NATURAL HISTORY CALENDAR. 161 
Ist to 7th.— The Barn Swallow, Chimney Swift, Br own Thrush, Cat 
Bird, Towhee Buntin ng, or Chewink, Least Flycatcher, beers: Vireo, 
Black and White Creeper, and Whippoorwill become common. The 
Eaves, or Cliff, and Bank Swallows King Bird, dakie and 
wW ponr: 
backed and Nashville Warblers; the House Wren and Marsh Wrens 
(Cistothorus palustris and C. RE and the Summer Yellow Bird, 
or Yellow War bler, begin to a 
7th to 14th. — All the Re i become abundant, while the Bobo- 
link, Baltimore and ae Orioles, Rose-breasted Grosbeak, Scar- 
let Tanager, Night Hawk, Maryland Yellow-throat, Veery, or Wilson’s 
Thrush; Redstart Rus Spotted ea a Black-capped, Black-burnian, 
Bay-breasted, Teaio ue, Chestnut-sided, and Cape May 
Warblers; the Black-billed and PANE billed Cuckoos; the Red-eyed, 
White-eyed, and Yellow-throated Vireos; the Indigo Bird, Swainson’s 
rush; ; the Acadian, Great-crested, Traill’s, and Olive-sided RA 
ers; alo s Bunting, Red-headed Woodpecker, and Humming Bird 
arrive. The Tree na White-throated Sparrows, Hermit Thrush, and 
es Kinglet retire northwards, or to the mountainous dis- 
‘tin to 21st.— Wood Pewee, Yellow-breasted Chat, and Black Poll 
Warbler arriye. The woods and thickets, as well as the orchards and 
arblers, 
tchers. 
21st to 31lst.— To wards us close of the peak the omg eee 
of Warblers and their allies, that pass farther north to bre I 
thither and to the highlands. The Black Poll Warbler and eae 
h are (a few stragglers of other species still remaining) the only 
birds which remain in numbers, that pass north of central New Eng- 
d. 
All the summer visitors and vernal passengers have now arrived. 
Many of the early breeders, as the Blue Bird, Pewee, Robin, Song and 
Field Sparrow. WS, etc., have, at the close of the month, nearly full-fledg- 
ed ‘young; Apg nally the first brood takes wing. Others, as the 
t Bird, Yellow-winged Sparrow, Red- PRETRITE 
Meadow Tak, Brown Thrush, Blue Jay, Chickadee, Swallows, Whip- 
poorwill, etc., have commenced incubation; the Bobolink, Baltimore, 
War S, ad other Vireos, and several Flycatc Warblers, 
have either begun b g, and selecting nest sites. In 
_ 8nd choosing their summer homes, have entered Paaa the important 
: aties attending the reproductive season. —J. A ; 
TERAN AN NAT., VOL. I. 21 
