Petrochelidon lunifrons Maine (Lake Umbagog). 1871. June 1. The first pair arrived to-day and immediately began to build a nest under the eaves of the barn. In the course of a few days a colony was at work here. 1873. July 31. This species as a rule, as least at this season, flies much higher than other Swallows. 1874. July 27. Shot two young in first plumage. Sept. 5. Saw two at the Outlet. 1880. Two sets, four eggs each, all fresh. Nest under eaves of barn; June 12 about twelve nests in close proximity to each other. The colony began work on them nearly two weeks ago. 4 eggs [844], 4 eggs [845]. Upton - Ryerson's barn.