REPORT ON SCOTTISH ORNITHOLOGY IN 1916 183 



place, which is chronicled from every part of the mainland of 

 Scotland, and arrivals are reported from breeding-places in smaller 

 numbers up to 16th May, by which time our summer visitors 

 seem mostly to have been present. From 26th April up to 29th 

 May, Swallows, probably mostly passage migrants, are recorded 

 frequently from our stations in the Outer Hebrides and Northern 

 Isles, and this species was passing the Isle of May up to 31st May. 



Two Swallows, perhaps passage migrants, are recorded from 

 Swona on 24th and 26th July, and on 18th August numbers were 

 seen going south along the coast near Arbroath. During the last 

 half of September and October departures are noted steadily from 

 many stations ; last seen Darvel on 22nd October, Edinburgh on 

 25th, and Corsemalzie on 27th October, Kirkcaldy on 2nd November, 

 the Isle of May on 4th and Stranraer on 12th November. 



The House-martin, Delichon urbica urbica. Is first noted at 

 the Monachs, Holy Island, and Durris on 26th April, Glenorchard, 

 Dundee, and Largo next day, Morningside on 28th, and Peebles, 

 Broughton (Peeblesshire), and Possil Park on 29th April. After 

 this the spread was rapid, and the quota of our breeding birds 

 seems to have been complete by about 21st May. House-martins, 

 probabjy passage migrants, were seen at Lerwick on 15th May 

 and 20th June, and at Swona on 28th and 29th July. Departures 

 are recorded during September, and the last records of the species 

 are from Largo on 1st October, Beith next day, and Crail on 

 6th October. 



The Sand-martin, Riparia riparia riparia. Is first noted 

 at Summerston on 8th April, Soulseat (Inch) on 10th, Killantringan 

 on nth, and Duddingston on 17th April. After this arrivals are 

 recorded steadily up to 6th May, the height of the movement 

 being from 26th to 30th April. On 12th May a Sand-martin is 

 reported from Swona, and three or four birds from the Cromarty 

 lighthouse on 16th July. Departure is noted throughout August, 

 and the September records come from Loch Elrig (Mochrum) on 

 the 2nd, Largo Bay on the 3rd, Dundee on 4th, Summerston on 

 1 6th, and Alticig shore (Luce Bay) on 18th September. 



The Swift, Apus apus apus. Was early in appearing in 19 16, 

 being recorded from Giffnock on 23rd April (1. 191 7, 33), Dudding- 

 ston next day (1. 191 6, 240), Alyth and New Galloway on 26th, 

 and Kirkcaldy on 29th April. After this arrivals are reported 

 constantly from breeding -haunts up to r6th May. Swifts are 

 recorded from Hellyar Holm on 25th June, North Unst next day, 



