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THE SAND-MARTIN. 



Cotile riparia (L.). 



The Sand-Martin began to arrive in the south-west of 

 Enghind about tlie end of the third week in March. A 

 small number of birds arrived in Devon and Cornwall on 

 the 19th, 20th, and 21st, and were followed bj a larger 

 number on the 25th. A few of these birds seem to have 

 passed east into Hampshire, but the majority remained where 

 they had arrived, though, after a few days, a small number 

 travelled north through Somerset into South Wales, Shrop- 

 shire, Cheshire, and Yorkshire. 



The second immigration occurred along the same coast-line 

 on April the 4th and 5th, and was recorded also from Dorset 

 on the latter date. Going rapidly north the birds passed 

 through Somerset on the above-mentioned dates, reached 

 South and Mid-Wales on the 8th, Shropshire, Yorkshire, and 

 Durham on the 9th, and Dumfries on the 13th. Others, 

 taking a more easterly route, arrived in Berkshire on the 

 8tli and in Norfolk on the 9th, stragglers appearing in 

 Surrey and Kent on the 8th. 



A tliird immigration arrived in Cornwall, Devon, and 

 Dorset on April the 8th, and appears to have reached Shrop- 

 shire on the 11th, while birds arriving further to the east 

 reached Berkshire on the same day, but their subsequent 

 course could not be followed. 



The fourth immigration commenced with the advent of 

 small numbers of l>irds on April the 11th and 12th, and was 

 followed by a succession of arrivals from the 13th to 

 tho 22nd. 



The first birds arrived in Cornwall and Devon on the 11th. 



