Tim PEWEE8. 
233 
apparatus {syrinx), or lower larynx, is situated next to the 
lungs at the end of the windpipe, with a muscular appa- 
ratus formed of five or six pairs of muscles, whose action 
varies the tension of the vocal cords and narrows or widens 
the glottides, which are elastic folds of the mucous mem- 
FiG. 274.— The Bed Bird of Paradise. From Liitken^s Zoology^ 
brane. A fold of the tympanal membrane of the syrinx, 
called the menibrana semilunaris, proj=?cts inward. 
Eepresentatives of the Clamatores are the Arcadian fly- 
catcher, the wood pewee, the pewee or phoebe-bird, and the 
kingbird (Fig. 271). The last, sometimes called the bee- 
