arise from the loss of the fleece, which may occasion 

 an alteration in their appearance, as from the defect 

 of that notus odor, discriminating each individual 

 personally ; which also is confounded by the strong 

 scent of the pitch and tar wherewith they are newly 

 marked ; for the brute creation recognize each other 

 more from the smell than the sight ; and in mat- 

 ters of identity and diversity appeal much more to 

 their noses than their eyes. After sheep have been 

 washed there is the same confusion, from the reason 

 given above.] — Observations on Nature. 



As I had hardly ever before travelled these 

 downs at so late a season of the year, I was deter- 

 mined to keep as sharp a look-out as possible so near 

 the southern coast, with respect to the summer short- 

 winged birds of passage. We make great inquiries 

 concerning the withdrawing of the swallow kind, 

 without examining enough into the causes why this 

 tribe is never to be seen in winter ; for, entre nous, 

 the disappearing of the latter is more marvellous 

 than that of the former, and much more unaccount- 

 able. The hiriindines, if they please, are certainly 

 capable of migration ; and yet no doubt are often 

 found in a torpid state : but redstarts, nightingales, 

 whitethroats, blackcaps, which are very ill provided 

 for long flights, have never been once found, as I 

 ever heard of, in a torpid state, and yet can never be 

 supposed in such troops from year to year to dodge 

 and elude the eyes of the curious and inquisitive, 



205 



