APPENDIX. ; 415 
low-winged Sparrows often arrive, though sometimes earlier or 
later. 
5th, the Baltimore Orioles (?), Black and White Creepers, 
Black-throated Green Warblers,2 Brown Thrushes, Cat-birds, 
Chimney Swifts, Towhee Buntings, (Wilson’s Thrushes, Yellow 
Warblers, usually about the 8th), and ‘ Yellow-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, Bay-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 Warblers, 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 
egos. 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 
2 These birds sometimes appear in April. 
