Clangula clangula americana. Lake Umbagog, Maine. 1897. The water in Bottle Brook Pond (where we went this morn- June 2. ing) is now about six feet above its usual autumn level and the shores in many places are submerged. We paddled about at will among the fine old maples at the western end of the pond next the bank of the river. It would be difficult to find a more favorable place for arboreal nesting Ducks than this an- cient forest for many of the trees are dead or dying and they furnish holes and crevices of all sorts of shapes and sizes. Some of the largest trees are three or four feet in diameter at the base and eighty or ninety feet tall. Watrous soon found two Whistlers' nests, both in natural cavities in maples about eight feet above the water. One was evidently a last year's nest the down being matted and disar- ranged. There were no eggs or egg shells. The other nest contained seven eggs. They were badly stained and coated over with small fragments of rotten wood which had dried firm- ly on the shells. There was no down under or around them and the spiders had spun a close netting of web just above them. No bird was seen near the tree. These facts satisfied us that the nest was deserted and although I did not care for so poor and disfigured a set we thought it a pity to leave them. We were greatly surprised, on blowing them next day, to find that six of them were perfectly fresh. The seventh was slight-