2O2 BRITISH BIRDS. 



363. Fulmarus glaeialis (Linn.). FULMAR. 



Hab. Arctic and sub-Arctic regions of North Atlantic. 



Adult : mantle and tail light grey ; primaries dusky ; 

 rest of plumage usually white (specimens of dark phase 

 being rare on our coasts) ; bill pale yellow, dusky on nasal 

 tube; feet slate. Length 17*00; wing 12*50. 



Breeds in St. Kilda, Foula, and Papa Stour in the 

 Shetlands, and probably some of the outer Hebrides. 

 To the coasts of England it is a scarce winter visitor, 

 while only fifteen or sixteen examples have been recorded 

 from Ireland. A single white eg* is laid on ledges of 

 cliffs ; 2*90 by 2*00. 



GENUS CXCVIII. CESTRELATA, onaparte (1856). 

 364. (Estrelata hsesitata (Kuhl). CAPPED PETREL. 



Hab. Probably the South Atlantic. 



An example was captured in 1850 near Swaffham, 

 Norfolk (Zool. 1852, p. 3691). 



GENUS CXCIX. BULWERIA, Bonaparte (1842). 



365. Bulweria eolumbina (Moquin-Tandon). 



BULWER'S PETREL. 



Hab. Canaries and Madeira. 



An example was found dead near Tanfield, Yorkshire, 

 on May 8th, 1837 (P. Z. S., 1887, p. 562). 



ORDER P1TGOPOXHBS. 



Family Colymbidae. 



GENUS CC. COLYMBUS, Linnasus (1766). 

 Bill as long as head, straight, strong, somewhat com- 

 pressed, sharply pointed ; nostrils lateral, near the base 



