INTRODUCTION. 79 
her mate shuts her up, closing the aperture of the nest with 
mud and other substances, so that only a small opening is left. 
Through this aperture she and her young progeny are fed by 
the zealous devotion of the male Bird. There are about sixty- 
eight kinds of Hornbills. 
Fig. 81. 

The Violet Plantain-eater (Musophaga violacea). 
There are certain other rather large Birds which may by 
their aspect recall to the spectator’s mind the Curassows or 
other Gallinaceous Birds. These are the Turacous or Plantain- 
eaters, of which the Violet Plantain-eater (Musophaga 
violacea) may serve as an example. This very handsome Bird 
