140 April 1749. 



wife perceived that the woods and forefls of 

 thefe parts had been very roughly treated. It 

 is cuftomary here, when they ereft faw- 

 mills, wind-mills, or iron works, to lead 

 the water a good way lower, in cafe the 

 ground near a fall in the river is not con- 

 venient for building upon. 



April the i6th. THIS morning I re- 

 turned to Raccoon. This country has fe- 

 veral kinds of fwallows, viz. fuch as live 

 in barns, in chimneys, and underground; 

 there are likewife martens. 



The Earn Swallows, or Houfe Swallows 

 are thofe with a furcated tail. They are 

 Xttffi&tis's Hirundo rujlica. I found them in 

 all the parts of North America which I 

 travelled over. They correfpond very near- 

 ly to the European Houfe Swallow in re- 

 gard to their colour, however there feems 

 to be a fmall difference in the note. I took 

 no notice this year when they arrived : but 

 the following year, 1750, I obferved them 

 for the firft time on the loth of .April (new 

 ftyle) ; the next day in the morning, I faw 

 great numbers of them fitting on pofts and 

 planks, and they were as wet as if they had 

 been juft come out of the fea*. They 



build 



* It has been a fubjeft of conteil among naturalifts, to 

 Determine the winter-retreat of Swal/ows. Some think, 



they 



