192 OBSERVATIONS, &C. 
rieties, becaufe thefe defers will be continued 
to their defcendants, who (as 1 before have 
proved) will only attend to the parental long. 
Some of thefe defcendants alio may have im- 
perfect organs ; which will again multiply va- 
rieties in the fong. 
The truth is, as I before obferved, that fcarce* 
Iv any two birds of the fame fpecies have ex- 
actly the fame notes, if they are actually attend- 
ed to, though there is a general refemblance. 
Thus molt people fee no difference between 
one fheep and another, when a large flock is 
before them. The fhepherd, however, knows 
each of them, and can fwear to them if they 
are loft ; as can the Lincolnflvire golherd to 
each goofe. 
FINIS. 
