AMERICAN WARBLERS. 27 The Yellow Red—poll (Dmdraeaz palmarum) and the Pine—creeping Warbler (Dmdrwca pz'flus) are early arrivals also. They are rare birds here, however. We see the yellow-plumed Pine-creeper very rarely in early spring, as it goes north to nest. We have only observed the Yellow Red- poll in the autumn on the barrens of Prince County. With the first days of June the Warblers arrive in force. The bursting leaf then spreads its tender greenness, and summer’s sunny‘ glory rests on the wood-land which for two or three short months is to be their glad home. The Black-and-White Creeper (Mm'otilta zraria) runs over the trunks of trees, searching its food like a true “Creeper,” uttering the most tenderly whis- pered little ditty of a song. Its color is described by its name, being streaked black and white. It nests with us, and, strangely enough for a persist- ent tree-climber, places its nest on the ground. The Blue Yellow-back sometimes is here early in May. The Bay-breasted and Black-poll Warblers are not common, a few being seen pass- ing north to nest. The Yellow, or Summer Warbler (Dena’rwca