Vol. xxiii.] 20 



Obs. These two species of Sunbird with the sexes similar 

 in plumage have hitherto been confounded with Cinmjris 

 chloropygia, of which they were considered to be immature 

 birds. C. seimundi, though resembling the female of 

 C. chloropijgia in general appearance, may be at once distin- 

 guished by its pale yellow throat and olive-green (not black) 

 tail-feathers. 



Several males of C. batesi are marked "^ testes large/' and, 

 as pointed out by Mr. G. L. Bates, were evidently fully adult 

 breeding birds. 



Both species seem to belong to the group which includes 

 C. gabonica, Hartl., from West Africa, and together form 

 a link between the genera Cinnyris and Anthothreptes . 

 C. batesi has the bill like that of a true Cinnyris, but in 

 C. seimundi it is straighter and less curved, but not so short 

 and stout as in C. gabonica. Dr. Reichenow places the 

 latter species in the genus Anthothreptes. The sexes in all 

 three species are perfectly similar to one another in plumage. 



Dr. C. B. TiCEHUKST exhibited a specimen of the Northern 

 Willow- Warbler, Phylloscopus trochilus eversmanni (Bonap.), 

 and made the following remarks on its occurrence in Great 

 Britain : — 



" Whilst examining birds sent from the Lighthouses on 

 the South Coast to the Migration Committee of the British 

 Ornithologists' Club, I have frequently been struck by the 

 fact that some of the Willow- Warblers, though superficially 

 like the common species {Phylloscopus trochilus), could easily 

 be distinguished from that bird. Their spring-plumage 

 differed fiom that of the ordinary form in being generally 

 paler ; the upperparts were of a greyer tint, instead of 

 yellowish-green; the underparts almost devoid of yellow; 

 and the superciliary stripe white or nearly so, instead of 

 yellow. Furthermore, I found that these birds did not 

 arrive on our shores till the end of April, and that most of 

 them passed through the country during the first fortnight 

 of May, at a time when the majority of Common Willow- 

 Warblers were breeding. 



