BLACK-THROATED DIVER. 



PYGOPODES. 



105 



COLYMBJD.E. 



COLYMBUS ARCTICUS, LinilffiUS.*' 



THE BLACK-THROATED DIVER. 



Colymhus arcticus. 



Of the three species of the genus Colymhus known in 

 England, the Black-throated Diver is the most rare, occur- 

 ring hut seldom on the southern shores. Young hinls 

 have heen taken in winter in Cornwall and Devonshire, but 

 Mr. Gatcomhe savs that he has never seen an adult obtained 



* Syst. Nat. Ed. 12, i. p. 221 (176G) 



VOL. IV 



