56 THE BIRDS OF DORSET. 



Fam. Hirundinid^. 



SWALLOW. Hirundo rustica, L. 



Yarrell, ii. p. 340; Harting, p. 35; Dresser, iii. p. 477; See- 

 holim, ii. p. 171 ; Ibis List, p. 42 : Faltene'/s List, p. 12. 



The Swallow is one of our best known and fami- 

 liar summer visitants. 



MARTIN. Chelidon urhka, (L.) 



Yarrell, ii. p. 349 ; Dresser, iii. p. 495 ; Ibis List, p. 44 ; Hirundo 

 urbica, Harting, p. 35 ; Seehohm, ii. p. 178 ; PiUte7iey's List, 



V- 13- 

 Like the last-named, a common summer visitor. 



SAND-MARTIN. Cotile riparia, L. 



Yarrell, ii. p. 355 ; Dresser, iii. p. 505 ; Ibis List, p. 44 ; Hirundo 

 > riparia, Harting, p. 35; Seebohn, ii. p. 184; Pidteney's 

 List, p. 13. 



A summer migrant, more local in its distribution 

 than its congeners, and essentially gregarious, breeding 

 in colonies. It leaves earlier than either the Swallow 

 or the House-Martin. 



ORDER PICARI^. 



Fam. Cypselid^. 



SWIFT. Cypselus apus, (L.) 



Yarrell, ii. p. 364 ; Harting, p. 35 ; Dresser, iv. p. 583 ; Seebohm, 

 ii. p. 292; Ibis List, p. 74; Hirundo apus, Pulteney's List, 

 P- 13- 



A summer migrant, arriving later and leaving 

 earlier than any of the llirundinidoe. 



