i8o THE SCOTTISH NATURALIST 



Grogary (S. Uist) on 13th October, while a flock of a hundred and 

 fifty arrived at Vallay on 24th October. 



The Brent Goose, Branta bernicla bernida. One of the pale- 

 breasted variety was seen at Cambo (E. Fife) on 3rd February (1. 

 191 7, 91), and six Brent in the Cromarty Firth on 4th May. A 

 flock of sixty went south-west over Vallay on 24th October, and 

 a few frequented Barra Head during November. 



The Sheld-duck, Tadorna tadorna. A flock of about forty 

 was seen in Largo Bay on 21st January ; a Sheld-duck was killed at 

 10 p.m. on 19th February at the Pladda lantern, and a flock of over 

 forty was in the Tay near Dundee on 9th April. Single birds are 

 reported from Swona on nth May, and Sule Skerry on 22nd May. 



The Mallard, Anas platyrhyncha platyrhyncha. Enormous 

 flocks are recorded from Largo Bay on 30th January, and Cambo 

 (E. Fife) on 16th February, and a Mallard struck the Rhinns of 

 Islay lantern at 10 p.m. on the former date. About a hundred were 

 on Duns Lake on 4th March, but had gone two days later ; many 

 were seen in Largo Bay on 2nd April these had dwindled to about 

 twenty pairs on 24th and one pair on 27th April. 



On 12 th August parties of feathered young were travelling down 

 the swollen waters of the Duchray and Laggan, about Aberfoyle 

 (1. 191 7, 292), and the winter flocks arrived at Invergowrie on 

 1st October. The winter visitors to Largo Bay were slow in taking 

 up their quarters ; only one Mallard was seen on 6th October, a 

 dozen on 14th, about thirty on 28th October, and not till 4th 

 November did the very large flocks put in an appearance ; on this 

 last date about five hundred were estimated to be on Hule Moss. 



The Gadwall, Anas strepera. A flock of thirty is reported 

 from Vallay, North Uist, on 30th October. 



The Teal, Anas crecca crecca. On 22nd February, at 2 a.m., a 

 bird of this species was killed at the Rhinns of Islay lantern ; two 

 are recorded from Swona on 22nd April, and Sule Skerry on 5th 

 and 15th May. By 19th August two Teal were at Largo Reservoir, 

 and one on the Cockle Burn mud-flats (Largo Bay) on 30th August. 

 Arrivals are recorded at Hule Moss on 9th September, and Swona 

 on 1 8th September, and a flock of fifty to a hundred at Summerston 

 on 23rd September. 



The Wigeon, Anas penelope.h. very large flock of Wigeon 

 visited Largo Bay on 21st January; thirty were at Duns Lake on 

 4th March, but had left by the 6th ; most had gone from Bardowie 

 by 22nd April; a lot were seen in the Cromarty Firth on 28th April, 



