84 BIRDS OF EUROPE AND NORTH AFRICA 



L. excubitor przewalskii Bogdanow. Much paler even than 

 "homcyeri," with more white on forehead, lores, supercilium 

 and upper tail coverts ; primaries half white ; scapulars and 

 secondaries with white predominating, 



A C. Asian race, occurring west to Orenburg ; once in Italy. 



L. excubitor mollis Eversmann. A browner bird with a 

 single speculum in wing ; rump and upper tail coverts white 

 with in autumn a rosy tinge, and beneath always traces of 

 wavy bars. 



A Siberian race, which occurs in winter at Orenburg (Grote). 



L. excubitor meridionalis Temminck. Much darker grey 

 above, speculum very small, white eye-stripe reaches base of 

 bill; beneath rosy, tinged greyish. Wing (^ 102-110, 9 103-108. 

 Tarsus 30-31. Bill 15-16. Young : ashy brown above, below pale 

 with indistinct wavy bars. 



Breeds. — Spain and Portugal, S. France. Rare visitor Italy. 

 Has occurred England and Heligoland. 



L. excubitor algeriensis Lesson. Adult resembles "merid- 

 ionalis'' but bill stronger and underparts grey, not rosy; little 

 or no eye-stripe ; frontal band narrow and black, and more 

 black on lesser wing coverts. Wing 104-112 (H.). In young 

 wavy bars are hardly visible. 



Resident. — N. Morocco, Algeria and Tunis, north of Atlas. 

 Occurred once Italy. 



L. excubitor dodsoni Whitaker. Resembles "algeriensis" 

 but paler above ; below, varies from grey to buffy white ; black 

 frontal band generally absent. 



Resident. — C. and S. Morocco, and locally in Algeria and 

 Tunis. Distribution is confusing. It appears to penetrate the 

 area of "algeriensis" in W. Algeria, and extends along the 

 Atlas as far as Tunisia, north of range of " L. e. elegans." 



L. excubitor koenigi Hartf.rt. Smaller than "dodsoni" and 

 " algeriensis," rather darker than former and paler than latter. 

 Bill longer and more slender. Wing ^ 9 99" 105 (H.), 



Resident. — Canary I slands. 



li. excubitor elegans Swainson. Paler grey than other N. 

 African races, resembling typical form ; speculum on primaries 



