112 BIRDS OF EUROPE AND NORTH AFRICA 



Sylvia deserticola Tristram. 



^ Crown and upper parts grey with reddish tinge on back, 

 wing coverts and quills with broad cinnamon margins, tail long 

 and rounded; beneath reddish chestnut; ist primary about 

 2-4 m.m. longer than coverts, 2nd between 7th and 8th. Bill 

 dark brown, yellowish below at base. Legs and feet yellowish 

 brown. ? paler throughout. Wing ^ ? 53-57- Tarsus 17-18. 

 Culmen 11-12. Tail 55-58 (H.). 



Breeds. — Atlas Mountains of Tunis and Algeria. Winters in 

 Sahara. 



S. deserticola maroccana Hartert. Like typical form but 

 cinnamon on wing feathers reduced to narrow margins. 

 Breeds. — High Atlas, W. Morocco. 



Sylvia undata undata (Boddaert). Dartford Warbler. 

 Fr. Pitchou de Provence ; I/aL Magnanina. 



(^ Above slaty grey, with strong brown tinge ; crown greyer ; 

 beneath reddish chestnut with white tips on throat feathers, 

 middle abdomen whitish, flanks greyish. Eye-rim orange yellow. 

 1st primary 5-6 m.m. longer than coverts, 2nd short, between 9th 

 and loth. Bill dark horn, yellowish below at base. Legs and 

 feet brown. $ duller above ; beneath paler, more vinous. Wing 



5 ? 53-57« Tail long, graduated, central feathers 64-72, outer 

 feathers 53-57 (H.). Tarsus 18-20. Bill 7-9. 



Breeds. — Central and S. France, Spain and Portugal, on east 

 side south to Aguilas, and on west at least to Tagus, C. and 

 S. Italy, N. Italy (rare), Malta (rare). Apparently resident. 



S. undata dartfordiensis Latham. Rather smaller, above dull 

 chocolate brown, tinged grey on crown, flanks brownish. Wing 



6 50-54, ? 50-52 (w.). 



Resident.— S. England, Channel Islands, N.W. France. 



" S. u. armorica " (Crette de Palluel) is not considered 

 separable. 



S. undata toni Hartert. Greyer and smaller than " dartford- 

 iensis." Wing $ 49-52, $ 49-50. Bill 6-8. Outer tail feathers 



50-55. 



/vesiden/.— Morocco, Algeria, Tunisia, S. Spain (Algeciras). 

 Has been recorded by Favier as migrating at Tangier. 



