ORGAN OF VOICE. 



249 



and power. The animal is provided with a natural 

 French horn, on which it can perform the most extraor- 

 dinary music, and with a pocket speaking-trumpet, which 

 will make itself heard at no little distance. 



Thus a recent traveller writes "The Paraquay Guan, 

 PhasianusParraqua, was common, but not domesticated. 

 It resembled the Mutuns in its habits, but in form had 

 a larger neck and tail in proportion. A specimen which 

 we shot exhibited a very curious formation of the wind- 

 pipe, that organ passing beneath the skin, upon the 

 outside of the body, to the extremity of the breast-bone, 

 where it was attached by a ligament. Then, recurving, 



Organs of voice of 



1. Penelope Guan. 2. Penelope Marail. 3. Penelope Parrakoua. 

 From Temminck, reduced. 



