BIEDS OF EASTERN MASSACHUSETTS. 
117 
than those of the Marsh Wren. They had some difficulty 
in starting them from the long and somewhat close grass 
to which this species seems to confine itself. Several 
times Mr. Bell nearly trod on them before the birds would 
take to wing; and they almost invariably alighted again 
within a few feet and ran like mice through the grass. 
. . . . After a while, two were shot on the wing 
I have named this species in honor of my young friend, 
Spencer F. Baird, of Carlisle, Pennsylvania.’’ 
I think it more probable that the birds which occur at 
Ipswich are winter visitors from the north, than that they 
are stragglers from so great a distance as Nebraska. As 
might be expected, I heard no song-note at this season, but 
simply a short chirp of alarm. 
76. Passercnlns savanna, Bon. — Savannah Spar- 
row. Common summer resident ; breeds abundantly along 
the coast, and sometimes in the interior. Have taken it 
from April 17th to November 12th. Frequents the fields 
and marshes. 
77. PocBcetes gramineus, Baird. — Bay-winged Spar- 
rovj, Grass Finch.” Abundant ; breeds in the fields every- 
where. Arrives from April 5th to 20th ; leaves about the 
1st of November. 
78. Cotumiculus passerinus, Bon. — Yellow-winged 
Sparrow. Not an uncommon summer resident ; breeds 
regularly. Arrives the first or second week in May ; leaves 
early in September. Frequents dry sandy places, or pas- 
tures grown up to weeds. Very numerous on Nantucket 
Island, where it breeds abundantly. 
79. Cotumiculus Henslowii, Bon. — Henslow's 
Sparrow. Very rare summer resident. Took two males 
in a wet meadow on May 10, 1867. Song-note like the 
syllables see'-wick,” with the first prolongedly and the 
second quickly given. Said to breed. Mr. J. A. Allen in- 
forms me that the specimens that he has taken have been 
