OF BIRDS. 
189 
The Swallow tribe appears to belong equally to 
both continents. Indeed what country can we 
fuppofe inacceffible to birds who fly fo well, and 
tranfport thcmfelves froin one place to another, 
with fuch wonderful facility. 
With regard to the migration of Swallows, naturalifls arc 
very much divided. 
There are three opinions on this fubjeft. 
The fir ft is, that they remove in the winter to warmer climates, 
in fearch of in Jett food. 
The fccond, that they retire to caverns, and hollows of rocks, 
end pafs the winter there, torpid. 
The third opinion is, that they conceal thanfelves under water, 
in the winter, colleding (as fome fay), in numbers on a reed, 
until it break, and let them gentlyJink• Others relate, tka fe- 
I veral of them take a ft raw between their beaks, and plunge toge¬ 
ther beneath the Jirface; whilft others again affert, that they 
unite their feet together, and immerfe thcmfelves in clufters. 
The advocates for the firft opinion, that they remove to 
warmer climates, quote feveral authorities. 
Peter Martyr Jays, that he knows that Kites and Swallows 
quit Euiope at the approach of winter, and pafs into Egypt. 
Father Kirker afferts, upon the teftimony of the inhabi¬ 
tants of the Morea, that a great number of Swallows and 
Storks pafs every year from Egypt and Lybia, to Europe. 
Mr. Adanfon, an attentive obferver, and highly deferving 
attention, afferts, that Chimney Swallows arrive at Senegal 
about the 9th of OGober, and return in the fpring. That 
on the 6th of OQober, being fifty leagues from the coali, 
between the Ifland of Goree and Senegal, he law four Swal¬ 
lows, 
