140 THE SCOTTISH NATURALIST 



doubt of our Z. /. ajjlnis are reported from Glasgow Harbour on 

 loth March and Erskine Ferry (Clyde) on 17th March, and a good 

 many were seen about Dundee and in East Fife from 28th to 30th 

 April. On i ith September two were seen on Loch Lomond. 



' The Glaucous Gull, Lams hyperhoreus. Is reported from 

 the Tay Estuary on nth January and North Ronaldshay on 12th 

 February. Fair Isle records the species on 20th and 30th October 

 and 31st December, Noss Head on 6th and 28th November, while 

 two adults visited Kinross on 21st December (i. 1920, 20). 



The Iceland Gull, Lams kiicoptems. -Single birds are noted 

 at Whalsay Skerries on 31st January, Noss Head on 5th and 7th 

 February, and Fair Isle on 27th October and loth November, while 

 three were seen at this last station on 27th December. 



The Kittiwake, Rissa tridactyla tridadyla. Visited the Foula 

 cliffs on 3rd April, and numbers were seen at Lerwick on 9th April. 

 On 28th June many were seen at Tentsmuir Point, and a few visited 

 the Pladda lantern on 15th November. 



The Great Skua, Stercorarius skua skua. Two were seen on 

 Foula on 24th April, one near Lerwick two days later, and they 

 were "daily increasing" at Foula at the end of April. Between 

 13th and 1 6th September one to three were seen on the Beauly 

 Firth. 



The Arctic Skua, Stercorarius parasiticus. Is recorded from 

 near Daviot (Inverness-shire) on 28th April, Foula on 30th April, 

 and Largo Bay on 2 7th May. Four were seen at Tentsmuir Point 

 on 5th July, and from this time to 19th September there are a good 

 many reports of Arctic Skuas along our coasts, and one was seen at 

 Broughty Ferry on 25th October. 



The Guillemot, Uria troille troille. Inland occurrences of 

 this species are recorded from Glenorchard (Stirlingshire) on 29th 

 September, and Loch Achray at the end of that month. 



The Black Guillemot, Uria grylle grylle.~Ox\e was seen off 

 Pladda on ist June, and two off Garheugh (Wigtownshire) on 6th 

 July and nth and 13th September. 



The Little Auk, A lie alle. On 29th January one was 

 found dead on the Skerries and thousands were reported in Yell 

 Sound, single birds at Shillay (Monachs) on 8th and 31st December, 

 while on the latter date many were about Fair Isle. 



