Dr. Newberry found this Blackbird common both in California and in Oregon. He saw large flocks of them at Fort Vancouver, in the last of October. They were flying from field to field, and gathered into the large spruces about the fort, in the manner of other Blackbirds when on the point of migrating. Mr. Allen found this Blackbird, though less an inhabitant of the marshes than the Yellow-headed, associating with them in destroying the farmers’ ripening corn, and only less destructive because less numerous. It appears to be an abundant species in all the settled portions of the western region, extending to the eastward as far as Wisconsin, and even to Southeastern Illinois, one specimen having been obtained in Wisconsin by Mr. Kumlien, and others in Wabash Co., Ill., by Mr. Ridgway. In the summer, according to Mr. Ridgway, it retires to the cedar and piñon mountains to breed, at that time seldom visiting the river valley. In the winter it resorts in large flocks to the vicinity of corrals and barn-yards, where it becomes very tame and familiar. On the 3d of June he met with the breeding-ground of a colony of these birds, in a grove of cedars on the side of a cañon, in the mountains, near Pyramid Lake. Nearly every tree contained a nest, and several had two or three. Each nest was saddled on a horizontal branch, generally in a thick tuft of foliage, and well concealed. The majority of these nests contained young, and when these were disturbed the parents flew about the heads of the intruders, uttering a soft _chuck_. The maximum number of eggs or young was six, the usual number four or five. In notes and manners it seemed to be an exact counterpart of the _C. ferrugineus_. Dr. Suckley found these birds quite abundant at Fort Dalles, but west of the Cascade Mountains they were quite rare. At Fort Dalles it is a winter resident, where, in the cold weather, it may frequently be found in flocks in the vicinity of barn-yards and stables. Dr. Cooper also obtained specimens of this Grakle at Vancouver, and regards it as a constant resident on the Columbia River. He saw none at Puget Sound. In their notes and habits he was not able to trace any difference from the Rusty Blackbird of the Atlantic States. In winter they kept about the stables in flocks of fifties or more, and on warm days flew about among the tree-tops, in company with the Redwings, singing a harsh but pleasant chorus for hours.