REPORT ON SCOTTISH ORNITHOLOGY FOR 1906 205 



laying only beginning on 2ist April. First appeared Whalsay 

 on 22nd April. A colony of about fifty pairs nesting at the 

 Little Loch (E. Renfrew) disappeared 7th May, all the nests 

 having been destroyed. In Mull on 3rd July first seen on 

 return from nesting. Noup Head loth July (16). Winter 

 plumage, Edinburgh, i2th August. 



L. FUSCUS (Lesser Black-backed Gull). Appears in Mull on 5th 

 April. Last seen there 22nd September. On 4th November 

 at Bishop Loch, near Glasgow, several. Appearances at this 

 season of this migratory gull deserve attention. 



L. GLAUCUS (Glaucous Gull). One at Southerness (Solway) in 

 mid-September. Two at Sule Skerry on ;th November. 



L. LEUCOPTERUS (Iceland Gull). At Ullapool on 28th January (i) 

 ("Annals," 1906, p. 115). In Tobermory Bay, Mull, one, 

 immature, for a fortnight in December. One on xoth December 

 at the Fair Isle (p. 80). 



RISSA TRIDACTYLA (Kittiwake Gull). At the Bell Rock on 2ist 

 February and i2th March flocks flying south. Several at 

 the Flannans on 2oth March. Arrived at Treshnish Isles 

 on 3rd April. 



PAGOPHILA EBURNEA (Ivory Gull). One in North Uist in June 



(P- 85). 



STERCORARIUS POMATORHINUS (Pomatorhine Skua). An immature 

 female obtained on the Fair Isle on 27th November (p. 80). 



S. CREPIDATUS (Arctic Skua). Loch of Sandwick, Whalsay, 2 9th 

 May, a number. Between nth June and 8th October in 

 East Fife small numbers thirteen being of the dark form, 

 three light, and one not noted. 



S. PARASITICUS (Buffon's Skua). On Unst on 3oth May one killed, 

 the second obtained in eight years (p. 50). One (6*) shot on 

 the hills at Morvern, 1 Argyll, in the first days of June (p. 186). 

 Another ( cO at Morven, Caithness, about 7th June. One with 

 " extremely long " middle tail feathers reported from Balcomie 

 on 5th October, and another shot at Lochnabhraon on 6th. 



ALCA TORDA (Razorbill). Seen in numbers about the Flannans from 

 1 3th February and arrived to stay on 2Oth March. Seen sitting 

 on the cliffs at Noup Head on 2 2nd ; before that date swimming 

 and flying about. From the end of July till the middle of 

 September a great continuous mortality of this and the next 

 species in Solway (p. 53). At Balcomie on 8th October with 

 fresh south wind "from 10.15 A - M - when we got out . . . till 

 it was too dark to see, a constant stream " passed south. Till 



1 " Morvern " is rarely used, and " Morven," Argyll ; " Morven," Caithness ; 

 and " Morven," Aberdeenshire, is more in general use. J. A. H.-B. 



