126 REPORT ON THE MIGRATION OF BIRDS. 



Barrels Eock Light-ship. — July 3rd and 9th, Sea Gulls in 

 flocks, flying E. after fry. During November and part of 

 December large flocks apparently after small fish, working east 

 and west with the tides. 



Tuskar Bock. — From June 13th to 18th, Gulls alighted in 

 large flocks. 



Arklo2c North Light-ship. — April 1st, continuous flocks of 

 Grey Gulls going N.E. 



Kish Bank Light-ship. — Flocks of Grey Gulls noted on May 

 8th, 25th, and June 15th. Oct. 16th, flock of Grey Gulls hover- 

 ing about all day. Nov. 27th, a flock all day after fry. 



Bockabill. — Gulls come in April and leave at the end of 

 September. 



Copdand Island. — Herring Gulls remain about the island all 

 the year. In August a large number of Grey and Koyal Gulls 

 fishing in vicinity. 



Eathlin Island. — Flocks of Gulls on March 29th, May 1st, 

 18th, 22nd, June 8th, 20th, and 27th ; direction of flight not 

 given. Flocks during August of twenty to thirty Eoyal Gulls 

 at intervals. Two or three thousand Kittiwakes on 11th and 

 30th. Entries of Gulls occur twice in November, and large 

 flocks going S. on Dec. 17th, 21st, and 30th. 



Innishtrahidl. — Dec. 25th, two Eoyal Gulls. 



Lough Sivilly. — April 1st, a few ; 6th, several ; 19th, in great 

 numbers. May 1st, ditto. May 20th and June 1st, Gulls. July 

 27th, very numerous all day. 



Tory Island. — Sept. 5th, a flock of ** Common Gulls " flying 

 W. Nov. 15th, three Black-backed Gulls at 8 a.m., going E.; 

 28th, a flock of Gulls. 



Arranmore. — March 12th, Gulls passing. 



Eathlin O'Birne. — Flocks of fifty to one hundred on April 

 10th, 12th, 28th, and May 8th.^ In June, Gulls about island. 

 Flocks of Gulls from one hundred to thousands on Aug. 31st, 

 Sept. 19th, 20th, 30th, Oct. 5th, and 6th. The greater number 

 left on Oct. 17th. On Nov. 4th, 22nd, and Dec. 7th, eighty to 

 one hundred all day. 



Killyhegs. — Gulls of the grey species to the number of 

 about two hundred remained here during spring, coming in the 

 morning and departing in the evening to the cliffs around Slieve 

 League. Thousands of Kittiwakes arrived about beginning of 



