184 THE OKNITHOLOGICAL GUIDE. 



defined to warrant the innovation. Of the genus 

 Shag (Gulosus, Montagu^ we have no British 

 species : but of the nearly related genus Cormorant 

 fCormoranusj we have, according to most authors, 

 two species, though Waterton says he is confident 

 there is only one — the Black Cormorant CCormora- 

 nus carbo.J The Pied Flycatcher has been sepa- 

 rated from the Gray Flycatcher, at Mr. Blyth's 

 suggestion. 



