76 



CORVID.E. 



Warblers, Larks, Buntings, Finches,* Swallows, &c., the 

 organs of voice in which vary only in size. In birds possess- 

 ing powers of song, or imitation, the tube of the trachea is 

 nearly uniform in shape throughout, the bronchise long in 

 proportion, and both parts perfectly flexible. The fourth 

 group here introduced exhibits, fig. 1 , a front view — fig. 2, a 



* The Canary is a true Finch, possessing, like the best Song Birds, five 

 pair of true muscles of voice, and hence arises its power of imitating other 

 sounds, as evinced in the Canary which has for some time past formed an inter- 

 esting subject of exhibition in London. 



