neighbourhood. I employed some people to procure me a specimen, but without success. See Letter XX.
Query.....Might not canary birds be naturalized to this climate, provided their eggs were put in the spring, into the nests of some of their congeners, as goldfinches, greenfinches, etc. ? Before winter perhaps they might be hardened, and able to shift for themselves.
About ten years ago I used to spend some weeks yearly at Sunbury, which is one of those pleasant villages lying on the Thames, near Hampton-court. In the autumn, I could not help being much amused with those myriads of the swallow kind which assemble in those parts. But what struck me most was, that, from the time they began to congregate, forsaking the chimnies and houses, they roosted every night in the osier-beds of the sits of that river. Now this resorting towards that element, at that season of the year, seems to give some countenance to the northern opinion (strange as it is) of their retiring under water. A Swedish naturalist is so much persuaded of that fact, that he talks, in his calendar of Flora, as familiarly of the swallows going under water in the beginning of September, as he would of his poultry going to roost a little before sunset.
An observing gentleman in London writes me word that he saw a house-martin, on the twenty-third of last October, flying in and out of its nest in the Borough. And I myself, on the twenty-ninth of last October (as I was travelling through Oxford), saw four or five swallows hovering round and settling on the roof of the county- hospital.
Now is it likely that these poor little birds (which perhaps had not been hatched but a few weeks) should, at that late season of the
