PASSEUES— IIIUUNI)INII)/K 115 



Delichon. 



Tail forked, but outside feather not elongated ; tarsus 

 and toes feathered ; eggs white. 



Delichon urbica urbica (L.)- Martin. Fr. Hirondelle 



do fcnctre ; Gcr. I lausschwalbe ; Ital. Balestruccio ; Swed. 

 Hussvala. 



^ 9 Above steel blue ; rump and underparts white. Hill 

 black. Legs and feet feathered white. Wing ^^ 9 108-113. 

 Tarsus 10-12. Bill 4-5. 



Breeds. — British Isles, Europe north to Finmark, east to 

 Mid Siberia, south to Turkestan, Caucasus and Mediterranean. 

 Migrates ; occurs on passage Faroes, Malta, Canaries, N. 

 Africa. Winters in India and S. Africa. 



D. urbica meridionalis (Hartert). Smaller than "urbica." 

 Wing 100-106 and secondaries longer in proportion to 

 primaries. 



Breeds. — Algeria, Tunisia and Morocco. Birds from S. 

 Spain (Algeciras) are chiefly referable to this race. Occurs 

 on passage Egypt in spring ; not common. 



RiPARIA. 



Feet not feathered; tail slightly forked or almost square; 

 nest in holes in bank or of mud in cliffs; eggs pure white, 

 or spotted with red. 



Riparia riparia riparia (L.). Sand Martin. Fr. 

 Hirondelle de rivage ; Gcr. Uferschwalbe ; /Az/. Topino ; Siucd. 

 Backsvala. 



$ 9 Above dark brown ; underparts white crossed by a 

 pale brown pectoral band. Legs bare, except for a tuft of short 

 white feathers on back of tarsus above hind toe. r>ill black. 

 Legs and feet dark brown. Wing ,^9 102-11F. Tarsus 10. 

 Bill 5-6. 



Breeds. — British Isles and Continental Europe to farthest 

 north, cast to Urals and in Siberia to Pacific ; south to Caucasus 



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