EXPLANATION OF PLATE XL 



'ig. 1. Sides unstriped ; typical " House Sparrow," the lilaok bates to the feathers of the crown, 

 which are characteristic for Pn^cr flonieslieii.i Unrjilmuis, noticeable, but little developed. 

 Batna, 14. v. 1909. (W. Rothschild, E. Hartert and C. Hilgert leg.) 



2. Faint indications of lateral stripes, black on feathers of crown very little morp developed 

 than in 1. 



El Kantara, 4. iii. 1909. (W. R., E. H. and C. H. leg.) 



3. Sides unstriped, crown aa in 1, but with a few chestnut spots. 

 Hammam R'hira, 8. v. 1908. (W. Rothschild and E. Hartert leg.) 



4. Like 3, but a little more chestnut on crown. 

 Batna, 14, v. 1909. (W. R., E. H. and C. H. leg.) 



„ 5. Crown with dark brown spots, indications of lateral stripes. 



Hammam Meskoutine, 19. v. 1909. (W. R., E. H. and C. H. leg.) 



6. Crown with much black, indications of lateral stripes. 



Bordj Saada, south of Biskra. 3. iii. 190S. (W. R. and E. H. leg.) 



7. Black on crown feathers much extended, sides unstriped. 

 Hammam Meskoutine, '28. v. 1909. (W. R., E. H. and C. H. leg.) 



8. Black on crown much e.xtended, distinct though narrow lateral shaft-lines. 

 Bou R'mes, near El Oued, 7. iv. 1009. (W. E., E. H. and C. H. leg.) 



9. Hinder part of crown chestnut, sides unstriped. 

 Batna, 14. v. 1909. (W. R., E. H. and C. H. leg.) 



10. Crown mixed with chestnut, sides unstriped. 

 Algiers, G. v. 1908. (W. R. and E. H. leg.) 



11. Crown mixed, sides faintly striped with dusky. 



Hotel Victoria, Biskra, 7. iii. 1908. (W. R. and E. H. leg.) 

 1>. Like 11. 



Hotel Victoria, Biskra, 24. iii. 1908. (W. R. and E. H. leg.) 



13. Like 11, but lateral stripes hardly indicated. 

 Bi.skra, 7. iii. 1908. (W. R. and E. H. leg.) 



14. Like 11, sides unstriped. 



El Oued, 8. iv. 1909. (W. R., E. H. and C. H. leg.) 



15. Crown chestnut with little black and grey, sides not striped. 

 Biskra, 25. iii. 1908. (W. R. and E. H. leg.) 



If). Crown mostly black, lateral stripes barely indicated. 

 Batna, 14. v. 1909. (W. R., E. H. and C. H. leg.) 



17. Crown chestnut with black patch, lateral stripes merely indicated. 

 Hammam Meskoutine, 24. v. 1909. (W. R., E. H. and C. H. leg.) 



18. Crown as in 15, sides of breast with black stripes. 



Hammam Meskoutine, 24. v. 1909. (W. R., E. H. and C. H. leg.) 



19. Crown uniform chestnut, back with much chestnut, sides widely striped with black. 



Plumage worn. 

 Touggourt, 2. iv. 1909. (W. R., E. H. and C. H. leg.) 



20. Crown-feathers chestnut with grey edges, which would leave crown chestnut if worn ofiE, 



sides not distinctly striped. Plumage not worn. 

 Touggourt, 26. iii. 1904. (E. Flilckiger leg.) 



(See pages 479-482) 



