[ 3i6 ] 
The rock (or ring-ouzel) hath always hitherto 
been confidered as frequenting only the more moun- 
tainous parts of this ifland : Mr. White, however, 
informs me that there is a regular migration of thefe 
birds, which flock in numbers, and regularly vilit the 
neighbourhood of Selborn, in Hampfhire *. 
I therefore have little doubt but that they equally 
appear in others of our Southern counties ; though it 
elcapes common obfervation, as they bear a fort of 
general refemblance to the black-bird, at leaf! to the 
hen of that fpecres. 
I own alfo, that I always conceived the Bohemian 
chatterer was notobferved in Great Britain but at very 
diftant intervals of years, and then perhaps only a 
fingle bird, whereas Dr. Ram fey (profeflbr of natural 
hiflory at Edinburgh) informs Mr. Pennant, that 
flocks of thefe birds appear conftantly every year in 
<the neighbourhood of that city •j-. 
As for crofs-bills, they are feen more and more in 
different parts of England, fince there have been fo 
many plantations of firs : this bird is remarkably 
fond of the feeds of thefe trees, and therefore 
changes its place to thofe parts where it can procure 
the greateffc plenty of fuch food £. 
* See alfo Br. Zool. 111. p. 56 . 
f Thefe birds are faid to be particularly fond of the ber- 
ries of the mountain-afh, which is an uncommon tree in the 
Southern parts of Great Britain, but by no means fo in the 
North. 
X This bird fhould alfo, for the fame reafon, be found from 
year to year in the cyder counties, if it was true (as is com- 
aicmly fuppofed) that he is particularly fond of the kernels of 
This 
