150 THE BIRDS OF BERKS AND BUCKS. 



Sea Swallow. This handsome Tern is not such an 

 uncommon bird as is usually supposed, and is a 

 visitant here in spring and autumn, while on its way 

 to and from its breeding stations. 



The Rev. Bryant Burgess, of Chesham, informed 

 me that a Black Tern was taken at Risborough not 

 long since ; and the Rev. George Jeans says that he 

 has seen this species at Windsor. He records in the 

 Naturalist, vol. ii. p. 75, that a shoemaker named 

 Wrigginton, shot one of these Terns at Eton in 1825, 

 and had it preserved there. 



In the spring of 1847, a good specimen of this bird 

 was shot by an Eton birdstuffer named Fisher, while 

 it was flying over the Thames between Surley Hall 

 and Eton Wick. A few years since, in autumn, 

 during the prevalence of an equinoctial gale, Mr. 

 Drye, of Eton, shot a young bird of this species on 

 the river near Windsor ; and he has in his collection 

 another, an adult bird, which was procured in the 

 same neighbourhood some years later. A male Black 

 Tern was killed by Mr. George Lillywhite, of Eton 

 Wick, in the last week of September, 1866, as it was 

 flying along the banks of the Thames just above 

 Surley ; and an Eton taxidermist, named Hall, 

 informed me that he had received several of these 

 birds for preservation, most of which had been pro- 

 cured in the spring. 



The Black Tern has occasionally been observed near 

 Maidenhead and Datchet. Towards the end of May, 



