654 THE BIRDS OF YORKSHIRE. 



E. B. Emerson saw two at Deighton Manor, near North- 

 allerton, flying southward. 



The alleged breeding of the Sandwich Tern at Spurn 

 was disproved many years ago (Zool. 1869-70-71). 



Local name : Big Sea-Swallow. 



ROSEATE TERN. 



Sterna dougalli (Montagu). 



Casual visitant on its way to or from its nesting grounds ; of rare 

 occurrence. 



To Thomas Allis belongs the honour of first noticing 

 this species as a Yorkshire bird, in his Report of 1844, as 

 follows : 



Sterna dougatti. The Roseate Tern Has been met with near 

 Hebden Bridge ; it has been shot near Scarborough and Hornsea 

 by H. Reid of Doncaster. A. Strickland says : ' In the autumn we 

 have at times great abundance of Terns upon the coast, but a large 

 portion of them are young immature birds, of which it is very difficult 

 to discriminate the species ; both the Sandwich and Roseate Terns 

 breed to the north of us, and are occasionally found here. 



This delicately shaped and lovely bird, the greyhound 

 amongst the Terns, as it has been very aptly termed, has been 

 but seldom chronicled from this county ; Mr. W. Backhouse, 

 writing in 1846, stated that it " occurs in the Tees Bay, but 

 rare " (Zool. 1846, p. 1262) ; Allis also mentioned its appear- 

 ance on several occasions ; one is reported from Spurn on 

 Qth September 1893 (Nat. 1893, p. 359), and another at Whitby 

 on I7th September 1894 (T. Stephenson, in litt. 1902), but 

 I regard these two last as doubtful ; whilst five, stated to 

 have been obtained in Tees Bay (Field, i3th January 1877, 

 and " Vertebrate Fauna of Yorkshire," p. 79), proved to 

 be Common Terns. There is not an authentic instance of 

 its capture on record within recent years, although, since 

 it has become re-established on the Fame Islands, there 



