AYES. 



25 



Little 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 Gull, Z. ridibundus ; not uncommon on the sands 

 at Hayle and elsewhere, in winter. 



Kittiwake Grull, Z. tridactylus ; common on our coasts generally. 



Ivory Grull, Z. eburneus ; very rare : the only recorded example 

 of this bird in Cornwall was captured off the pier at Pen- 

 zance, in the month of February, 1847. 



Common Grull, Z. canus ; generally distributed in more or less 

 numbers along our coasts. 



Bonapartian Gull, Z. Bon (See Yarrell's 2nd " Supplement," p. 

 55) ; an immature specimen killed in Falmouth harbour, in 

 June, 1865. 



Lesser Black-backed Gull, Z. fuseus ; generally distributed, with 

 the herring gulls, in large numbers on our flat sands and 

 open estuaries. 



Herring Gull, Z. argentatus ; the most common gull on our coast, 



and generally distributed in estuaries, creeks, open sands, 



and precipitous cliffs. 

 Great Black-backed Gull, Z. marmus ; one or two may be seen, 



at all times and seasons, in different localities along our 



coast. 



Glaucus Gull, Z. glaucus ; occasionally observed, but by no means 

 regularly or frequently. 



Iceland Gull, Z. islandicus ; rare. A specimen of the Iceland 

 gull in the state of plumage almost amounting to pure- 

 white, obtained from Scilly. 



Common Skua, Lestris catarraetes ; rarely met with in the western, 

 counties : observed at the Wolf rock in considerable num- 

 bers in 1863. 



Pomerine Skua, S. pomarinus ; occasionally, and at uncertain 

 intervals, occurring on our coast, and in every instance in 

 immature plumage. 



Pichardson's Skua, Z. Richardsonii ; rarely observed on our 

 coast, and more rarely in adult plumage. 



Buff on' s Skua, Z. parasiticus ; very rare : a specimen found in- 

 land in the parish of St. Buryan, in adult plumage. 



