Potrochelidon l.mifrons 
Main® (Lake Uirbagog). 
smmi , 
-Juno 1 , 
-•.ho i irst pair arrivod to-day and immediately began 
to build a nest under tho oavos of the barn. In th® 
course of a few days a colony was at work hare. 
1873. 
July 31. 
This E j)*ios ns a ruin, aE i wt at this aaasoD 
flies rv eh higher than other Swallovs. 
1874, 
July 27, 
Shot two young in first plumage. 
Sopt, f>„. 
Saw two at the Outlet, 
1880, 
Two sets. 
r*— 
four eggs each, all fresh. Most under eaves of barn- 
about twelve nests in close proximity to each other/ 
< 4 , 7 / °$jbsn* 
