BIRDS OF THE BRITISH ISLES. 



381 



Gem. 



THE Noddy Tern (Anous stolidus, Linnaeus) is an exceed- 

 ingly rare irregular autumn migrant to the British Islands, 

 and is found inhabiting the Oceanic tropical zone. The 

 adult has the general colouration of the plumage dark- 

 brown, with a patch of grey on the forehead and crown ; 

 the tail is graduated. Length, about sixteen inches. 



