APPENDIX. 415 



low-winged Sparrows often arrive, thougli sometimes earlier or 

 later. 



5th, the Baltimore Orioles (?), Blade and White Creepers^ 

 Black-throated Green Warblers,^ Broivn Thrushes, Cat-birds, 

 Chimney Swifts, Towhee Buntings, (Wilson's Thrushes, Yellow 

 Warblers, usually about the 8th), and " Yellotv-rump" Warblers 

 arrive, those italicized (at least the B. T. and T. B.) generally 

 coming earlier. 



10th, the loitering Fox Sparrows, and various winter-birds, 

 such as the Golden-crowned "Wrens," Snow-birds, and Tree 

 Sparrows, finally disappear ; the Blue Birds, Robins, Song Spar- 

 rows, Baj^-winged Buntings or Grass Finches, Kingfishers, 

 and Pewees often lay their eggs, chiefly the first three ; and 

 the Baltimore Orioles, Blackburnian Warblers, "Black-cap" 

 Warblers, Black-throated Blue Warblers, Blue Yellow-backed 

 Warblers, Bobolinks, Chestnut-sided WKrblers, Connecticut 

 "Warblers, Golden-crowned "Thrushes" (or "Oven-birds"), 

 Golden-winged Warblers, House Wrens, Hummingbirds, King- 

 birds, Maryland "Yellow-throats," Nashville Warblers, Red- 

 starts, Rose-breasted Grosbeaks, Warbling Vireos, Water 

 "Thrushes," Wilson's Thrushes (usually earlier), Wood 

 Thrushes, Yellow Warblers, and Yellow-throated Vireos arrive. 

 (See 15th ad Jin.) 



15th, the Pine Warblers and Swamp Sparrows lay their eggs 

 (the former usually later) ; the Bank Swallows, Black and Yel- 

 low Warblers, Black-billed Cuckoos, Cape May Warblers, Great 

 Crested Flycatchers, Indigo Birds, Prairie Warblers, Red-eyed 

 Vireos, Scarlet Tanagers, Swainson's Thrushes, Whippoor- 

 wills. White-eyed Vireos, and Yellow-billed Cuckoos arrive. 

 At this time, or more often earlier. Cooper's Hawks, Marsh 

 Hawks, Sharp-shinned Hawks, and Sparrow Hawks lay their 

 eggs. Swainson's Thrushes often come earlier. 



20th, the Bay-breasted, and B and Y, Warblers, "Black- 

 polls," Canada "Flycatchers," Mourning Warblers, Olive-sided 

 Flycatchers, Orchard Orioles, Tennessee Warblers, Traill's Fly- 

 catchers (and White-crowned Sparrows-?) arrive. About this 

 time (earlier or later), the (Red-winged) Blackbirds, Blue Jays, 

 Pewees, Field and Savannah Sparrows, Downy and Golden- 

 winged Woodpeckers, lay their eggs. 



25th, the Canada " Flycatchers" or Warblers, Wood Pewees, 

 and Yellow-bellied Flycatchers usually arrive. The Wood 

 Thrushes (sometimes, — also the Wilson's Thrushes?), the 



i These birds sometimes appear in April. 



