SWALLOWS. 35 



p. 23). In Scotland this bird is a rare and accidental 

 straggler, and in Ireland it has been very rarely met 

 with. 



Fam. HIRUNDINID^E. 



SWALLOW. Hirundo rustica, Linnaeus. 

 A summer migrant. 



MARTIN. Hirundo urbica, Linnaeus. 

 A summer migrant. 



SAND MARTIN. Hirundo riparia, Linnaeus. 

 A summer migrant. 



Fam. CYPSELID^E. 



SWIFT. Cypselus opus (Linnaeus). 



A summer migrant, arriving long after the Swal- 

 lows, and departing before them. 



Fam. CAPRIMULGID^E. 



NIGHTJAR. Caprimulgus europceus, Linnaeus. 



A summer migrant, generally dispersed throughout /2 

 the British Islands to the north of Caithness, and ex- 3 

 tending even to the inner group of the Hebrides. It 

 is not uncommon in Islay, lona, and Mull, and is gene- 

 rally distributed in Skye, in all of which islands the 

 eggs have been found. 



D2 



