PLUMAGE OF BIRDS. 105 



What is said of the bird of paradise 1 



What is said of the humming-bird I 



Which is the most beautiful of the pigeon kind ? 



What birds are without pinions, or wing-feathers ? 



Can these fly * 



What are quills made of ? 



What birds are mentioned which are unable to fly 1 



Can birds imitate the voice or song of each other? 



W T hat bird does this particularly ? 



What birds are easily taught to pipe, and repeat words 1 



Mention a wonderful example of this. 



What are our chief song-birds ? 



Great-crowned Pigeon. 



