CONTENTS xiii 



PAGES 



In other species Wing modification in the 

 Manakins Sounds made by air sacs or pouches 

 The love displays of birds Aerial displays of 

 Humming-Birds Of Tyrant Birds Love displays 

 of the Birds of Paradise Of Bustards The love- 

 posturing of the Argus Pheasant The Bower 

 Birds Their curious "bowers" The dances of 

 certain Rails Of the South American Jacana 

 Of the Spur- winged Plover Of certain Ducks 

 Parades of plumage The meaning and purpose 

 of this display Sexual selection The vitality, 

 excitability, and pugnacity of birds . . 212-242 



CHAPTER VII 



THEIR REPRODUCTION (NESTS) 



The unique character of birds' nests The architecture 

 of Ratitae Birds The nests of the Kingfishers 

 The Hornbills The Swifts Edible nests The 

 nests of the Humming-Birds Nests of the 

 Passeriformes Great variety in the nests of the 

 Passeres Variation of nest-type in the same 

 species Uniformity in the nests of species The 

 architecture of the Wrens Of the Swallows Of 

 the Finches Of the Starlings, Shrikes, Wax- 

 wings, Orioles, and Goldcrests Nests of the 

 Tropical Oscines In the Timeliidae The Tailor 

 Bird Nests of the Bulbuls, Cuckoo Shrikes, 

 Drongos and Greenlets Of the Birds of Paradise 

 Of the Sun-Birds Of the Flower-peckers and 

 Sugar Birds Of the Wood Warblers and 

 Tanagers Of the Weaver Birds Of the Ox 

 Birds and Hang-nests Of the Broadbills Of 

 the Pittas Of the Tyrant Birds Of the Cotingas 

 and Plant-cutters The nest of the Oven Birds 

 The architecture in the Wood Hewer family Of 



