



L. GLAUCUS (Glaucous Gull). Occurred in small numbers, mostly 

 immature birds on Fair Isle during the first and last quarters 

 of the year. One immature bird at the Isle of May on 24th 

 October. 



MEGALESTRIS CATARRHACTES (Great Skua). Seen at Foula on i2th 

 April. One at Fair Isle on 4th May, last seen there 8th 

 October. A young bird was killed at Borrolol (Sutherland) on 

 1 9th October. 



MERGULUS ALLE (Little Auk). Very numerous in the sea off Fair 

 Isle on 2oth January and ist February, the numbers having 

 decreased by the 5th, and single birds are recorded from Largo 

 Bay on the 26th February and at St. Andrews on zoth March. 

 Again noted off Fair Isle on i8th November becoming more 

 numerous, till at the close of the year a great many were 

 present. 



FRATERCULA ARCTICA (Puffin). A white Puffin was seen at Sule 

 Skerry on i8th June. 



COLYMBUS ARCTICUS (Black-throated Diver). One young bird of 

 this species was shot at Morton Loch (Fife) on 2ist January, 

 and one was seen off Gullane Ness on 2yth December. 



C. SEPTENTRIONALIS (Red-throated Diver). Great numbers in 

 Largo Bay on i5th February. St. Andrews Bay full of them 

 on 3oth September and a great many in Largo Bay on 27th 

 December. 



