1895 ] MARYLAND ACADEMY OF SCIENCES. 319 
was taken by the writer on May 13, ’88, at the Potomac River, 
Alexander County, Va.; another by Mr. Ridgway on May 18,’88, 
at Laurel, Maryland, and a third by myself on May 19, ’88, in 
Virginia, opposite Georgetown. Several others were subse- 
quently seen and observed” (Wm. Palmer, Auk, vi, 71), ‘This 
has always been regarded as the rarest of the flycatcher’s; very 
few having been taken up to the present year (’92). On and 
about May 18 for several days they were quite common and a 
number were taken” (E. M. Hasbrouck, Auk, x,’93). “Com- 
mon at times, I saw several on May 23,’91. Wm. Palmer shot 
one on May 10, ’94, and another on August 27, ’89, and I shot 
one on September 17, ’90” (Richmond). 
Empidonax minimus (467). Least Flycatcher. 
Rare migrant, specimens have been taken on April 29 (’93, 
Gra;;), on April 30 and May 7 (’92, Pleasants), on September 11 
and 25 (’93, Gray), and September 28 (’92, Resler). At Wash- 
ington, “common from April 25 to May 25 and from August 
28 to September 25” (Richmond). 
On Dan’s mountain, June 5 to 14, ’95, three or four pairs 
were mating in a grove of heavy timber. 
Family ALvaupIp#—Larks. 
Otocoris alpestris (474). Horned Lark. 
Irregularly abundant in flocks, which are sometimes quite 
large, from November 10 (’94, Gray), to March 19 (’92, Gray) ; 
they are most numerous in tidewater Maryland. At Washington, 
from the first of November to April (A. C., 41). 
Otocoris alpestris praticola (4745). Prairie Horned Lark. 
This sub-species appearing in company with alpestris can 
only be identified by close comparison with a series of specimens. 
One, of several shot at Powhatan, on February 25 (’93, Gray), 
was pronounced of this sub-species by Mr. Ridgway. 
