UssHER — Ueport on the Breeding-range of Birds in Ireland. 411 



ford, Kerry, and Mayo, and probably in other counties ; but its noc- 

 turnal and subterranean habits elude observation. It has some very 

 large colonies in Kerry. 



Cymochorea leucorrhoa (Yieillot), Pork-tailed Petrel. — A very 

 few were found breeding on the Blasquets, off the Kerry coast, in 

 1887, 1888, and 1889, but not since. 



Procellaria pelagica, L., Storm Petrel. — Breeds on islands off 

 the coasts of Donegal, Antrim, Kerry, Galway, and Mayo. Very large 

 colonies exist on some of the islands of Kerry. 



Alca torda, L., Eazor-bill. — Breeds usually in great numbers on 

 cliffs of the coasts and islands of Donegal, Antrim, Dublin, "Wexford, 

 "Waterford, Cork, Kerry, Clare, Galway, Mayo, and Sligo. 



Uria troile (L.), Common Guillemot. — Breeds in great colonies 

 on the sea-cliffs, usually in the vicinity of those of the Eazor-bill, 

 but on more open ledges and platforms. The same counties may be 

 enumerated as in the case of the Eazor-bill, Waterford excepted. 



Uria grylle (L.), Black Guillemot. — Breeds usually in small 

 numbers in crevices of the cliffs of Donegal, Antrim, Dublin, Wick- 

 low, Waterford, Cork, Kerry, Clare, Galway, and Mayo. A great 

 many seem to breed on the outer side of Owey Island and Arranmore, 

 Co. Donegal. 



Fratercula arctica (L.), Puffin. — The most numerous breeding 

 species of this family. It has some vast colonies on the precipitous 

 coasts and islands, breeding in the following counties — Donegal, 

 Antrim, Dublin, Wexford, Cork, Kerry, Clare, Galway, and Mayo. 

 Some of its largest settlements are on the Saltees in Wexford, the 

 isles of Kerry, the north coast of Mayo, and Horn Head in Donegal. 



Colymbus septentrionalis, L., Eed-throated Diver. — One or two 

 pairs have been discovered to breed on mountain lakes in Donegal, 

 but as their eggs are taken regularly for collectors, the birds, if not 

 already, will be soon driven away. A pair may have bred in Sligo 

 {Zoologist, 1890, p. 352.) 



Podiceps cristatus (L.), Great Crested Grebe. — Breeds on lakes, 

 large and small, in Antrim, Down, Armagh, Monaghan, Permanagh, 

 Longford, Westmeath, King's and Queen's counties, Clare, Galway, 

 Eoscommon, Sligo, and Leitrim. Several pairs inhabit some of the 

 larger lakes. 



Podiceps fluviatilis (Tunstall), Little Grebe. — Breeds commonly 

 throughout Ireland in suitable localities on lakes, ponds, and rivers. 

 Is reported from every county. 



Phalacrocorax carbo (L.), Cormorant. — Breeds in colonies on sea- 



