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170 THE CONDOR VoL. X Agelaius phceniceus. Red-winged Blackbird. Summer resident, abundant. One of the most abundant summer birds, arriving early in March, nesting in June up to at least 7000 feet and remaining until late in October My earliest date at 6500 feet is February 20. Mr. Sullivan states that he saw flocks of these birds occasionally during the winters of 1903-4 and 1904-5 at Grand Junction. Sturnella neglecta. Western Meadowlark. Summer resident, abundant. One of the earliest arrivals in spring, appearing about March 15 and by the first of April is abundant. Breeds thruout its range up to at least 7500 feet during May, June and July and raises two. broods in the lower altitudes. Essentially a bird of the farming regions and seldom seen in unsettled localities. The great bulk leave the County in October but Mr. Sullivan saw the bird occasionally during the winters of 1903-4 and 1904-5 and says a few remain thruout nearly every winter. Icterus bul10cki. Bullock Oriole. Summer resident, abundant. Altho a late arrival in the spring, being seldom seen before May 10, this oriole is one of the commonest as well as widely distributed breeders within the County. It is par- ticularly abundant among the large cottonwoods along the Grand River. In the Plateau Valley I have found it nesting in scrub-oaks within 15 feet of the ground. Frequents thickly settled portions and nearly every ranch house if surrounded by trees has its pair of orioles. Departs for the south in August. Mr. Sullivan's ex- treme dates of arrival and departure are May 5 and August 8. Euphagus cyan0cephalus. Brewer Blackbird. Summer resident, abundant. Fully as abundant and as widely distributed as the preceding species. Arrives late in March or early in April (my earliest date is March 31) and breeds about the middle of May. Large numbers of nests are destroyed by irrigation and as the birds are very persistent, the breeding season continues well into August. A favorite nesting site is a ditch bank in an alfalfa field, and wild rose thickets are often taken possession of by small ,colonies of from 20 to 50 pairs. When the young are able to fly the birds congregate in vast flocks which frequent the newly cut hay and grain fields feeding almost entirely upon insects. Departs for the south in October. Mr. Sullivan states that a few remain each winter around Grand Junction. Hesperiph0na vespertina montana. Western Evening Grosbeak. Winter resi- dent, not uncommon. Information regarding this species is limited. They have been observed in February and April; and one flock August 3, 1899, at 6500 feet in Plateau Valley; but I ant inclined to think the latter were stragglers from a higher altitude. Probably occurs regularly during the winter but never in any great abundance. Pinic01a enucleat0r montana. Rocky Mountain Pine Grosbeak. Resident, not common. This species is listed as above on the strength of two records. One taken on South Mumm Peak at about 10,000 feet July 3, 1898, and a pair seen April 4, 1902, in Plateau Valley at 6500 feet. They may possibly be of common occurrence in the few points of high altitude in the County. Carp0dacus cassini. Cassin Purple Finch. Resident, not common. This bird is a regular winter visitant up to at least 7000 feet often found in company with the Western Evening Grosbeak. I have not seen it in summer, but as Carter found it breeding commonly at Breckenridge not over 100 miles east, it will undoubtedly be found nesting in the higher portions of Mesa County. Carp0dacus mexicanus fr0ntalis. House Finch. Resident, common in the lower altitudes. Probably one of the most numerous birds in the towns along the Grand River, but of rather uncommon occurrence above 6500 feet, where it is oe-