%a APPENDIX. 



" Mire fagaces fallcret hofpites 



" Difcrimen obfeurum." Horat. 



for, in fuch inftances, the paflages are not only the 

 fame, but the tone. 



Such was the event of the experiment I have 

 before mentioned of the linnet educated under a 

 vengolina. 



In my experiment, however, of teaching the 

 fparrow the notes of the linnet, though the fcholar 

 imitated the paffages of its matter, yet the tone of 

 the fparrow had by no means the mellownefs of the 

 original. 



The imitation might therefore be, in fome 

 meafure, compared to the finging of an opera fong 

 by a black-guard, when, though the notes may be 

 precifely the fame, yet the manner and tone would 

 differ very much. 



Thus alfo the linnet, which I heard repeat the 

 words pretty boy, did not articulate like a parrot, 

 though, at the fame time, the words might be 

 clearly diftinguifhed. 



The education I have therefore been fpeaking 

 of will not give new organs of voice to a bird, 

 and the inftrument itfelf will not vary, though 



tions, and that if fuch and fuch changes did not foon take 



place, the cafe was defperate. He frequently alfo refufed to 



prefcribe, if the bird felt too light in the hand, Or he thought 



that there was not fuificient time to bring about an alteration 



in the dung. 



the 



