RED-THROATED DIVER 447 



BLACK-THEOATED DIVEE. 



Colymhus arcticns, Linn9eus. S.N., i., p. 221 (1766). 



Like the former species, a winter visitor, and most of 

 them immature birds. 



Morris mentions that " one was killed near Sitting- 

 bourne in Kent in 1840, recorded by Mr. Chaffey." 



In the last edition of Yarrell's British Birds it is stated 

 that " Mr. S. Mummery, of Margate, sent the author 

 notice that a beautiful specimen was captured June 2, 

 1842, in Sandwich Haven, and this, being a fine male 

 bird, was preserved, and deposited in the Museum at 

 Margate." The Eev. J. Pemberton Bartlett, 1844, says 

 " it has also been seen in Komney Marsh." 



The Eev. C. H. Fielding records it from Erith in 1850 

 and Upchurch in 1888. There is a specimen in the 

 Maidstone Museum, obtained in the Medway by Mr. 

 W. H. Bensted. 



Mr. G. Dowker mentions it from various localities on 

 the coast, and Mr. W. Prentis also. 



EED-THEOATED DIVEE. 



Colymhus septentrionalis, Linnaeus. /S'.iV., i, p. 220 



(1766). 



Sprat Loon ; Silver Grrebe. 



The Eed-throated Diver is the most numerous species 

 on the coast of Kent during the autumn and winter, 

 where it may be found in the estuaries, especially along 

 the shore, following the shoals of sprats. From the above 



