174 BIRDS OF GUERNSEY. 



specimen in perfect, or nearly perfect, breeding- 

 plumage in the Museum, which I think was killed 

 some time in May by Mr. Peter Le Newry, a well- 

 known fisherman and gunner living in Guernsey, 

 who procured a good many specimens for that 

 establishment, but, unluckily, no note as to date 

 or locality has been preserved ; he told me he had 

 killed this bird late in the spring, but could not 

 when I saw him remember the exact date. It must 

 not be supposed that because this bird occasionally 

 remains in the Islands late into the spring, and 

 assumes its full breeding-plumage before leaving, 

 that it ever remains to breed or avails itself of the 

 protection so kindly afforded to it and its congeners, 

 as well as their eggs, by the Guernsey Bird Act. 



The Great Northern Diver is included in Professor 

 Ansted's list, but only marked as occurring in 

 Guernsey. There are four specimens in the 

 Museum in full breeding plumage and change. 



154. BLACK-THROATED DIVER. Colymbus arcticus, 

 Linnaeus. French, " Plongeon a gorge noir." 

 The Black-throated Diver is a much less common 

 visitor to the Islands than either the Great Northern 

 or Ked-throated Diver ; it does, however, occasionally 

 occur in the autumn and winter ; all the specimens 

 that have been obtained are either immature or in 

 winter plumage, and I do not know of a single 

 instance in which it has been procured in full 



