360 TRANSACTIONS OF THE [1895 
Geothlypis philadelphia (679). Mourning Warbler. 
Rare migrant; near Baltimore single birds have been recorded 
as follows: May 28, ’91, Towson (Pleasants), shot; May 
26, ’77, Back River (Resler), shot; June 3, ’93, Franklin 
Road (Gray), seen; August 24, 87, Patapsco Marsh (Resler), 
shot; August 30, 98, Back River (Resler), shot; September 
1, 90, Franklin Road (Blogg), seen ; September 13, ’79, Bay 
View (Resler), shot ; September 18, 93, Franklin Road (Gray), 
seen ; September 26, ’94, Back River (Resler), shot; Septem- 
ber 30, ’98, Dulaney’s Valley (Wholey), shot ; October 5, ’87, 
Patapsco Marsh (Resler), shot. 
On August 17, 94, an immature female was taken at 
Laurel, by Mr. Geo. Marshall. At Washington “very rare 
from the middle to the end of May and from August to 
October 1, 794, when Wm. Palmer got an immature female” 
(Richmond). 
Geothlypis trichas (681). Maryland Yellow-throat. 
Our most abundant, summer warbler; first noted on April 20 
(791, Resler), it soon becomes common and remains so until 
October 6 (’95), the last being recorded on October 19 (92, 
Resler). The nests of this species, as of all ground buildings 
birds, are difficult to find, so I have but few items; extremes 
are May 24 (’92,Wholey), a nest ready for eggs, and August 13 
(93), when young leave a nest. Sets are 1 of 3, and 2 of 4. 
At Washington “abundant from April 15 (91, R. Ridgway) 
to October 21 795, Palmer and Matthews)’? (Richmond). Not 
very common on Dan’s Mountain, June 5-14, ’95. 
Icteria virens (683). Yellow-breasted Chat. 
Common summer resident, from April 80 (92, Gray); they 
Jeave early and but few are seen after August 6 (93), though 
single birds have been noted until August 30 (93, Gray). At 
Washington “from April 29 (’74, Palmer, Hasbrouck and 
Preble ; 88,Hasbrouck) to September ”’ (Richmond). It is given 
to September 20 in Pennsylvania (Birds Pa., 299). Eggs 
