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 Jan., 1915 BIRDS OF THE BOSTON MOUNTAINS, ARKANSAS 55 reached the mountains a week or more ahead of the females; but nidification began as soon as the latter sex arrived, nests nearly completed being found May 5. The gray edging to the feathers of the black throat-patch of the adult male, was distinguishable by July 15. Wilsonia pusilla pusilia. Wilson Warbler. An uncommon transient; oc- curred in the region May 8 to 13, and September 7, 1914; on all occasions found in dense undergrowth. Wilsonia canadensis. Canadian Warbler. One bird taken August 26, 1914, in second-growth woodland, was the only time the species was met with. This individual had suffered some accident that had left a large portion of the crown with the skull exposed; but the general physical condition of the bird did not appear to have been affected. Setophaga ruticilla. Redstart. Plentiful as a transient; less so as a sum- ruer visitant. Appeared by April 18; young fully leathered July 26; remained until September 21. During the nesting period, it was rarely found any dis- tance from water. Mimus polyglottos polyglottos. Mockingbird. Rather numerous resident about the base of the range; but decidedly uncommon in the.higher parts. A single individual seen in dense growth bordering a stream at an altitude of 1900 feet on May 13, 1914. Dumetella carolinensis. Catbird. I observed this species at irregular in- tervals between May 2 and October 3. Never more than four birds were seen in one day, and often weeks passed without any being noted. Was most fre- quently seen about the time cherries were ripening, upon which fruit it fed. Toxostoraa rufum. Brown Thrasher. Singularly enough, I met with the thrasher but once while in the Boston mountains. What appeared to be a stray transient was seen near the top of the range, September 30, 1913. Thryothorus ludovicianus ludovicianus. Carolina Wren. Found in all kinds of situation, throughout the mountains, every month of the year. I think it raised'three broods each year; the first was out by May 19. Adults began to molt heavily soon after the initial brood was launched. Thryomanes bewicki bewicki. Bewick Wren. This wren appeared most- ly during the migrations. It was.decidedly uncommon during the summer months, but was frequent during the early part of October. In spring it ar- rived by March 27. As much of a brush haunting species as the following, but affecting more open situations. Troglodytes aedon parkmani. Western House Wren. Uncommon; noted only as an autumnal transient, occurring between September 17 and December 8. Several were seen during each year I spent in the region. Nannus hiemalis hiemalis. Winter Wren. Another species that was sel- dom observed. The few that were seen were confined to the roughest slopes of ravines. Present between November 7 and April 4. Certhia familiaris americana. Brown Creeper. Appeared to be rather un- common, except during a few days in early spring; however, it was irregularly present from October 2 on, throughout the winter. On April 7, 1914, a great number of Creepers passed through the region; three or four birds were seen on a single tree at once. They are able to walk head downward with almost the ease of a Nuthatch, when occasion requires. Sitta carolinensis carolinensis. White-breasted Nuthatch. A fairly com- mon resident; but its numbers were considerably increased in late autumn and