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XL. — Notice of a Specimen of the Larus ebur-^ 
neus, or Ivory Gull, shot in Zetland; and fur- 
ther Remarks on the Iceland Gull 
By Laurence Edmondston, Esq. 
{Read Sth March 182S.) 
LARUS EBURNEUS. 
I AM not aware that any individual of this very beauti- 
ful species has been hitherto noticed as occurring on the 
British coasts. The specimen now exhibited to the Society 
was killed in Baltasound, Zetland, on the 13th December 
last. It was remarkably lean. Weighing only 10 ounces^ 
The length is 16 inches^ the breadth 3 feet 34 inches. 
The irides are stated by many ornithological writers to be 
brown ; by others, as Fabricius, black : in this individual, 
however, they were of a pale lead colour. The bill is 
bluish-black at the base, gradually becoming paler towards 
the point. Feet and legs black ; folir toes, the hind one 
being very distinct : claws black, large, and tolerably sharp 
and hooked. The tibia naked a little above the knee. The 
skin is throughout covered by a profusion of remarkably 
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