11 UPTON, MAINE 1871 (We were unable to detect either D.aestiva, D.pinus or D.pal- marum.) 46. My. Canadensis. Found everywhere in the woods though in no locality very common. The females were evidently laying at the time of our departure. 47. Setophaga rutcilla. Common everywhere and a great nuisance as we were continually shooting them for some rarer bird. 48. Pyrange rubra. Heard only one at Upton, a male on the shore of the lake June 4th. Heard another about seven miles South of Upton and North of the mountain range. 49. Hirundo horreorum. Common breeding. 50. Hirundo lunifrons. Common. The first pair arrived June 1 and immediately commenced a nest: in a few days a colony of a dozen or more was at work. 51. H.bicolor. Very common on the lake where they bred in the hollow stubs and deserted Woodpecker holes. 52. Cotyle riparia. Common on the lakes. 53. Progne subix. A few pairs bred in the martin box in front of the hotel. 54. Ampelis cedrorum. Common, especially in the flooded forests where they perched on the topy of the "stubs": saw them build- ing in a low fir June 8th. 55. Vireo olivaceons. Common everywhere in the woods. 56. Vireo solitarius. Not very common in the woods. (Found V.gilvus common at Bethel.) 57. Troglodytes hyemalis. Very common everywhere in the woods. The males sang at all times of the day, but especially in the