1892
April
Mass.
Concord.
61. Mniotilta varia. April 28 (23)
62. Falco columbarius.- April 28 19
63  Cotyle riparia.- April 29 heard distinctly & many times in flock of mixed Swallows & Swifts
64. Zonotrichia albicollis.- April 29 (2) (both very high fl.) - 30 (1) (6).
65  Chaetura pelasgica.- April 29 (2)
66. Tringoides macularius.- April 29 (2)
67. Dendroica virens.- April 30 18 ※
68  Empidonax minimus April 30 3 (2 ※).