120 CYPSELID.E . 



Erytlirophtlialmus= red-eyed, from epvQpos and o00a\/jos. 



Distribution in the British Islands. A Rare Visitor : it lias 

 occurred once at Kilbead, co. Antrim, Ireland, Sept. 1871. 



General Distribution. The Black-billed Cnckoo breeds 

 in eastern North America, from south-east Alberta, south 

 Manitoba, and south Quebec to Arkansas, North Carolina, 

 and the mountains of Georgia. It winters in South America 

 and is accidental in the Azores and in Italy. 



Order CORACIIFORMES. 



Suborder CTPSELI. 

 Family CYPSELID^E. 



Genus MICROPUS Wolf in Meyer & Wolf, Tasclienb. i. 

 1810, p. 280. 



Type : M. apus (Linn.). 



Micropus = small-footed, from fiiKpos, small, and TTOUS, a foot. 



Micropus apus. SWIFT. 



HirundO apus Linnceus, Syst. Nat. 1758, p. 192 : Sweden. 



Cypselus apus (Linn.); . O. U. List, 1st ed. 1883, p. 74; 



Saunders, Manual, 2nd ed. 1899, p. 261. 

 Micropus apus Hartert, Cat. Birds B. M. xvi. 1892, p. 442. 



Apus = without feet, from a and irovs. 



Distribution in the British Islands. A regular Summer 

 Visitor, usually arriving towards the end of April and 

 departing about the end of August and the beginning of 

 September, though a few remain until October or even later. 

 It is generally distributed, but becomes rare towards the 

 extreme north of Scotland, also in the Outer Hebrides 

 and the Orkneys and Shetlands, where it is not known to 

 breed and is no doubt a bird of passage. 



General Distribution. The Swift breeds in Europe gener- 

 ally, and from north-west Africa to Abyssinia ; it ranges 

 north to 70 N. latitude in Scandinavia and to Archangel in 



