84 NATURAL HISTORY 
onshire, and can suppose that district, from its 
southerly situation, to be a proper habitation for 
such animals in their best colours. 
Since the ringousels of your vast mountains do 
certainly not forsake them against winter, our sus- 
picions that those which visit this neighbourhood 
about Michaelmas are not English birds, but driven 
from the more northern parts of Europe by the 
frosts, are still more reasonable; and it will be 
worth your pains to endeavour to trace from whence 
they come, and to inquire why they make so very 
short a stay. 
In your account of your error with regard to the 
two species of Herons, you incidentally gave me 
great entertainment in your description of the her- 
onry at Cressi Hall, which is a curiosity I never 
could manage to see. Fourscore nests of such a 
bird on one tree is a rarity which I would ride 
half as many miles to have a sight of. Pray be 
sure to tell me in your next whose seat Cressi Hall 
