AVES. 
25 
liittle Gull, Z. minutus ; rarely met with, but specimens in adult 
and immature plumage have been obtained at Penzance and 
the Land’s-end,— the latter in the month of December, 
1844. 
Black-headed GuU, L. ridibundus; not uncommon on the sands 
at Hayle and elsewhere, in winter. 
Kittiwake Gull, Z. tridacti/lus ; common on our coasts generally. 
Ivory Gull, Z. eburneus ; very rare : the only recorded example 
of this bird in Cornwall was captured otf the pier at Pen- 
zance, in the month of Pehruary, 1847. 
Common Gull, Z. canm ; generally distributed in more or less 
numbers along our coasts. 
Bonapartian GuU, Z. Bon (See Yarrell’s 2nd “ Supplement,” p. 
65) ; an immature specimen kiUed in Palmouth harbour, in 
June, 1865. 
Lesser Black -hacked Gull, Z. fuscus ; generaUy distributed, with 
the herring gulls, in large numbers on our flat sands and 
open estuaries. 
Herring GuU, Z. argentatm ; the most common gull on our coast, 
and generaUy distributed in estuaries, creeks, open sands, 
and precipitous clifEs. 
Great Black-backed GuU, Z. marinus ; one or two may he seen, 
at all times and seasons, in different locaUties along our 
coast. 
Glaucus GuU, Z. gUucus ; occasionally observed, but by no means 
regularly or frequently. 
Iceland GuU, Z. islandicus ; rare. A specimen of the Iceland 
guU in the state of plumage almost amounting to pure- 
white, obtained from SciUy. 
Common Skua, Lestris oatarractes ; rarely met with in the western 
counties : observed at the Wolf rock in considerable num- 
bers in 1863. 
Domerine Skua, S. pomarinus ; occasionally, and at uncertain 
intervals, occurring on our coast, and in every instance in 
immature plumage. 
Hichardson’s Skua, Z. Bichavdsonii j rarely observed on our 
coast, and more rarely in adult plumage. 
Buffon’s Skua, Z. parasiticus ; very rare : a specimen found in- 
land in the parish of St. Buryan, in adult plumage. 
