Progne subis. Lake Umbagog. Maine. 1896. At 3 P.M. I started for Upton sailing across the Lake, Aug. 14. and up river to the mill as usual. I found the flock of Pur- ple Martins by the Lake House landing increased to fifteen birds about one third of whom were old males. They kept a- lighting on and flying from the tall dead pine by the shore acting very like the Swallows at Lakeside. With them were 20 or 30 White-bellies and a few Barn, Eave, and Bank Swallows The Martins occasionally gave the spring warbling notes. Just before sunset the whole flock of Martins and Swallows began circling over the river flying down and striking the water in quick succession. Aug. 17-23. The Purple Martins do not associate with the other Swal- lows here excepting incidentally when they are seeking food in the same places as over the Lake or meadows. I have not seen a single Martin near Lakeside this month, but at the Lake House, up to the 16th, there were always from three or four to a dozen flying about and alighting on the tops of some dead trees. A number of White-bellied Swallows sometimes ac- company them but the Martins evidently resented their ap- proaches and frequently assaulted and drove them away. Since the 16th I have seen but one Martin (on the 20th) near the Lake House, but at Leonard's Pond on the 21st I observed three broods of young apparently just from the nest perched on tall