STUDY XI. 283 



dons, croffes over Europe, halting here and there 

 to take repofe, even in great cities, on the roofs of 

 the houfes of hofpitable Germany. All thefe birds 

 feed their young on the infe<fts and reptiles which 

 the newly expanded plants have foftered into life. 



Then, too, it is that the fifhes iffue in legions, 

 from the northern abyfles of the Ocean, allured to 

 the mouths of rivers by clouds of infects, which 

 are confined entirely to their waters, or expand 

 into life along their banks. They ftem the watery 

 current in fhoals, and advance, fkipping and 

 fpringing, up to the very fources of the ftream ; 

 others, as the north-capers, fuffer themfelves to 

 be fwept into the general current of the Atlantic 

 Ocean, and appear, in form of a fhip's bottom, 

 on the coafts of Brafil, and on thofe of Guinea. 



Quadrupeds themfelves, likewife, then under- 

 take long peregrinations. Some proceed from the 

 South to the North, with the Sun ; others from 

 Eaft to Weft. There are fome which coaft along 

 the rugged chains of mountains ; others, follow 

 the courfes of rivers which have never been navi- 

 gated. Lengthened columns of black cattle paf- 

 ture, in America, along the banks of the Méchaf- 

 fipi, which they caufe to refound with their bel- 

 lowing. Numerous fquadrons of horfes traverfe 

 the rivers and the deferts of Tartary ; and wild 



(heep 



