— 29 — 



134. Egyptian Swallow. Hirundo rustica savignii Stephens. 



Hirundo riocourii. Shelley, p. 121. 



A common resident. Differs from aforementioned by its 

 dark reddish under parts. 

 Nests in native houses. 



135. Red-rumped Swallow. Hirundo daurica rufula Tem- 



minck. 

 Hirundo rufula. Shelley, p. 122. 



A somewhat scarce visitor during both migrations. 



Length about 9 inches. Easily recognizable by its large 

 size, pale red rump and red collar round hind neck, and no 

 collar on fore neck. 



136. House Martin. Chelidon urbica urbica (Linnaeus). 



Chelidon urbica. Shelley, p. 125. 



Common during the spring and autumn migrations. Many 

 pass through during May and even June, going north. 



Length about 6 inches. Under parts and rump dull white, 

 rest of plumage metallic blue. Legs and feet are feathered. 



137. North African House Martin. Chelidon urbica meridi- 



onalis (Hartert). 

 Not mentioned by Shelley. 



Occurs in small numbers during the spring migration. Can 

 only be distinguished by its shorter wings from the European 

 house martin. 



138. Sand Martin. Riparia rifaria riparia (Linnaeus). 



Cotyle riparia. Shelley, p. 125. 



A very common migrant in spring and autumn. 

 Length about 4| inches. Brown above, white below ; a 

 brown collar on fore neck. 



139. Pale Sand Martin. Riparia riparia diluta (Sharpe and 



Wyatt). 



Not mentioned by Shelley. 



Amongst the large flocks of the common sand martin which 

 pass through in spring paler examples occur which are referable 

 to this form. 



Resembles the foregoing, but is paler on the upper parts. 



