246 FRIENDS WORTH KNOWING. 
non fa primavera ;” the Swedes, “Lin svala gor ingen som- 
mar ;” which all mean, One swallow doth not make a sum- 
mer. The story is well known of a thin brass plate having 
been fixed on a swallow with this inscription: “ Prithee, 
swallow, whither goest thou in winter?” The bird return- 
ed next spring with the answer subjoined, “To Anthony, 
of Athens. Why dost thou inquire?” 
Out of this controversy evidence of their sudden antum- 
nal adjournment to Africa accumulated in England. Wil-. 
son, in this country, showed that their advance could be 
traced in the spring from New Orleans to Lake Superior 
and back again, and their regular migration soon came to 
be acknowledged. Then attention was turned to the sea- 
son, manner, and limits of their migrations, and it was found 
that, taking advantage of favorable winds, immense flocks 
of swallows—and many other birds of passage as well— 
flying very high, passed each fall from the coast of Eng- 
land to the coast of Africa, and from Continental Europe 
across the Mediterranean direct, whence they spread south- 
ward almost to the Cape of Good Hope. No sooner had 
the spring fairly opened than*they were suddenly back 
again, very much exhausted at first with their long-sus- 
tained effort, but speedily recuperated and “diligent in 
business.” Our own migrants, as I have mentioned, winter 
