410 NATURAL HISTORY. 



rare. Perhaps its southern limit. Seen only in severe winter 

 weather. 



96. V'ireo (Vireosylvia) olivacevs, (Linn,,) Yieill. — Red-eyed Vireo 

 Summer resident. Found in all the high, open woods, from April 

 20 to September 25. The most abundant summer resident. 



97. Vireo gilvus, (Vicill.,) Bon. — Warbling Vireo. Summer resi- 

 dent. Common. Arrives April 20, and remains until September 20. 

 Frequents orchards, gardens. &c.; also, sometimes, low, thick swamps, 

 and is especially abundant in the city, breeding in the high sycamore 

 and poplar trees. Very seldom seen in woods with other vireos. 



98. Vireo (Lanivireo) solifarius, (Wils.) Vieill. — Blue-headed 

 Vireo. Spring and autumn visitant. (Some breed?) Arrives in 

 spring April 25; leaves in fall October 20. Rarest of the vireos. 

 Inhabits high, open woods, associating with V. olivaceus and V. fia- 

 vifrons. 



99. Vireo (Lanivireo) Jlavifrons, Vieill. — Yellow-throated Vireo. 

 Summer resident. Abundant. Arrives April 25; remains until Sep- 

 tember 25. High, open woods. [Vireo philadelphicus, Cass., has never 

 been actually detected, but is undoubtedly a very rare inhabitant of 

 the District.] 



100. 31imus polyglottiis, (Linn.,) Boie. — Mocking Bird. Summer 

 resident; but rare. Arrives April 25; departs about the middle of 

 September. 



lOL Miriius carolinensis, (Linn.,) Gray. — Cat Bird. Summer resi- 

 dent. Exceedingly abundant. Found in all briar patches, along fences, 

 and in thickets. Arrives in spring, the 3d week in April. Seems 

 rather careless in concealing its nest, but very solicitous in protect- 

 ing it. Departs about October 15. 



102. Harporltyndius riifus, (Linn.,) Cab. — Thrasher. "French 

 Mocking Bird;" " Sandy Mocking Bird." Summer resident. Abun- 

 dant. Arrives April 20, departs first week in October. 



103. Thriothorus ludovicianus, (Linn. , ) Bon. — Great Carolina Wren. 

 Permanent resident. Not abundant, but most so in the summer; 

 breeds in thick shrubbery, &c., about gardens; at other seasons is 

 very shy and unfamiliar. 



104. Cistothorus {Telmatodytes) imlustris, (Wils.) Bd. — Long Billed 

 Marsh Wren. Summer resident. Arrives 3d week in April, leaves 

 early in October. Very abundant, but only in certain localities; 

 chiefly in the tracts of Zizania aqiiatica, which border the Potomac 

 and Anacostia rivers [Ci'^foiJiorics stellaris, though we have not been 

 able to detect it, is doubtless found sparingly here.] 



105. Troglodytes cedon, Vieill. — House Wren. Summer resident. 

 Very abundant. Arrives April 15, leaves October 20. Breeds in boxes, 

 out-houses, sheds, &c., and in orchards. 



106. Anortliura hyemalis, (Wils.) — Winter Wren. Winter resident; 

 rather uncommon. Arrives 1st week in October; remains until latter 

 part of April. Frequents thick briar patches in dark woods, and the 

 rocks and gullies about ravines and the sides of creeks. 



107. Certhia americana, Bon. — Brown Creeper. Resident all the 

 year. High, open woods. Abundant. 



