216 



LAEUS. 



B. Head without a hood. Tail white. 



Quills mostly white, margined black. 



Bill red. 



232. Larus gelastes. The SLKNDBii-BiLLBD Gull. 



<J 17J" to 18J"; 12 to 14 oz. ? 16f" to 17^"; 10 to 11 oz. Legs deep red. 



Bill deep red. Breast rosy. Mantle French grey. First quill white, tip black, 



and black margins on outer and inner webs. Second and third quills similar, 



but black on inner margins increasing. Mediterranean, Black, Caspian, and Red 



Seas, W. Coast of Africa, and in winter Persian Gulf and Sind. Three eggs 



(2-18 X 1-52), dull white, spotted and blotched dark brown and grey. (B. 1493. 



S.F. i. 274.) 



232. Larus gelastei. 



Also L. novm hoUandice. 15". Legs and bill red. Head, neck, tall, and below white. 

 First and second quill black, with long white mirror. Third quill tip white, followed by black 

 bar, and then an irregular white mirror joiniiig basal patch of white. Australia and Tasmania. 



Ii. scopuUnus. 14i". Legs and bill crimson. Similar to L. novce hollandice, but first and 

 second quills are tipped white, and the mirrors are angularly edged, with no mirror on third 

 quill. Chatham and Auckland Islands, If. Z. 



L. hartlaubi. 14". Similar to L. scopuUnus, but mirrors on first and second quills are 

 smaller. South coast of Africa and Madagascar. 



Bill hlaek. 

 L. buUeri. 14J". Legs and bill black. Head, neck, and below white. Mantle pearl-grey. 

 First quill white, with black margins to the webs. Second and third quills similar, but with 

 black subterminal bar. New Zealand. 



Head without hood. Tail white. 



Quills mostly black. Mantle dark slate. 



233. Larus afSnis. The Dabk-baceed Hebrin'g-Gull. 



S 24" to 24|" ; 2 to 2f lbs. ? 22" to 23|" ; 2 lbs. Legs pale yeUow. Bill 

 yellow, patch red. Mantle and both webs of primaries at base slate-grey. First 

 quill with grey wedge on inner web, then a broad white band, and then a sub- 

 terminal black bar and white tip. On second quill grey wedge is larger, rest 

 black and tip white. In other quills there is more grey on both webs, till the 

 black finally disappears. — In winter: Head and neck flecked with brown. Breeds 

 in N.E. Europe and Siberia, visiting in winter E. Africa, S. Arabia, Baluchistan, 

 and W. India. (B. 1494. S.F. i. 273.) 



