BRITISH WARBLERS 



Nest, how constructed, Willow Warbler, xiv, 24. 



mainly constructed by female, Blackcap, iv, 20. 



Marsh Warbler, xxi, 45. 



materials of, Chiff-chaff, xii, 16 ; xxi, 13. 



, Garden Warbler, v, 15. 



, Grasshopper Warbler, xxv, 19. 



, Great Eeed Warbler, xxii, 4. 



, Marsh Warbler, xxi, 45. 



, Eeed Warbler, xx, 44, 45 ; xxi, 45. 



, Savi's Warbler, xxvi, 5. 



, Sedge Warbler, xxiii, 8. 



, Whitethroat, i, 16. 



, Willow Warbler, xiv, 23, 24; xxi, 13. 



, Wood Warbler, xv, 15. 



method of approaching, Marsh Warbler, xxi, 49, 50. 



of attachment to reeds, Marsh W^arbler, xxi, 46, 48; Eeed 



Warbler, xxi, 48. 



of cleaning, Marsh Warbler, xxi, 51, 52. 



Eeed Warbler, xx, 7. 



sanitation, Marsh Warbler, xxi, 53. 



second, built by both sexes, Whitethroat, i, 12. 



similarity of, Blackcap and Garden Warbler, xxi, 13 ; Eeed Warbler 



and Marsh Warbler, xxi, 13. 

 site of, Blackcap, iv, 20. 



, Chiff-chaff, xii, 16; xxi, 23. 



, Garden Warbler, x, 14, 16. 



, Grasshopper Warbler, xxv, 19. 



, Lesser Whitethroat, ii, 7. 



, Marsh Warbler, xxi, 44, 45, 46. 



, Eeed Warbler, xx, 41, 42, 43. 



, Whitethroat, i, 16. 



, Willow Warbler, xiv, 21, 24; xxi, 13. 



situation of, Marsh Warbler, xxi, 48. 



, Sedge Warbler, xxiii, 8. 



structure, Marsh Warbler, xxi, 49; Eeed Warbler, xxi, 47. 



third and fourth, Willow Warbler, xiv, 21, 22. 



time of constructing, after arrival, Marsh Warbler, xxi, 41. 



occupied in construction, Willow Warbler, xiv, 23. 



■ in building, Wood Warbler, xv, 14. 



variation in, Marsh Warbler, xxi, 64. 



Willow Warbler, xiv, 19. 



Wood Warbler, xv, 15; Chiff-chaff, xv, 15; Willow Warbler, xv, 15. 



young bird capable of constructing antecedent to experience, xxi, 44, 



Nesting instinct, Marsh Warbler, xxi, 25, 64. 

 Nestling, description of, Blackcap, iv, 2, 3. 



Marsh Warbler, xxi, 2. 



Eeed Warbler, xx, 2. 



1 1 Whitethroat, i, 2. 



Nestlings, time in nest, Marsh Warbler, xxi, 50, 51. 

 Newton, Professor E., on the spring migration, xx, 17. 



20 



