24 UPTON, MAINE 1872 June 2 - 14 the season, we saw only one pair building (June 9). They were very quarrelsome, drove all other birds out of their retreats, kept low down in the bushed frequently flitting from twig to twig not more than six inches above the ground, and launched out after insects much less often than the other flycatchers. They were extremely shy and when pursued would start quietly and flitting off near the ground as if to light again within a few yards would fly the whole length of the thicket: this trick we noticed repeatedly and it was only by using the greatest care and caution that specimens were procured: they also had a habit of invariably lighting with their backs toward the pursuer: nine out of ten were shot in behind. Their notes were numerous and kept up incessantly. The song of the ♂ was a high loud, harsh quee-chee varying to quee-wechee and sometimes que-queah: this was as frequently uttered from the depths of the thicket as from the tops of the alder bushes and although they sometimes perched in the high trees overhead, or on some . exposed overhanging limb they rarely sang in such situations: the ordinary note used by both sexes was a petulant pip sometimes repeated several times in quick succession: they also had an angry querulous trill especially when fighting: all these cries were instantly suppressed on their being approached, although the report of a gun did not seem to alarm them much. Their nests were large bulky affairs composed of Spanish moss coarse weed stalks and grass with a lining of fine roots and were placed about breast high in the crotch of an alder or pop-